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Acadia Pharmaceuticals Inc. – ‘10-K’ for 12/31/23 – ‘EX-101.SCH’

On:  Tuesday, 2/27/24, at 6:01pm ET   ·   As of:  2/28/24   ·   For:  12/31/23   ·   Accession #:  950170-24-21473   ·   File #:  0-50768

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/28/24  Acadia Pharmaceuticals Inc.       10-K       12/31/23   88:14M                                    Donnelley … Solutions/FA

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   2.81M 
 3: EX-10.13    Material Contract                                   HTML     40K 
 4: EX-10.17    Material Contract                                   HTML    610K 
 5: EX-10.18    Material Contract                                   HTML     32K 
 6: EX-10.19    Material Contract                                   HTML     31K 
 7: EX-10.20    Material Contract                                   HTML     44K 
 8: EX-10.35    Material Contract                                   HTML    355K 
 9: EX-10.36    Material Contract                                   HTML    289K 
10: EX-10.37    Material Contract                                   HTML     63K 
11: EX-10.38    Material Contract                                   HTML    366K 
 2: EX-10.5     Material Contract                                   HTML     97K 
12: EX-21.1     Subsidiaries List                                   HTML     26K 
13: EX-23.1     Consent of Expert or Counsel                        HTML     28K 
18: EX-97.1     Clawback Policy re: Recovery of Erroneously         HTML     39K 
                Awarded Compensation                                             
14: EX-31.1     Certification -- §302 - SOA'02                      HTML     30K 
15: EX-31.2     Certification -- §302 - SOA'02                      HTML     30K 
16: EX-32.1     Certification -- §906 - SOA'02                      HTML     27K 
17: EX-32.2     Certification -- §906 - SOA'02                      HTML     27K 
20: R1          Document and Entity Information                     HTML     99K 
21: R2          Consolidated Balance Sheets                         HTML    126K 
22: R3          Consolidated Balance Sheets (Parenthetical)         HTML     45K 
23: R4          Consolidated Statements of Operations               HTML     94K 
24: R5          Consolidated Statements of Comprehensive Loss       HTML     48K 
25: R6          Consolidated Statements of Cash Flows               HTML    120K 
26: R7          Consolidated Statements of Stockholders' Equity     HTML     77K 
27: R8          Pay vs Performance Disclosure                       HTML     38K 
28: R9          Insider Trading Arrangements                        HTML     46K 
29: R10         Organization and Business                           HTML     29K 
30: R11         Summary of Significant Accounting Policies          HTML    185K 
31: R12         Investments                                         HTML    151K 
32: R13         Fair Value Measurements                             HTML    132K 
33: R14         Balance Sheet Details                               HTML     91K 
34: R15         Stockholders' Equity                                HTML    124K 
35: R16         401(k) Plan                                         HTML     33K 
36: R17         Income Taxes                                        HTML    199K 
37: R18         Commitments and Contingencies                       HTML     64K 
38: R19         Leases                                              HTML     92K 
39: R20         Selected Quarterly Financial Data (Unaudited)       HTML     89K 
40: R21         SCHEDULE II - Valuation and Qualifying Accounts     HTML     54K 
41: R22         Summary of Significant Accounting Policies          HTML    239K 
                (Policies)                                                       
42: R23         Summary of Significant Accounting Policies          HTML    131K 
                (Tables)                                                         
43: R24         Investments (Tables)                                HTML    148K 
44: R25         Fair Value Measurements (Tables)                    HTML    130K 
45: R26         Balance Sheet Details (Tables)                      HTML     93K 
46: R27         Stockholders' Equity (Tables)                       HTML     81K 
47: R28         Income Taxes (Tables)                               HTML    193K 
48: R29         Leases (Tables)                                     HTML     84K 
49: R30         Selected Quarterly Financial Data (Unaudited)       HTML     88K 
                (Tables)                                                         
50: R31         Summary of Significant Accounting Policies -        HTML     35K 
                Schedule of Reconciliation of Cash, Cash                         
                Equivalents and Restricted Cash (Detail)                         
51: R32         Summary of Significant Accounting Policies -        HTML     76K 
                Additional Information (Detail)                                  
52: R33         Summary of Significant Accounting Policies -        HTML     36K 
                Schedule of Estimated Useful Lives by Major Asset                
                Category (Detail)                                                
53: R34         Summary of Significant Accounting Policies -        HTML     37K 
                Schedule of Revenues consist of product sales to                 
                customers (Details)                                              
54: R35         Summary of Significant Accounting Policies -        HTML     36K 
                Weighted-Average Assumptions Used to Estimate Fair               
                Value of Employee Stock Options (Detail)                         
55: R36         Summary of Significant Accounting Policies -        HTML     44K 
                Weighted-Average Assumptions Used to Estimate Fair               
                Value of Employee Stock Purchase Plan Rights                     
                (Detail)                                                         
56: R37         Summary of Significant Accounting Policies -        HTML     35K 
                Summary of Stock-based Compensation Expense                      
                Included in Statements of Operations (Detail)                    
57: R38         Investments - Carrying Value and Amortized Cost of  HTML     58K 
                Company's Investments Summarized by Major Security               
                Type (Detail)                                                    
58: R39         Investments - Additional Information (Detail)       HTML     35K 
59: R40         Investments - Summary of Gross Unrealized Losses    HTML     53K 
                and Fair Value of Available-For-Sale Investment                  
                Securities in Unrealized Loss Position (Detail)                  
60: R41         Fair Value Measurements - Fair Value Measurements   HTML     62K 
                of Cash Equivalents, Available-For-Sale Investment               
                Securities and Equity Securities (Detail)                        
61: R42         Fair value measurement - Changes in estimated fair  HTML     34K 
                value of contingent cash award (Details)                         
62: R43         Balance Sheet Details - Schedule of Inventory       HTML     38K 
                (Detail)                                                         
63: R44         Balance Sheet Details - Property and Equipment,     HTML     40K 
                Net (Detail)                                                     
64: R45         Balance Sheet Details - Additional Information      HTML     29K 
                (Detail)                                                         
65: R46         Balance Sheet Details - Schedule of Accrued         HTML     42K 
                Liabilities (Detail)                                             
66: R47         Stockholders' Equity - Additional Information       HTML    141K 
                (Detail)                                                         
67: R48         Summary of Company's Stock Option Activity          HTML     68K 
                (Detail)                                                         
68: R49         Summary of Company's RSU Activity (Detail)          HTML     51K 
69: R50         401 (k) Plan - Additional Information (Detail)      HTML     33K 
70: R51         Income Taxes - Summary of Domestic and Foreign      HTML     34K 
                Pre-tax Loss (Detail)                                            
71: R52         Income Taxes - Schedule of Income Tax Provision     HTML     40K 
                (Details)                                                        
72: R53         Income Taxes - Additional Information (Detail)      HTML     62K 
73: R54         Income Taxes - Components of Deferred Tax Assets    HTML     61K 
                (Detail)                                                         
74: R55         Income Taxes - Reconciliation of Income Taxes to    HTML     60K 
                Amount Computed by Applying Statutory Federal                    
                Income Tax Rate to Pretax Loss (Detail)                          
75: R56         Income Taxes - Unrecognized Tax Benefits (Detail)   HTML     34K 
76: R57         Commitments and Contingencies - Additional          HTML     95K 
                Information (Detail)                                             
77: R58         Leases - Additional Information (Detail)            HTML     88K 
78: R59         Leases - Summary of Operating Lease Costs (Detail)  HTML     31K 
79: R60         Leases - Supplemental Cash Flow Information         HTML     29K 
                Related to the Company's Leases (Detail)                         
80: R61         Leases - Summary of Balance Sheet Classification    HTML     33K 
                of Lease Liabilities (Detail)                                    
81: R62         Leases - Summary of Maturities of Lease             HTML     46K 
                Liabilities (Detail)                                             
82: R63         Selected Quarterly Financial Data (Unaudited) -     HTML     72K 
                Selected Quarterly Financial Data (Detail)                       
83: R64         SCHEDULE II - Valuation and Qualifying Accounts     HTML     37K 
                (Detail)                                                         
85: XML         IDEA XML File -- Filing Summary                      XML    147K 
88: XML         XBRL Instance -- acad-20231231_htm                   XML   2.93M 
84: EXCEL       IDEA Workbook of Financial Report Info              XLSX    167K 
19: EX-101.SCH  XBRL Taxonomy Extension Schema With Embedded         XSD   3.61M 
                Linkbases Document -- acad-20231231                              
86: JSON        XBRL Instance as JSON Data -- MetaLinks              566±   903K 
87: ZIP         XBRL Zipped Folder -- 0000950170-24-021473-xbrl      Zip    988K 


‘EX-101.SCH’   —   XBRL Taxonomy Extension Schema With Embedded Linkbases Document — acad-20231231


This Exhibit is an XBRL File.


