Prepared by MERRILL CORPORATION
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) January 30, 2002

CORPORATE OFFICE PROPERTIES TRUST
(Exact name of registrant as specified in its charter)

Maryland
(State or other jurisdiction of
incorporation)		   0-20047
(Commission
File Number)		   23-2947217
(IRS Employer
Identification Number)

8815 Centre Park Drive, Suite 400
Columbia, Maryland 21045
(Address of principal executive offices)

(410) 730-9092
(Registrant's telephone number, including area code)


Item 7.    Financial Statements and Exhibits

        The information contained in the attached exhibit is unaudited and should be read in conjunction with the Registrant's annual and quarterly reports filed with the Securities and Exchange Commission.

Exhibit Number
   Description
99.1   Supplemental information dated December 31, 2001 for Corporate Office Properties Trust.


Item 9.    Regulation FD Disclosure

        In connection with its release of earnings on January 30, 2002, the Registrant is making available certain additional information pertaining to its properties and operations as of and for the period ended December 31, 2001. This information is filed herewith as Exhibit 99.1 and is incorporated herein by reference.


SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: January 30, 2002

    CORPORATE OFFICE PROPERTIES TRUST

 
 
By:
/s/  RANDALL M. GRIFFIN      
Name: Randall M. Griffin
Title: President and Chief Operating Officer

 
 
By:
/s/  ROGER A. WAESCHE, JR.      
Name: Roger A. Waesche, Jr.
Title: Chief Financial Officer

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