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

 6/30/06  Corporate Office Properties Trust NT 11-K    12/31/05    1:54K                                    Merrill Corp-MD/FA

Document/Exhibit                   Description                      Pages   Size 

 1: NT 11-K     Notice of Inability to Timely File A Form 11-K      HTML     41K 

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

 

FORM 12b-25

 

NOTIFICATION OF LATE FILING

 

	SEC File Number:
	1-14023
	CUSIP Number:
	22002T108

 

(Check one):		o Form 10-K		o Form 20-F		x Form 11-K		oForm 10-Q		o Form 10-D
		o Form N-SAR		o Form N-CSR

 

		For Period Ended:
		o Transition Report on Form 10-K
		o Transition Report on Form 20-F
		o Transition Report on Form 11-K
		o Transition Report on Form 10-Q
		o Transition Report on Form N-SAR
		For the Transition Period Ended:

 

 

Read Instructions (on back page) Before Preparing Form. Please Print or Type.
Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

 

If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates:

 

PART I — REGISTRANT INFORMATION

Corporate Office Properties Trust

Full Name of Registrant

Corporate Office Properties, L.P. Employee Retirement Savings Plan

Full Name of Plan:

N/A

Former Name if Applicable

8815 Centre Park Drive, Suite 400

Address of Principal Executive Office (Street and Number)

Columbia, Maryland 21045

City, State and Zip Code

PART II — RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate)

 

		(a)		The reason described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense;
x		(b)		The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K, Form N-SAR or Form N-CSR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the fifth calendar day following the prescribed due date; and
		(c)		The accountant’s statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.

 

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PART III — NARRATIVE

State below in reasonable detail why Forms 10-K, 20-F, 11-K, 10-Q, 10-D, N-SAR, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.

The Registrant has encountered unanticipated delays in the compilation of certain information necessary to complete the preparation of the financial statements and supplemental schedules of the Corporate Office Properties, L.P. Employee Retirement Savings Plan (the “Plan”).  As a result, the Registrant is unable to file the Plan’s Form 11-K in a timely manner without unreasonable effort and expense.  The Registrant intends to file the Plan’s Form 11-K within the timeframe mandated by Rule 12b-25.

PART IV — OTHER INFORMATION

 

(1)

Name and telephone number of person to contact in regard to this notification

 

Karen M. Singer, Vice President and General Counsel		(410)		992-7293
(Name)		(Area Code)		(Telephone Number)

 

(2)

Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed ? If answer is no, identify report(s).

 

				x Yes    o No
(3)		Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof?

 

				o Yes    x No
		If so: attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.

 

Corporate Office Properties Trust

(Name of Registrant as Specified in Charter)

has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.

Date		June 30, 2006		By		/s/ Randall M. Griffin
				Name:		Randall M. Griffin
				Title		President and Chief Executive Officer

 

INSTRUCTION: The form may be signed by an executive officer of the registrant or by any other duly authorized representative. The name and title of the person signing the form shall be typed or printed beneath the signature. If the statement is signed on behalf of the registrant by an authorized representative (other than an executive officer), evidence of the representative’s authority to sign on behalf of the registrant shall be filed with the form.

 

		ATTENTION
Intentional misstatements or omissions of fact constitute Federal Criminal Violations (See 18 U.S.C. 1001).

 

 

 

 

 

 

 

 

 

SEC 1344(05-06)

Persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.