                                                                                                                                                                                
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<link:definition> 995775 - Disclosure - Investments - Summary of Gross Unrealized Losses and Fair Value of Available-For-Sale Investment Securities in Unrealized Loss Position (Detail) </link:definition>
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<link:definition> 995785 - Disclosure - Investments - Summary of Gross Unrealized Losses and Fair Value of Available-For-Sale Investment Securities in Unrealized Loss Position (Parenthetical) (Detail) </link:definition>
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<link:definition> 995795 - Disclosure - Fair Value Measurements - Fair Value Measurements of Cash Equivalents, Available-For-Sale Investment Securities and Equity Securities (Detail) </link:definition>
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<link:definition> 995805 - Disclosure - Fair value measurement - Changes in estimated fair value of contingent cash award (Details) </link:definition>
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<link:definition> 995855 - Disclosure - Stockholders' Equity - Additional Information (Detail) </link:definition>
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<link:definition> 995885 - Disclosure - 401 (k) Plan - Additional Information (Detail) </link:definition>
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<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates"/>
<link:loc xlink:type="locator" xlink:href="acad-20231231.xsd#acad_CharitableContributionCarryforwardExpiringTwoThousandAndTwentyTwoMember" xlink:label="acad_CharitableContributionCarryforwardExpiringTwoThousandAndTwentyTwoMember"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock"/>
<link:loc xlink:type="locator" xlink:href="acad-20231231.xsd#acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingWeightedAverageExercisePrice" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingWeightedAverageExercisePrice"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsNetAbstract" xlink:label="us-gaap_DeferredTaxAssetsNetAbstract"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="srt_ValuationAndQualifyingAccountsDisclosureLineItems"/>
<link:loc xlink:type="locator" xlink:href="acad-20231231.xsd#acad_TaxCreditCarryforwardAmountExpiringInSpecifiedPeriod" xlink:label="acad_TaxCreditCarryforwardAmountExpiringInSpecifiedPeriod"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="us-gaap_DisaggregationOfRevenueLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="us-gaap_LeaseholdImprovementsMember"/>
<link:loc xlink:type="locator" xlink:href="acad-20231231.xsd#acad_SanDiegoMember" xlink:label="acad_SanDiegoMember"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:loc xlink:type="locator" xlink:href="acad-20231231.xsd#acad_LesseeOperatingLeaseLiabilityTableTextBlock" xlink:label="acad_LesseeOperatingLeaseLiabilityTableTextBlock"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherCommitmentsAxis" xlink:label="us-gaap_OtherCommitmentsAxis"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
<link:loc xlink:type="locator" xlink:href="acad-20231231.xsd#acad_IncomeTaxExpenseBrandedPharmaceuticalDrugFee" xlink:label="acad_IncomeTaxExpenseBrandedPharmaceuticalDrugFee"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TaxCreditCarryforwardNameDomain" xlink:label="us-gaap_TaxCreditCarryforwardNameDomain"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_NorthAmericaMember" xlink:label="srt_NorthAmericaMember"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards"/>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SubscriptionOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares subscribed </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SubscriptionOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subscription Of Shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SubscriptionOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Subscription of shares. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Auditor Firm ID </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2024 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid, Year One </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Collaborative Arrangement and Arrangement Other than Collaborative </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangement and Arrangement Other than Collaborative [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Transition Report </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Transition Report </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expected volatility </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average remaining contractual term, Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Capitalized R&D </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, in Process Research and Development </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Money market fund </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Money Market Funds [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ComputerAndSoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Computers and Software </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ComputerAndSoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Computer And Software [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ComputerAndSoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Computer and Software. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NumberOfRenewalOptionTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of renewal option terms </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NumberOfRenewalOptionTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number Of Renewal Option Terms </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NumberOfRenewalOptionTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Number of renewal option terms. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Liabilities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating lease liabilities. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OptionIndexedToIssuersEquityEquityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Option Indexed to Issuer's Equity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OptionIndexedToIssuersEquityEquityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Option Indexed to Issuer's Equity [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Geographical </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Geographical [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NeurenPharmaceuticalsLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Neuren </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NeurenPharmaceuticalsLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Neuren Pharmaceuticals Limited [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NeurenPharmaceuticalsLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Neuren Pharmaceuticals Limited. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquityIncentivePlanTwentyTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Incentive Plan 2010 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquityIncentivePlanTwentyTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Incentive Plan Twenty Ten [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquityIncentivePlanTwentyTenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Equity Incentive Plan 2010 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ProceedsFromSalesOfStrategicInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sales of strategic investment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ProceedsFromSalesOfStrategicInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from sales of strategic investment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ProceedsFromSalesOfStrategicInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Proceeds from sales of strategic investment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Changes in Estimated Fair Value of Contingent Cash Awards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Options vesting period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Selected Quarterly Financial Data (Unaudited) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Quarterly Financial Information [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Liabilities, Noncurrent, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other long-term liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Liabilities, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Prepaid Expense and Other Assets, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Prepaid expenses and other current assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Prepaid Expense and Other Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted Stock Units </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Stock Units (RSUs) [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Assets [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Quoted Prices in Active Markets for Identical Assets (Level 1) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Inputs, Level 1 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LimitationOnUtilizationOfNOLsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Limitation on the utilization of NOLs, percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LimitationOnUtilizationOfNOLsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Limitation On Utilization Of N O Ls Percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LimitationOnUtilizationOfNOLsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Limitation on the utilization of NOLs, percentage. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Public Float </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Public Float </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2027 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid, Year Four </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndThirtyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Loss Carryforwards Expiring 2031 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndThirtyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Loss Carryforwards Expiring Two Thousand And Thirty One [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndThirtyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating Loss Carryforwards Expiring Two Thousand And Thirty One [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Loss Carryforwards Expiring 2022 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Loss Carryforwards Expiring Two Thousand And Twenty Two [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating Loss Carryforwards Expiring Two Thousand And Twenty Two [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NuplazidMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> NUPLAZID </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NuplazidMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> NUPLAZID [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NuplazidMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> NUPLAZID </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Measurements </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Disclosures [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expiring in 2025 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Loss Carryforwards Expiring Two Thousand And Twenty Five [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating loss carryforwards expiring two thousand and twenty five. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment, estimated useful lives </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Useful Life </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Product sales, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Revenue from Contract with Customer, Excluding Assessed Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total revenues </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue from Contract with Customer, Excluding Assessed Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrecognized compensation costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PaymentsForExclusiveRight_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Payments for exclusive right </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PaymentsForExclusiveRight_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments For Exclusive Right </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PaymentsForExclusiveRight_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Payments for exclusive right. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Increase in valuation allowance of deferred tax assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration Risk Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk Type [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ICFR Auditor Attestation Flag </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> ICFR Auditor Attestation Flag </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxReconciliationDeferredRateAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred rate adjustment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxReconciliationDeferredRateAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation Deferred Rate Adjustment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxReconciliationDeferredRateAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax reconciliation deferred rate adjustment. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Less Than 12 Months, Estimated Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock-Based Compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Compensation Related Costs, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Subsequent Event </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Events [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_TwoThousandAndTwentyThreeInducementPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Inducement Plan 2023 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_TwoThousandAndTwentyThreeInducementPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Two Thousand And Twenty Three Inducement Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_TwoThousandAndTwentyThreeInducementPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Two Thousand And Twenty Three Inducement Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Liability, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Stock By Class [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Stock by Class [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Investments, Fair Value Disclosure, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investments, fair value disclosure </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investments, Fair Value Disclosure </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsAssetsAcquisitionAndUpfrontPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Assets acquisition and upfront payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsAssetsAcquisitionAndUpfrontPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangements Assets Acquisition And Upfront Payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsAssetsAcquisitionAndUpfrontPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Collaborative arrangements assets acquisition and upfront payment. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Class of Stock [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Class of Stock [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Balance Sheet Location </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Balance Sheet Location [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total current assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total liabilities and stockholders’ equity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities and Equity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, State or Province </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, State or Province </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock in public offering, net of issuance costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Value, New Issues </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Options Outstanding, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Options Outstanding, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedSalesAllowancesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued sales allowances </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedSalesAllowancesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Sales Allowances Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedSalesAllowancesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accrued sales allowances current. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average per share fair value of options granted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Comprehensive loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Comprehensive Income (Loss), Net of Tax, Attributable to Parent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Trading Symbol </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Trading Symbol </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Tax Assets, Net of Valuation Allowance, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Net of Valuation Allowance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred tax assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Common Stock, Shares, Issued, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, shares issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Shares, Issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Available-for-sale Securities [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair value of awards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating Loss Carryforwards Expiring Two Thousand And Twenty Three [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Loss Carryforwards Expiring Two Thousand And Twenty Three [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Loss Carryforwards Expiring 2023 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityExpenseForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Fair value measurement with unobservable inputs reconciliations recurring basis liability expense forfeited. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityExpenseForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement with Unobservable Inputs Reconciliations Recurring Basis Liability Expense Forfeited </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityExpenseForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expense forfeited </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxLiabilitiesRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Right-of-use assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxLiabilitiesRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities Right Of Use Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxLiabilitiesRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax liabilities right of use assets. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Employee Stock Purchase Plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Employee Stock Purchase Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EmployeeStockPurchasePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Employee Stock Purchase Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersDescriptionAndTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> license and collaboration agreement </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersDescriptionAndTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Research and Development Arrangement, Contract to Perform for Others, Description and Terms </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash, cash equivalents and restricted cash </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LicenseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> License Agreements </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LicenseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> License Agreements [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LicenseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> License agreements. