If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box. þ

     If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), check the following box. o

     Securities Act registration statement file number to which this form relates (if applicable): N/A

     Securities to be registered pursuant to Section 12(g) of the Act: None

     For a description of the common stock, par value $0.001 per share, of SeraCare Life Sciences, Inc. (the “REGISTRANT”) to be registered hereunder (the “SECURITIES”), reference is made to the information set forth under the caption “Description of Capital Stock “ in the prospectus that constitutes a part of the Registrant’s registration statement on Form S-1 originally filed on June 19, 2008 with the Securities and Exchange Commission (File No. 333-151773), as may be further amended from time to time, which information is incorporated by reference herein. Any form of prospectus subsequently filed by the Registrant pursuant to Rule 424(b) under the Securities Act which includes a description of the Securities to be registered hereunder shall also be deemed to be incorporated by reference herein.

     Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.