<SEC-DOCUMENT>0001104659-23-120757-index.html : 20231122
<SEC-HEADER>0001104659-23-120757.hdr.sgml : 20231122
<ACCEPTANCE-DATETIME>20231122161720
ACCESSION NUMBER:		0001104659-23-120757
CONFORMED SUBMISSION TYPE:	424B7
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20231122
DATE AS OF CHANGE:		20231122

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COPT DEFENSE PROPERTIES
		CENTRAL INDEX KEY:			0000860546
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				232947217
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B7
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-264198
		FILM NUMBER:		231433710

	BUSINESS ADDRESS:	
		STREET 1:		6711 COLUMBIA GATEWAY DRIVE
		STREET 2:		SUITE 300
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21046
		BUSINESS PHONE:		4432855400

	MAIL ADDRESS:	
		STREET 1:		6711 COLUMBIA GATEWAY DRIVE
		STREET 2:		SUITE 300
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21046

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORPORATE OFFICE PROPERTIES TRUST
		DATE OF NAME CHANGE:	19980514

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORPORATE OFFICE PROPERTIES TRUST INC
		DATE OF NAME CHANGE:	19980105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROYALE INVESTMENTS INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B7
<SEQUENCE>1
<FILENAME>tm2331262-1_424b7.htm
<DESCRIPTION>424B7
<TEXT>
Document 1 - file: tm2331262-1_424b7.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>2
<FILENAME>tm2331262d2_ex-filingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 2 - file: tm2331262d2_ex-filingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>lg_coptdefenseprop-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: lg_coptdefenseprop-4c.jpg

</DOCUMENT>
</SEC-DOCUMENT>