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Foreign Tax Authority [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Beginning balance (in shares) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Ending balance (in shares) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Shares, Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2026 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid, Year Three </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Advertising costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Advertising Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PaymentOfRoyaltyPercentageOnNetProductSales_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of royalty payments obligation on net product sales </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PaymentOfRoyaltyPercentageOnNetProductSales_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payment Of Royalty Percentage On Net Product Sales </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PaymentOfRoyaltyPercentageOnNetProductSales_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Payment of royalty percentage on net product sales. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Other Comprehensive Income (Loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> AOCI Attributable to Parent [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other comprehensive income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive Income (Loss), Net of Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Net of Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Propery and equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities, Property, Plant and Equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, City or Town </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, City or Town </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityVestingOfAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Vesting of Awards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityVestingOfAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Vesting of Awards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityVestingOfAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vesting of awards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ClosingMarketPriceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Closing market price of Common stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ClosingMarketPriceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Closing Market Price Of Common Stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ClosingMarketPriceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Closing Market Price Of Common Stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average discount rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Weighted Average Discount Rate, Percent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> GILTI </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, GILTI, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease, renewal term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Renewal Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and Equipment, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Upfront payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangements Upfront Payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Collaborative arrangements upfront payment. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Subsequent Event </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Event [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Event Type [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Debt and equity securities, Estimated Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities And Equity Securities Fv Ni </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt securities and equity securities fv ni. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquitySecuritiesFvNiUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity securities, Unrealized Gains </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquitySecuritiesFvNiUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities Fv Ni Unrealized Gains </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquitySecuritiesFvNiUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Equity securities fv ni unrealized gains. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additions related to prior period tax positions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additional Paid-in Capital </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Additional Paid-in Capital [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign rate differential </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of income tax provision consists </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontPaymentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Upfront payment conditions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontPaymentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangements Upfront Payment Description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontPaymentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Collaborative Arrangements Upfront payment description. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest and/or penalties </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Examination, Penalties Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Counterparty Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Counterparty Name [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, par value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Par or Stated Value Per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Stockholders' Equity [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current portion included in accrued liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Liability, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Advertising Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Advertising Cost [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasuryNotesSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> U.S. Treasury notes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasuryNotesSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> US Treasury Notes Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Property, Plant and Equipment, Net, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Property, Plant and Equipment, Net, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Property and equipment, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Comprehensive Income [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Collaborative Arrangement and Arrangement Other than Collaborative </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangement and Arrangement Other than Collaborative [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ValuationAndQualifyingAccountsDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Valuation And Qualifying Accounts Disclosure [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ValuationAndQualifyingAccountsDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Central Index Key </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Central Index Key </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Plan Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Plan Name [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FederalResearchAndDevelopmentCreditCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal R&D credit carryforwards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FederalResearchAndDevelopmentCreditCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Federal Research And Development Credit Carryforwards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FederalResearchAndDevelopmentCreditCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Federal research and development credit carryforwards. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted cash </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Cash, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Other Operating Assets, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Other Operating Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease, options to extend </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Option to Extend </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Preferred Stock, Shares Outstanding, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Preferred Stock, Shares Outstanding, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, shares outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Shares Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Cancelled/forfeited </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNiUnrealizedLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Debt and equity securities, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNiUnrealizedLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities And Equity Securities Fv Ni Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNiUnrealizedLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt securities and equity securities fv ni unrealized losses. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Foreign Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total current liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Tax Identification Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Tax Identification Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Loss before income taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryFinishedGoodsNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Finished goods </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryFinishedGoodsNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory, Finished Goods, Net of Reserves </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryForLongTermContractsOrPrograms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-term inventory </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryForLongTermContractsOrPrograms_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory for Long-Term Contracts or Programs, Gross </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Changes in operating assets and liabilities: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Operating Capital [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedContingentPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued contingent Payments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedContingentPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accrued contingent Payments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financial Instruments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Financial Instruments [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock-based compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock pursuant to employee stock purchase plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Value, Employee Stock Purchase Plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Income Tax Examination, Penalties and Interest Accrued, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest and/or penalties accrued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Examination, Penalties and Interest Accrued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Leases </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Leases [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Plan Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Plan Name [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Geographical </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Geographical [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating leases arrangement term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Term of Contract </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DevelopmentCommercializationAndSalesMilestonesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Development Commercialization and Sales Milestones </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DevelopmentCommercializationAndSalesMilestonesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Development Commercialization And Sales Milestones [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DevelopmentCommercializationAndSalesMilestonesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Development Commercialization and Sales Milestones. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued milestone and contingent payments in connection with asset acquisition </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Noncash or Part Noncash Acquisition, Fixed Assets Acquired </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease right-of-use assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Right-of-Use Asset </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SummaryOfSignificantAccountingPolicyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary Of Significant Accounting Policy [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SummaryOfSignificantAccountingPolicyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Summary Of Significant Accounting Policy [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SummaryOfSignificantAccountingPolicyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Summary Of Significant Accounting Policy [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Registrant Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Registrant Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease, option to extend </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Existence of Option to Extend [true false] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeaseDescriptionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lessee Lease Description [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeaseDescriptionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Lease, Description [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Retained Earnings (Accumulated Deficit), Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Retained Earnings (Accumulated Deficit), Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Retained Earnings (Accumulated Deficit), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated deficit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retained Earnings (Accumulated Deficit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel"> Less Than 12 Months, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Less Than 12 Months, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Less Than 12 Months, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Supplemental disclosure of cash flow information: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Cash Flow Information [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Deficit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retained Earnings [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterialsNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Raw material </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterialsNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory, Raw Materials, Net of Reserves </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsFinitelived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Impairment Of Intangible Assets Finite lived </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsFinitelived_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Impairment of Intangible Assets, Finite-Lived </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amounts computed at statutory federal rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OptionToPurchaseAdditionalSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Option To Purchase Additional Shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OptionToPurchaseAdditionalSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Option To Purchase Additional Shares [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OptionToPurchaseAdditionalSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Option to purchase additional shares. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock-based compensation expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Compensation Arrangement with Individual, Compensation Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Income Tax Liabilities, Net, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel"> Total deferred tax liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Income Tax Liabilities, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Issuance of common stock pursuant to employee stock purchase plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock pursuant to employee stock purchase plan (in shares) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Shares, Employee Stock Purchase Plans </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Minimum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Minimum [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Carrying Value and Amortized Cost of Company Investments Summarized by Major Security Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Revenues, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Revenues </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenues </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash received from options exercised </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Stock Options Exercised </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Significant Accounting Policies </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Significant Accounting Policies [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Outstanding shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Outstanding, Begining Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Outstanding, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Total operating lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total operating lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue Recognition </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expected volatility, minimum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Component </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Component [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Adjustments to reconcile net loss to net cash used in operating activities: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubleaseIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Operating sublease income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubleaseIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating sublease income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubleaseIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sublease Income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Prices </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxExpensesWriteOffOfIPRD_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Write-off of IP R&D </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxExpensesWriteOffOfIPRD_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Expenses Write Off Of I P R D </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxExpensesWriteOffOfIPRD_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax expenses Write-off of IP R&D. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Current Reporting Status </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Current Reporting Status </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, shares authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Shares Authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Research and Development Expense, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Research and development </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Research and Development Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DomesticCorporateDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Corporate debt securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DomesticCorporateDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Security, Corporate, US [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assets [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net proceeds from sale of common stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from issuance of common stock, net of issuance costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Issuance of Common Stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Amortization of Intangible Assets, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortization of intangible assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amortization of Intangible Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock available for grants </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AvailableForSaleInvestmentSecuritiesContractualMaturityDates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Available-for-sale investment securities contractual maturity dates </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AvailableForSaleInvestmentSecuritiesContractualMaturityDates_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Investment Securities Contractual Maturity Dates </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AvailableForSaleInvestmentSecuritiesContractualMaturityDates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Available-for-sale investment securities contractual maturity dates/ </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest and other receivables </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Receivable, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SummaryOfSignificantAccountingPolicyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary Of Significant Accounting Policy [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SummaryOfSignificantAccountingPolicyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Summary Of Significant Accounting Policy [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SummaryOfSignificantAccountingPolicyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Summary Of Significant Accounting Policy [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Prices, Unvested </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Outstanding Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award options nonvested outstanding weighted average exercise price. