FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * SWEENEY GERARD H   2. Issuer Name and Ticker or Trading Symbol BRANDYWINE REALTY TRUST [BDN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 555 EAST LANCASTER AVENUE, SUITE 100 3. Date of Earliest Transaction (Month/Day/Year) 12/28/2012 (Street) RADNOR, PA 19087 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Series D Cumulative Redeemable Preferred Shares (1) 12/28/2012   J   1,500 D $ 25 0 D   Common Shares of Beneficial Interest (2)               863,718 (3) D   Common Shares of Beneficial Interest (4)               190,759 I Family Limited Partnership

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SWEENEY GERARD H 555 EAST LANCASTER AVENUE SUITE 100 RADNOR, PA 19087	X		President and CEO

Signatures

/s/ Gerard H. Sweeney		01/02/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The reported securities were called for redemption by the issuer at a price equal to their face value.
(2)	There was no Common Share transaction on the above date. The Common Share ownership is being disclosed for informational purposes only.
(3)	This filing also reports in the ending balance of shares owned the sum of 1460.56 additional common shares acquired under the Company's Employee Share Purchase Plan (ESPP) plus the sum of 357.81 common shares acquired under the Company's Dividend Reinvestment Plan (DRIP).The ESPP and the DRIP shares were purchased following the Reporting Person's last Section 16 filing. Under the ESPP 1460.56 shares were acquired on December 4, 2012 at a transaction price of $10.27 per share. Under the DRIP 357.81 shares were acquired on October 24, 2012 at a transaction price of $12.48 per share.
(4)	There was no indirect transaction on the above date. The indirect ownership is being disclosed for informational purposes only.

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