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, $0.0001 par value; 225,000,000 shares authorized at December 31, 2023 and 2022; 164,650,219 shares and 162,064,872 shares issued and outstanding at December 31, 2023 and 2022, respectively </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Common Stock, Value, Issued, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Common Stock, Value, Issued, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Common Stock, Value, Issued, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Value, Issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lease commencement period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Lease Not yet Commenced, Description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Furniture and Fixtures </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Furniture and Fixtures [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accrued liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Liabilities, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current Fiscal Year End Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Fiscal Year End Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Share-based Payment Arrangement, Noncash Expense, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock-based compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Noncash Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Auditor Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Loss from operations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Income (Loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> SEC Schedule, 12-09, Valuation Allowances and Reserves Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Ex Transition Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total deferred tax assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Income Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total income tax provision </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Total income tax provision </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income tax expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Other Adjustments, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueProductLineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenue, Product and Service Benchmark </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueProductLineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Product and Service Benchmark [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Research and development </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Research and Development Expense [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Reductions related to prior period tax positions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock in connection with asset acquisition (in shares) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Shares, Acquisitions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Sale and maturity of investment securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Proceeds from Sale and Maturity of Debt Securities, Available-for-sale, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ValuationAndQualifyingAccountsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AvailableForSaleSecuritiesDebtMaturitiesRollingYearOneThroughTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Available-for-sale, investment securities held with maturity dates of more than one year and less than two years </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AvailableForSaleSecuritiesDebtMaturitiesRollingYearOneThroughTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Rolling Year One Through Two </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AvailableForSaleSecuritiesDebtMaturitiesRollingYearOneThroughTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Available for sale securities debt maturities rolling year one through two. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration risk, percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk, Percentage </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AustinDKimMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Austin D. Kim [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AustinDKimMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Austin D. Kim [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock-based compensation expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expected volatility, maximum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Disaggregation of Revenue [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketableSecuritiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Intangible assets, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Finite-Lived Intangible Assets, Net, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Finite-Lived Intangible Assets, Net, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Finite-Lived Intangible Assets, Net, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finite-lived intangible assets, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ExpireInTwentyTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expire in 2022 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ExpireInTwentyTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Expire In Twenty Twenty Two [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ExpireInTwentyTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Expire in 2022. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Impairment of Long-Lived Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PrvLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> PRV liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PrvLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> PRV liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other comprehensive income (loss): </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Net of Tax [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate Intrinsic Value, Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net Loss Per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in valuation allowance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Additions related to current period tax positions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average remaining contractual term, Unvested </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Weighted Average Remaining Contractual Term1 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Weighted Average Remaining Contractual Term1. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other income </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Nonoperating Income (Expense), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Nonoperating Income (Expense) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other income (expense) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sale of Stock, Price Per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share price of common stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetsLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetsLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Lease Obligations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetsLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax assets lease obligations. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Expenses [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontConsiderationAndTransactionPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Upfront consideration and transaction costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontConsiderationAndTransactionPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangements Upfront Consideration And Transaction Payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontConsiderationAndTransactionPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Collaborative Arrangements Upfront consideration and transaction Payment. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Voluntary Filers </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Voluntary Filers </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Events [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StateResearchAndDevelopmentCreditCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> State Research and Development Credit Carryforwards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StateResearchAndDevelopmentCreditCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> State Research and Development Credit Carryforwards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign pre-tax income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income (Loss) from Continuing Operations before Income Taxes, Foreign </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> US Government Sponsored Enterprises Debt Securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> US Government-sponsored Enterprises Debt Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unvested at December 31, 2022 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments and Contingencies Disclosure [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Assets, Noncurrent, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Assets, Noncurrent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Granted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Accrued Liabilities, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stockholders' Equity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Depreciation, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Depreciation of property and equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Depreciation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Depreciation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net operating loss carryforwards with no expiration date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Interest and other receivables </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Accounts Receivable and Other Operating Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt securities, Unrealized Gains </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stockholders’ equity: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity, Attributable to Parent [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Thereafter </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid, after Year Five </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Operating Lease Costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease, Cost [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LicenseFeesAndRoyaltyExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> License fees and royalties </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LicenseFeesAndRoyaltyExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> License Fees And Royalty Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LicenseFeesAndRoyaltyExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> License fees and royalty expense. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Cost of Goods and Services Sold, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cost of product sales </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost of Goods and Services Sold </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseContractualTermDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lease Contractual Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseContractualTermDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease Contractual Term [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Maturities of Lease Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ExclusivityDeedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Exclusivity Deed </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ExclusivityDeedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Exclusivity Deed [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ExclusivityDeedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Exclusivity deed. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Effective Income Tax Rate Reconciliation, Tax Contingency, Amount, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Contingencies </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Tax Contingency, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FleetProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fleet Program </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FleetProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fleet Program [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FleetProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Fleet program. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Policies [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborationAgreementCostSplitsDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Collaboration Agreement, Cost Splits Description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborationAgreementCostSplitsDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaboration Agreement, Cost Splits Description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborationAgreementCostSplitsDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cost splits description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeaseDescriptionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lessee Lease Description [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeaseDescriptionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Lease, Description [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance at Beginning of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance at End of Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration Risk </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk, Credit Risk, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sale of shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sale of Stock, Consideration Received on Transaction </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share Based Compensation Arrangement By Share Based Payment Award [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating Loss Carryforwards Expiring Two Thousand and Twenty Four [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Loss Carryforwards Expiring Two Thousand and Twenty Four [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Loss Carryforwards Expiring 2024 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease remaining lease term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Remaining Lease Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Basic net income (loss) per share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Earnings Per Share, Basic, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share, Basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net loss per common share, basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Customer Concentration Risk </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Customer Concentration Risk [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Charge on finished goods inventory </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory Write-down </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments and contingencies (Note 9) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments and Contingencies </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Securities, Available-for-sale, Current, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Debt securities, Estimated Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investment securities, available-for-sale </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialPaperNotIncludedWithCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commercial paper </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialPaperNotIncludedWithCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commercial Paper, Not Included with Cash and Cash Equivalents [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StockIssuedDuringPeriodSharesStockOptionsExercisedAndRestrictedStockUnitsReleases_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock from exercise of stock options and units (in shares) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StockIssuedDuringPeriodSharesStockOptionsExercisedAndRestrictedStockUnitsReleases_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period Shares Stock Options Exercised And Restricted Stock Units Releases </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StockIssuedDuringPeriodSharesStockOptionsExercisedAndRestrictedStockUnitsReleases_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Stock issued during period shares stock options exercised and restricted stock units releases. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PerformanceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> PSU </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PerformanceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Performance Shares [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retirement Benefits [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedClinicalDevelopmentServicesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued research and development services </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedClinicalDevelopmentServicesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Clinical Development Services Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedClinicalDevelopmentServicesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Carrying amount as of the balance sheet date for expenses incurred related to clinical development activities due within one year. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statistical Measurement </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statistical Measurement [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash provided by (used in) operating activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Operating Activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Period End Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Period End Date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statistical Measurement </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statistical Measurement [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments and Contingencies </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments and Contingencies Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating cash flows from operating leases </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Payments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FourCustomersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Four Customers </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FourCustomersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Four Customers [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_FourCustomersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Four customers. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average remaining contractual term, Vested </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Vested Weighted Average Remaining Contractual Term1 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share Based Compensation Arrangement By Share Based Payment Award Options Vested Weighted Average Remaining Contractual Term1. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Diluted net income (loss) per share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Earnings Per Share, Diluted, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share, Diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net loss per common share, diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease, Cost [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cost of product sales </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost of Sales [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Tax Assets, Operating Loss Carryforwards, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> NOL carryforwards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Operating Loss Carryforwards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxReconciliationLimitationOnExecutiveCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred adjustments for limits on executive compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxReconciliationLimitationOnExecutiveCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation Limitation On Executive Compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxReconciliationLimitationOnExecutiveCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax reconciliation limitation on executive compensation. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance at beginning of period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance at end of period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Unrecognized Tax Benefits </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> SEC Schedule, 12-09, Valuation Allowances and Reserves </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration Risk Benchmark </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk Benchmark [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetAccruedRebates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued rebates </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetAccruedRebates_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Asset Accrued Rebates </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetAccruedRebates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred Tax Asset Accrued Rebates </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_RestrictedStockUnitsAndPerformanceStockUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted Stock Units and Performance Stock Units </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_RestrictedStockUnitsAndPerformanceStockUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Stock Units And Performance Stock Units [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_RestrictedStockUnitsAndPerformanceStockUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Restricted Stock Units and Performance Stock Units. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of periods additional number of shares could be added to shares authorized for issuance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenues </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue from Contract with Customer [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EffectiveIncomeTaxRateReconciliationExpirationOfAttributesAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Effective Income Tax Rate Reconciliation, Expiration of Attributes, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EffectiveIncomeTaxRateReconciliationExpirationOfAttributesAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Expiration of Attributes, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EffectiveIncomeTaxRateReconciliationExpirationOfAttributesAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Epiration of attributes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Hierarchy and NAV </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Hierarchy and NAV [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Exercisable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidAdvertising_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Advertising costs capitalized as prepaid expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidAdvertising_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Prepaid Advertising </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Tax [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax table. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ScheduleOfCashAndCashEquivalentsAndRestrictedCashTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ScheduleOfCashAndCashEquivalentsAndRestrictedCashTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Cash And Cash Equivalents And Restricted Cash Table [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ScheduleOfCashAndCashEquivalentsAndRestrictedCashTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of cash and cash equivalents and restricted cash. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Commitments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Commitments [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ExercisePriceOfOptionsPercentageOfFairMarketValueOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Exercise price of Options as percentage of fair market value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ExercisePriceOfOptionsPercentageOfFairMarketValueOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Exercise Price Of Options Percentage Of Fair Market Value Of Common Stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ExercisePriceOfOptionsPercentageOfFairMarketValueOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Exercise Price Of Options Percentage Of Fair Market Value Of Common Stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Additional Paid in Capital, Common Stock, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Additional Paid in Capital, Common Stock, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additional paid-in capital </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Additional Paid in Capital, Common Stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Inventory </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of Shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total net deferred tax assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> US Treasury Securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> US Treasury Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Company matching contributions to maximum employees eligible compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Equity securities, Estimated Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities, FV-NI, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate Intrinsic Value, Unvested </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Intrinsic Value1 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award options nonvested intrinsic value1. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of available-for-sale investment securities in unrealized loss position </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock-based compensation expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Deferred Compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EmployeeStockPurchasePlanLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Employee Stock Purchase Plan [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EmployeeStockPurchasePlanLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Employee Stock Purchase Plan [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EmployeeStockPurchasePlanLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Employee Stock Purchase Plan [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LicenseFeesAndRoyaltiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> License Fees and Royalties </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LicenseFeesAndRoyaltiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> License Fees And Royalties Policy [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LicenseFeesAndRoyaltiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> License fees and royalties. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock from exercise of stock options and units (in shares) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Exercised </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Principles of Consolidation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Consolidation, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Liabilities and stockholders’ equity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities and Equity [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LeaseExpirationMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease, expiration year </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LeaseExpirationMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease Expiration Month And Year </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LeaseExpirationMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Lease expiration month and year. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock in connection with asset acquisition </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Value, Acquisitions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Value of common stock issued in connection with asset acquisition </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, Postal Zip Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, Postal Zip Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Interactive Data Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Interactive Data Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of company's matching contribution with respect to each participant's contribution </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Contribution Plan, Employer Matching Contribution, Percent of Match </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Accounts Payable, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts payable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Accounts Payable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfRevenueExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Type of Revenue [Extensible List] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfRevenueExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Revenue, Product and Service [Extensible Enumeration] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Facility </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Facility [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Summary of Gross Unrealized Losses and Fair Value of Available-For-Sale Investment Securities in Unrealized Loss Position </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Imputed interest </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, Undiscounted Excess Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Well-known Seasoned Issuer </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Well-known Seasoned Issuer </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NumberOfLargeCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of large customers </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NumberOfLargeCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number Of Large Customers </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_NumberOfLargeCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Number of large customers. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MunicipalBondsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Municipal Bonds </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MunicipalBondsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Municipal Bonds [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Prices, exercised </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Incorporation, State or Country Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Incorporation, State or Country Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and Cash Equivalents </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash and Cash Equivalents, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Components </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Components [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Accounts receivable, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Accounts Receivable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Other Operating Liabilities, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-term liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Other Operating Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investments, Debt and Equity Securities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 401(k) Plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Retirement Benefits [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Property, Plant and Equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SubleaseAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sublease Agreement Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_SubleaseAgreementTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Sublease Agreement Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory Disclosure [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncreaseDecreaseInOperatingLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncreaseDecreaseInOperatingLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Operating Lease Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncreaseDecreaseInOperatingLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Increase decrease in operating lease liabilities. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Expense [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Financial Liabilities Fair Value Disclosure </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Financial Liabilities Fair Value Disclosure </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financial Liabilities Fair Value Disclosure </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualCashAwardGrantedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maximum amount paid as cash awards to employees </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualCashAwardGrantedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Equity securities, Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities, FV-NI, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Local Phone Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Local Phone Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property, Plant and Equipment [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Sale of Stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sale of Stock [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Prices, Exercisable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Federal Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Cash Flows [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_RemainingSharesAvailableForIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock remained available for issuance pursuant to the Purchase Plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_RemainingSharesAvailableForIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Remaining Shares Available For Issuance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_RemainingSharesAvailableForIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Remaining Shares Available For Issuance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsCharitableContributionCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Charitable contribution carryforwards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsCharitableContributionCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Charitable contributions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsCharitableContributionCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Charitable Contribution Carryforwards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Tax Authority </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Authority [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Organization, Consolidation and Presentation of Financial Statements [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated other comprehensive income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accumulated Other Comprehensive Income (Loss), Net of Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income (Loss), Net of Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and Equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Gross Profit, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross profit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Gross Profit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Remaining net operating loss carryforward, expiration year </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Loss Carryforwards Expiration Year </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating loss carryforwards, expiration year. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration Risk Benchmark </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk Benchmark [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Annual Report </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Annual Report </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, par value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Par or Stated Value Per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Effect of exchange rate changes on cash </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Tax [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income Tax [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest income, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Interest Income (Expense), Nonoperating, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Interest income, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average period cost expected to be recognized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-Lived Tangible Asset </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Lived Tangible Asset [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of common stock authorized for issuance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maximum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Maximum [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ResearchAndDevelopmentCreditCarryforwardsExpiringTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Research And Development Credit Carryforwards Expiring Two Thousand Twenty Three [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ResearchAndDevelopmentCreditCarryforwardsExpiringTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Research And Development Credit Carryforwards Expiring Two Thousand Twenty Three [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ResearchAndDevelopmentCreditCarryforwardsExpiringTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> R&D Credit Carryforwards Expiring 2023 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Milestone payment may be due </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contractual Obligation, to be Paid, Year One </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsNonCashUpfrontPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Upfront payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsNonCashUpfrontPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangements Non Cash Upfront Payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsNonCashUpfrontPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Collaborative arrangements non-cash upfront payment. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CapitalizationOfLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Capitalization of lease liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CapitalizationOfLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Capitalization Of Lease Liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CapitalizationOfLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Capitalization of lease liability. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxReconciliationSwitzerlandTaxReform_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Switzerland tax reform </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxReconciliationSwitzerlandTaxReform_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation Switzerland Tax Reform </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxReconciliationSwitzerlandTaxReform_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income Tax Reconciliation Switzerland Tax Reform. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrecognized Tax Benefits </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetSwitzerlandTaxReform_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred tax asset , Switzerland tax reform </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetSwitzerlandTaxReform_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Asset Switzerland Tax Reform </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetSwitzerlandTaxReform_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax asset Switzerland tax reform. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Significant Unobservable Inputs (Level 3) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Inputs, Level 3 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock-based compensation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> APIC, Share-Based Payment Arrangement, Increase for Cost Recognition </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Recurring and Nonrecurring [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net increase (decrease) in cash, cash equivalents and restricted cash </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWorkInProcessNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Work in process </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWorkInProcessNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory, Work in Process, Net of Reserves </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payables and Accruals [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CashAwardsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cash awards. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CashAwardsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash Awards [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CashAwardsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash Awards [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EmployeeStockPurchasePlanTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Employee Stock Purchase Plan [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EmployeeStockPurchasePlanTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Employee Stock Purchase Plan [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EmployeeStockPurchasePlanTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Employee Stock Purchase Plan [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Cancelled/forfeited </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease), Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Change in fair value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Financial Statement Error Correction [Flag] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="stpr_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> California </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="stpr_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> CALIFORNIA </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Inventory </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Inventory, Current [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontLicenseFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Upfront license fee </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontLicenseFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangements Upfront License Fee </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontLicenseFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Collaborative arrangements upfront license fee. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> City Area Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> City Area Code </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Inventory, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Inventory , net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Inventory </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash flows from operating activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Selected Quarterly Financial Data </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Quarterly Financial Information [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate Intrinsic Value, Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LossOnSaleOfInvestmentSecuritie_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Loss on sale of investment securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LossOnSaleOfInvestmentSecuritie_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Loss on sale of investment securitie </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LossOnSaleOfInvestmentSecuritie_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Loss on sale of investment securitie </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Letter of Credit </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Letter of Credit [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Gain on strategic investment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Gain (Loss) on Investments, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Gain (loss) on strategic investment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Gain (Loss) on Investments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StockIssuedDuringPeriodValueStockOptionsExercisedAndRestrictedStockUnitsReleases_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock from exercise of stock options and units </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StockIssuedDuringPeriodValueStockOptionsExercisedAndRestrictedStockUnitsReleases_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period Value Stock Options Exercised And Restricted Stock Units Releases </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StockIssuedDuringPeriodValueStockOptionsExercisedAndRestrictedStockUnitsReleases_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Stock issued during period value stock options exercised and restricted stock units releases. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Customer </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Customer [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Accumulated depreciation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Sales, general and administrative </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Selling, General and Administrative Expenses [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquityIncentivePlanTwoThousandFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Incentive Plan 2004 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquityIncentivePlanTwoThousandFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Incentive Plan Two Thousand Four [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquityIncentivePlanTwoThousandFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Equity incentive plan two thousand four. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Weighted Average Number of Shares Outstanding, Basic, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number of Shares Outstanding, Basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average common shares outstanding, basic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted-Average Assumptions Used to Estimate Fair Value of Employee Stock Purchase Plan Rights </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Commitments [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Commitments [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash flows from financing activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Financing Activities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Research and Development Expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Research and Development Expense, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Estimated future amortization expense, 2021 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Finite-Lived Intangible Assets, Amortization Expense, Next Rolling 12 Months </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Grant Date Fair Value, Granted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted Weighted Average Grant Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share-based compensation arrangement by share-based payment award, non-option equity instruments, granted weighted average grant date fair value. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Foreign Income Tax Expense (Benefit), Continuing Operations, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign Income Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Foreign Income Tax Expense (Benefit), Continuing Operations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease, description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Description </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> SCHEDULE II - Valuation and Qualifying Accounts </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Company's RSU Activity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statement [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Company's Stock Option Activity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Option, Activity [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts Receivable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Receivable [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted-Average Assumptions Used to Estimate Fair Value of Employee Stock Options </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncreaseDecreaseInOperatingLeaseAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Operating lease right-of-use assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncreaseDecreaseInOperatingLeaseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Operating Lease Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncreaseDecreaseInOperatingLeaseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Increase decrease in operating lease assets. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Fiscal Period Focus </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Fiscal Period Focus </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total lease payments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Total pre-tax income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income (Loss) from Equity Method Investments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Income (Loss) from Equity Method Investments, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investment Securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Investment, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CompensationExpenseRelatedToMergersToFormerHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Compensation expense related to mergers to former holders </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CompensationExpenseRelatedToMergersToFormerHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Compensation Expense Related To Mergers To Former Holders </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CompensationExpenseRelatedToMergersToFormerHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Compensation expense related to mergers to former holders. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2025 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid, Year Two </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued consulting and professional fees </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Professional Fees, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statement [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StokeTherapeuticsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Stoke Therapeutics, Inc. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StokeTherapeuticsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stoke Therapeutics, Inc. [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StokeTherapeuticsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stoke Therapeutics, Inc. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Antidilutive securities to purchase common stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance as of December 31, 2023 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance as of December 31, 2022 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Machinery and Equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Machinery and Equipment [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net operating lease costs </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease, Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Subsequent Event [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Event [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAssumed1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities Assumed </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAssumed1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Estimated Liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Components of Deferred Tax Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Deferred Tax Assets and Liabilities [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accounts Receivable, after Allowance for Credit Loss, Current, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts receivable, net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Receivable, after Allowance for Credit Loss, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Customer </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Customer [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common Stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Commitments [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Commitments [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Cash and Cash Equivalents, at Carrying Value, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Cash and Cash Equivalents, at Carrying Value, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Cash and Cash Equivalents, at Carrying Value, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and cash equivalents </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash and Cash Equivalents, at Carrying Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Stock-based Compensation Expense Included in Statements of Operations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate Intrinsic Value, Exercisable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Amortization of premiums and accretion of discounts on investment securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accretion (Amortization) of Discounts and Premiums, Investments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Prepaid Expense, Current, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Prepaid expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Prepaid Expense, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Common Stock, Shares Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Common Stock, Shares Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LesseeOperatingLeaseLeaseNotYetCommencedMinimumLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Minimum lease payment amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LesseeOperatingLeaseLeaseNotYetCommencedMinimumLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Lease Not Yet Commenced Minimum Lease Payments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_LesseeOperatingLeaseLeaseNotYetCommencedMinimumLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Lessee operating lease lease not yet commenced minimum lease payments. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sales of securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds from Sale of Debt Securities, Available-for-Sale </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value of Financial Instruments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value of Financial Instruments, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AccruedTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accrued Taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Domestic pre-tax income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income (Loss) from Continuing Operations before Income Taxes, Domestic </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cover </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cover [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Selling, General and Administrative Expense, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Selling, general and administrative </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Selling, General and Administrative Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Fiscal Year Focus </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Fiscal Year Focus </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Intangible Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Intangible Assets, Finite-Lived, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNiAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt and equity securities, Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNiAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities And Equity Securities Fv Ni Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNiAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt securities and equity securities fv ni amortized cost. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ScheduleOfSupplementalCashFlowRelatedToLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Supplemental Cash Flow Information Related to the Company's Leases </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ScheduleOfSupplementalCashFlowRelatedToLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Supplemental Cash Flow Related To Leases Table [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ScheduleOfSupplementalCashFlowRelatedToLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of supplemental cash flow related to leases. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Income Taxes Paid, Net, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash paid for income taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Taxes Paid, Net </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyNineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating Loss Carryforwards Expiring Two Thousand and Twenty Nine [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyNineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Loss Carryforwards Expiring Two Thousand and Twenty Nine [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyNineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Loss Carryforwards Expiring 2029 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> State and Local Income Tax Expense (Benefit), Continuing Operations, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State income tax provision </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> State and Local Income Tax Expense (Benefit), Continuing Operations </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Sale of Stock </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sale of Stock [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OptionIndexedToIssuersEquityTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Option Indexed to Issuer's Equity, Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OptionIndexedToIssuersEquityTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Option Indexed to Issuer's Equity, Type [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average per share fair value of purchase rights granted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ValuationAllowancesAndReservesDeductionsRelatedPriorPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Deductions, Actual Distribution Fees, Discounts and Chargebacks Related to Prior Period Sales </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ValuationAllowancesAndReservesDeductionsRelatedPriorPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Valuation Allowances And Reserves Deductions Related Prior Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ValuationAllowancesAndReservesDeductionsRelatedPriorPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Valuation allowances and reserves deductions related prior period. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CersciTherapeuticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cersci Therapeutics </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CersciTherapeuticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cersci Therapeutics [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CersciTherapeuticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cersci Therapeutics [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Security Exchange Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Security Exchange Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Options maximum expiration term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentAndPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrecognized tax reserves recorded during period </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentAndPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Unrecognized Tax Benefits Increases Resulting From Current And Prior Period Tax Positions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentAndPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current and prior period tax return. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DomesticCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DomesticCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Domestic Tax Authority [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Recently Issued Accounting Standards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> New Accounting Pronouncements, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Preferred Stock, Shares Issued, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, shares issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Shares Issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, shares authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Shares Authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ResearchAndDevelopmentCreditCarryforwardsExpiringTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expiring in 2024 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ResearchAndDevelopmentCreditCarryforwardsExpiringTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Research And Development Credit Carryforwards Expiring Two Thousand Twenty Four [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ResearchAndDevelopmentCreditCarryforwardsExpiringTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Research and development credit carryforwards expiring two thousand twenty four. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Property, Plant and Equipment, Gross, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Property, Plant and Equipment, Gross, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Property, Plant and Equipment, Gross, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment, gross </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Gross </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vested at December 31, 2022 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current State and Local Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Right-of-use assets obtained in exchange for operating lease obligations: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Right-of-Use Asset Obtained in Exchange for Operating Lease Liability </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesDeductions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Deductions, Actual Distribution Fees, Discounts and Chargebacks Related to Current Period Sales </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesDeductions_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Prices, Cancelled/forfeited </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financial Instrument </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Financial Instrument [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CapitalizationOfRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Capitalization of right of use asset </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CapitalizationOfRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Capitalization Of Right Of Use Asset </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CapitalizationOfRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Capitalization of right of use asset. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Issuance of common stock from exercise of stock options and units </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period, Value, Stock Options Exercised </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Emerging Growth Company </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Emerging Growth Company </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate intrinsic value of stock options exercised </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amendment Flag </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Amendment Flag </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Accrued Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Accrued Liabilities [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StockIssuedEmployeeStockPurchasePlanAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average per share price of stock issued under purchase plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StockIssuedEmployeeStockPurchasePlanAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued Employee Stock Purchase Plan Average Price Per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StockIssuedEmployeeStockPurchasePlanAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Stock Issued, Employee Stock Purchase Plan, Average Price Per Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Intangible assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments to Acquire Intangible Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Debt securities, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> R&D credits </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> R&D credits </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentVestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Grant Date Fair Value, Vested </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentVestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instrument Vested Weighted Average Grant Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentVestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award non option equity instrument vested weighted average grant date fair value. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred tax liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities, Gross [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNiUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt and equity securities, Unrealized Gains </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNiUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities And Equity Securities Fv Ni Unrealized Gains </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DebtSecuritiesAndEquitySecuritiesFvNiUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Debt securities and equity securities fv ni unrealized gains. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchases of investment securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Payments to Acquire Debt Securities, Available-for-Sale </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Leases [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Total, Estimated Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Unrealized Loss Position </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Securities, Available-for-sale, Unrealized Loss Position, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity File Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity File Number </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CorporateCreditCardProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Corporate Credit Card Program </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CorporateCreditCardProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Corporate Credit Card Program [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CorporateCreditCardProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Corporate credit card program. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of revenue consist of product sales to customers </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total deferred tax assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Gross </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts Receivable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Receivable [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IpsenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Ipsen </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IpsenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Ipsen [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IpsenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Ipsen [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrealized income (loss) on investment securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquitySecuritiesFvNiUnrealizedLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Equity securities, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquitySecuritiesFvNiUnrealizedLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities Fv Ni Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EquitySecuritiesFvNiUnrealizedLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Equity securities fv ni unrealized losses. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of Shares </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Accounts Payable, Current, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts payable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Payable, Current </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Deferred Tax Assets, Valuation Allowance, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Valuation allowance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Valuation Allowance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total operating expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Costs and Expenses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Auditor Location </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Expected life of options in years </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expected life in years </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, Address Line Two </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, Address Line Two </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Intangibles </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Goodwill and Intangible Assets </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, $0.0001 par value; 5,000,000 shares authorized at December 31, 2023 and 2022; no shares issued and outstanding at December 31, 2023 and 2022 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Preferred Stock, Value, Issued, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Preferred Stock, Value, Issued, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Preferred Stock, Value, Issued, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock, Value, Issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Small Business </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Small Business </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Shell Company </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Shell Company </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of business segments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Number of Operating Segments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares sold of Neuren </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Sale of Stock, Number of Shares Issued in Transaction </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, Address Line One </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address, Address Line One </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Contractual Obligation, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Mile stone payments payable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Contractual Obligation </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Balance Sheet Details </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Balance Sheet Disclosures [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AssumptionsUsedToDetermineFairValueOptionsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Assumptions Used To Determine Fair Value Options [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AssumptionsUsedToDetermineFairValueOptionsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assumptions Used To Determine Fair Value Options [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AssumptionsUsedToDetermineFairValueOptionsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Assumptions used to Determine Fair Value Options [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Joint share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Jointly Owned Utility Plant, Proportionate Ownership Share </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Event Type [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Risk-free interest rate, minimum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AllowanceForDistributionFeesDiscountsAndChargebacksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Allowance for Distribution Fees, Discounts and Chargebacks </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AllowanceForDistributionFeesDiscountsAndChargebacksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Allowance For Distribution Fees Discounts And Chargebacks [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AllowanceForDistributionFeesDiscountsAndChargebacksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Allowance for distribution fees, discounts and chargebacks. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Statement Location </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement Location [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Risk-free interest rate, maximum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfCostGoodOrServiceExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Type of Cost, Good or Service [Extensible List] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfCostGoodOrServiceExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cost, Product and Service [Extensible Enumeration] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expected dividend yield </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Income (Loss), Including Portion Attributable to Noncontrolling Interest </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2028 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid, Year Five </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Significant Other Observable Inputs (Level 2) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Inputs, Level 2 [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate carrying amount of strategic equity investment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Method Investments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StephenRDavisMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Stephen R. Davis [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_StephenRDavisMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Stephen R. Davis [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Title of 12(b) Security </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Title of 12(b) Security </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State taxes </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseContractualTermAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lease Contractual Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseContractualTermAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lease Contractual Term [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetsResearchAndDevelopmentCreditCarryforwardsNotSubjectToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Research and development credit carryforwards with no expiration date </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetsResearchAndDevelopmentCreditCarryforwardsNotSubjectToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Research And Development Credit Carryforwards Not Subject To Expiration </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DeferredTaxAssetsResearchAndDevelopmentCreditCarryforwardsNotSubjectToExpiration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax assets research and development credit carryforwards not subject to expiration. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_RegulatoryMilestonePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> One-time contingent regulatory milestone payment pursuant to agreement with Ipsen Group </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_RegulatoryMilestonePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Regulatory Milestone Payment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_RegulatoryMilestonePayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Regulatory milestone payment. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current provision: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Current Federal, State and Local, Tax Expense (Benefit) [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Measurements of Cash Equivalents, Available-For-Sale Investment Securities and Equity Securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value, Assets Measured on Recurring Basis [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Quarterly Financial Information Disclosure [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Grant Date Fair Value, Cancelled/forfeited </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Forfeitures Weighted Average Grant Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share-based compensation arrangement by share-based payment award, non-option equity instruments, forfeitures weighted average grant date fair value. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash flows from investing activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Investing Activities [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisposals_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Removal of fully depreciated property, machinery and equipment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisposals_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment, Disposals </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValueRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Grant Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValueRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Weighted Average Grant Date Fair Value Roll Forward </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValueRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share-based compensation arrangement by share-based payment award, non-option equity instruments, weighted average grant date fair value roll forward. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> State and Local Jurisdiction [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Segment Reporting </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Segment Reporting, Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-Lived Tangible Asset </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Long-Lived Tangible Asset [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AssumptionsUsedToDetermineFairValueOptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Assumptions Used To Determine Fair Value Options [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AssumptionsUsedToDetermineFairValueOptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Assumptions Used To Determine Fair Value Options [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_AssumptionsUsedToDetermineFairValueOptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Assumptions used to Determine Fair Value Options [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Inventories, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Inventory </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Inventories </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsVested_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Vested </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsVested_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Vested </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsVested_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award non option equity instruments vested. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrealized Loss on Securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Unrealized gain (loss) on securities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Unrealized Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VehiclesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Vehicles </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VehiclesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Vehicles [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Terms of award </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Terms of Award </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and Cash Equivalents </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash and Cash Equivalents [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Company contributions to 401 (k) plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Contribution Plan, Employer Discretionary Contribution Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Goodwill and Intangible Asset Impairment </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Goodwill and Intangible Asset Impairment, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel"> Total, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Total, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Total, Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average remaining contractual term, Exercisable </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxExpensePermanentTaxDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock-based compensation and other permanent differences </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxExpensePermanentTaxDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Expense Permanent Tax Differences </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_IncomeTaxExpensePermanentTaxDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income tax expense permanent tax differences. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Common Stock, Shares, Outstanding, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Common Stock, Shares, Outstanding, Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, shares outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock, Shares, Outstanding </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EligibleEmployeesPercentageOfEarningsWithheldToPurchaseSharesUnderPurchasePlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Eligible employees percentage of earnings withheld to purchase shares under purchase plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EligibleEmployeesPercentageOfEarningsWithheldToPurchaseSharesUnderPurchasePlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Eligible Employees Percentage Of Earnings Withheld To Purchase Shares Under Purchase Plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_EligibleEmployeesPercentageOfEarningsWithheldToPurchaseSharesUnderPurchasePlan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Eligible Employees Percentage of Earnings Withheld to Purchase Shares Under Purchase Plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Risk-free interest rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Compensation cost related to the awards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Payment Arrangement, Expensed and Capitalized, Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Share-based Payment Arrangement, Expensed and Capitalized, Amount, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Estimated Useful Lives by Major Asset Category </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment Useful Lives Table [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Property Plant And Equipment Useful Lives Table [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additions, Provision Related to Current Period Sales </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Acquisitions </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Combinations Policy [Policy Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Tax Credit Carryforward </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Tax Credit Carryforward [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration Risk Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk Type [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Statement Location </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement Location [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Exercise Prices, granted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BankingRegulationMaximumPayoutAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Potential payout </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BankingRegulationMaximumPayoutAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Banking Regulation, Maximum Payout Amount </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Document Type </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate Intrinsic Value, Vested </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Vested Intrinsic Value1 </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award options vested intrinsic value1. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash provided by (used in) investing activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Investing Activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Weighted Average Grant Date Fair Value , Begining Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Weighted Average Grant Date Fair Value, Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Weighted Average Grant Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding weighted average grant date fair value. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Counterparty Name </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Counterparty Name [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_MilestonePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Milestone payments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_MilestonePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Milestone Payments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_MilestonePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Milestone payments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash provided by financing activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided by (Used in) Financing Activities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock reserved for issuance under stock purchase plan </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Filer Category </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Filer Category </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> R&D credit carryforwards </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets, Tax Credit Carryforwards, Research </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Supplemental disclosure of noncash information: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontPaymentSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock issuance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontPaymentSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Collaborative Arrangements Upfront Payment Shares Issued </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CollaborativeArrangementsUpfrontPaymentSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Collaborative arrangements upfront payment shares issued. </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Balance Sheet Location </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Balance Sheet Location [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Increase (Decrease) in Accrued Liabilities, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Increase (Decrease) in Accrued Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Foreign currency translation adjustments </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Domestic and Foreign Pre-tax Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShortTermInventory_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Short term inventory </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShortTermInventory_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Short term inventory </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_ShortTermInventory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Inventory </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Property Plant And Equipment [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Property, Plant and Equipment [Table] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CorporateOfficeSpaceLeaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Corporate Office Space Lease Agreement </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CorporateOfficeSpaceLeaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Corporate Office Space Lease Agreement [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_CorporateOfficeSpaceLeaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> Corporate office space lease agreement </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total stockholders’ equity </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Beginning balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Ending balance </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Equity, Attributable to Parent </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net realized losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Realized Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Documents Incorporated by Reference </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Documents Incorporated by Reference [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DaybueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> DAYBUE </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DaybueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> DAYBUE [Member] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="acad_DaybueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation"> DAYBUE </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net income (loss) </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Organization and Business </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Business Description and Basis of Presentation [Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and Cash Equivalents </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Cash and Cash Equivalents [Domain] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate Intrinsic Value </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Statement of Financial Position [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Weighted Average Number of Shares Outstanding, Diluted, Total </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number of Shares Outstanding, Diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average common shares outstanding, diluted </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilitiesGrossDifferenceAmountAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less: </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilitiesGrossDifferenceAmountAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee, Operating Lease, Liability, to be Paid, Gross Difference [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reconciliation of Income Taxes to Amount Computed by Applying Statutory Federal Income Tax Rate to Pretax Loss </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Impairment losses </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Impairment of Long-Lived Assets to be Disposed of </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Facility </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Facility [Axis] </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Debt securities, Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities, Available-for-Sale, Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted average remaining lease term </link:label>
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<xsd:element id="acad_DebtSecuritiesAndEquitySecuritiesFvNi" name="DebtSecuritiesAndEquitySecuritiesFvNi" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_AccruedTaxes" name="AccruedTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="acad_LicenseAgreementsMember" name="LicenseAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_SubleaseAgreementTerm" name="SubleaseAgreementTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
<xsd:element id="acad_ValuationAllowancesAndReservesDeductionsRelatedPriorPeriod" name="ValuationAllowancesAndReservesDeductionsRelatedPriorPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValueRollForward" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValueRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_PaymentsForExclusiveRight" name="PaymentsForExclusiveRight" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_DevelopmentCommercializationAndSalesMilestonesMember" name="DevelopmentCommercializationAndSalesMilestonesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_EquityIncentivePlanTwoThousandFourMember" name="EquityIncentivePlanTwoThousandFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_LicenseFeesAndRoyaltyExpense" name="LicenseFeesAndRoyaltyExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_DaybueMember" name="DaybueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_RemainingSharesAvailableForIssuance" name="RemainingSharesAvailableForIssuance" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="acad_AssumptionsUsedToDetermineFairValueOptionsTable" name="AssumptionsUsedToDetermineFairValueOptionsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_CollaborativeArrangementsUpfrontPaymentDescription" name="CollaborativeArrangementsUpfrontPaymentDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="acad_PropertyPlantAndEquipmentUsefulLivesTableTextBlock" name="PropertyPlantAndEquipmentUsefulLivesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="acad_CompensationExpenseRelatedToMergersToFormerHolders" name="CompensationExpenseRelatedToMergersToFormerHolders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_EmployeeStockPurchasePlanLineItems" name="EmployeeStockPurchasePlanLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_IncomeTaxTable" name="IncomeTaxTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_FederalResearchAndDevelopmentCreditCarryforwards" name="FederalResearchAndDevelopmentCreditCarryforwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_ShortTermInventory" name="ShortTermInventory" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_CashAwardsMember" name="CashAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_CorporateOfficeSpaceLeaseAgreementMember" name="CorporateOfficeSpaceLeaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_EquityIncentivePlanTwentyTenMember" name="EquityIncentivePlanTwentyTenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_IncomeTaxReconciliationDeferredRateAdjustment" name="IncomeTaxReconciliationDeferredRateAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentAndPriorPeriodTaxPositions" name="UnrecognizedTaxBenefitsIncreasesResultingFromCurrentAndPriorPeriodTaxPositions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="acad_IncomeTaxExpensesWriteOffOfIPRD" name="IncomeTaxExpensesWriteOffOfIPRD" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_SubscriptionOfShares" name="SubscriptionOfShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
<xsd:element id="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyNineMember" name="OperatingLossCarryforwardsExpiringTwoThousandAndTwentyNineMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_OperatingLossCarryforwardsExpiringTwoThousandAndTwentyFourMember" name="OperatingLossCarryforwardsExpiringTwoThousandAndTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_RestrictedStockUnitsAndPerformanceStockUnitsMember" name="RestrictedStockUnitsAndPerformanceStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_LesseeOperatingLeaseLeaseNotYetCommencedMinimumLeasePayments" name="LesseeOperatingLeaseLeaseNotYetCommencedMinimumLeasePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="acad_AvailableForSaleSecuritiesDebtMaturitiesRollingYearOneThroughTwo" name="AvailableForSaleSecuritiesDebtMaturitiesRollingYearOneThroughTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_DeferredTaxAssetAccruedRebates" name="DeferredTaxAssetAccruedRebates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_CersciTherapeuticsMember" name="CersciTherapeuticsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_NeurenPharmaceuticalsLimitedMember" name="NeurenPharmaceuticalsLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_EmployeeStockPurchasePlanTable" name="EmployeeStockPurchasePlanTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_DebtSecuritiesAndEquitySecuritiesFvNiAmortizedCost" name="DebtSecuritiesAndEquitySecuritiesFvNiAmortizedCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_FourCustomersMember" name="FourCustomersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_DebtSecuritiesAndEquitySecuritiesFvNiUnrealizedGains" name="DebtSecuritiesAndEquitySecuritiesFvNiUnrealizedGains" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageGrantDateFairValue" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="acad_OperatingLossCarryforwardsExpiringTwoThousandAndThirtyOneMember" name="OperatingLossCarryforwardsExpiringTwoThousandAndThirtyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_CorporateCreditCardProgramMember" name="CorporateCreditCardProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_SummaryOfSignificantAccountingPolicyLineItems" name="SummaryOfSignificantAccountingPolicyLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_NuplazidMember" name="NuplazidMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedIntrinsicValue1" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedIntrinsicValue1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_IpsenMember" name="IpsenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_StokeTherapeuticsIncMember" name="StokeTherapeuticsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_EquitySecuritiesFvNiUnrealizedGains" name="EquitySecuritiesFvNiUnrealizedGains" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="acad_CollaborativeArrangementsNonCashUpfrontPayment" name="CollaborativeArrangementsNonCashUpfrontPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_ExclusivityDeedMember" name="ExclusivityDeedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_SanDiegoMember" name="SanDiegoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_AccruedSalesAllowancesCurrent" name="AccruedSalesAllowancesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="acad_IncomeTaxExpensePermanentTaxDifferences" name="IncomeTaxExpensePermanentTaxDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_PrvLiability" name="PrvLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
<xsd:element id="acad_ResearchAndDevelopmentCreditCarryforwardsExpiringTwoThousandTwentyFourMember" name="ResearchAndDevelopmentCreditCarryforwardsExpiringTwoThousandTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_ScheduleOfSupplementalCashFlowRelatedToLeasesTableTextBlock" name="ScheduleOfSupplementalCashFlowRelatedToLeasesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="acad_CollaborationAgreementCostSplitsDescription" name="CollaborationAgreementCostSplitsDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
<xsd:element id="acad_IncomeTaxLineItems" name="IncomeTaxLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_IncomeTaxExpenseBrandedPharmaceuticalDrugFee" name="IncomeTaxExpenseBrandedPharmaceuticalDrugFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
<xsd:element id="acad_AssumptionsUsedToDetermineFairValueOptionsLineItems" name="AssumptionsUsedToDetermineFairValueOptionsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
<xsd:element id="acad_RegulatoryMilestonePayment" name="RegulatoryMilestonePayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
</xsd:schema>


1 Subsequent Filing that References this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 5/09/24  Acadia Pharmaceuticals Inc.       10-Q        3/31/24   62:7.2M                                   Donnelley … Solutions/FA


23 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/03/23  Acadia Pharmaceuticals Inc.       10-Q        6/30/23   66:10M                                    Donnelley … Solutions/FA
 2/28/23  Acadia Pharmaceuticals Inc.       10-K       12/31/22   79:15M                                    Donnelley … Solutions/FA
 2/07/23  Acadia Pharmaceuticals Inc.       S-8         2/07/23    7:268K                                   Donnelley … Solutions/FA
11/03/22  Acadia Pharmaceuticals Inc.       10-Q        9/30/22   60:9M                                     Donnelley … Solutions/FA
 8/09/22  Acadia Pharmaceuticals Inc.       10-Q        6/30/22   58:8.3M                                   Donnelley … Solutions/FA
 3/01/22  Acadia Pharmaceuticals Inc.       10-K       12/31/21   82:13M                                    Donnelley … Solutions/FA
 2/25/21  Acadia Pharmaceuticals Inc.       10-K       12/31/20   80:13M                                    ActiveDisclosure/FA
11/04/20  Acadia Pharmaceuticals Inc.       10-Q        9/30/20   60:7.1M                                   ActiveDisclosure/FA
 6/29/20  Acadia Pharmaceuticals Inc.       8-K:5,9     6/23/20   12:258K                                   Donnelley … Solutions/FA
 5/08/20  Acadia Pharmaceuticals Inc.       10-Q        3/31/20   59:6.7M                                   ActiveDisclosure/FA
 2/27/20  Acadia Pharmaceuticals Inc.       10-K       12/31/19   80:12M                                    ActiveDisclosure/FA
 2/27/19  Acadia Pharmaceuticals Inc.       10-K       12/31/18   71:13M                                    ActiveDisclosure/FA
11/06/18  Acadia Pharmaceuticals Inc.       10-Q        9/30/18   52:5M                                     ActiveDisclosure/FA
 2/28/17  Acadia Pharmaceuticals Inc.       10-K       12/31/16   71:8.9M                                   ActiveDisclosure/FA
 2/29/16  Acadia Pharmaceuticals Inc.       10-K       12/31/15   69:4.8M                                   Donnelley … Solutions/FA
 1/07/16  Acadia Pharmaceuticals Inc.       8-K:1,8,9   1/06/16    6:318K                                   Donnelley … Solutions/FA
12/15/15  Acadia Pharmaceuticals Inc.       8-K:5      12/09/15    3:385K                                   SEC Connect
 9/03/15  Acadia Pharmaceuticals Inc.       8-K:5,9     9/01/15    2:58K                                    Donnelley … Solutions/FA
 8/06/15  Acadia Pharmaceuticals Inc.       10-Q        6/30/15   43:1.7M                                   Donnelley … Solutions/FA
 9/12/13  Acadia Pharmaceuticals Inc.       8-K:5       9/06/13    2:179K                                   SEC Connect
 5/19/04  Acadia Pharmaceuticals Inc.       S-1/A       5/18/04    7:905K                                   Donnelley … Solutions/FA
 2/27/04  Acadia Pharmaceuticals Inc.       S-1                   17:3.1M                                   Donnelley … Solutions/FA
12/21/00  Acadia Pharmaceuticals Inc.       S-1                   28:1.7M                                   Toppan Merrill-FA2/FA
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