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    ACCESSION NUMBER:		0001104659-22-040954
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		61
    CONFORMED PERIOD OF REPORT:	20220512
    FILED AS OF DATE:		20220331
    DATE AS OF CHANGE:		20220331

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CORPORATE OFFICE PROPERTIES TRUST
    		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:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-14023
    		FILM NUMBER:		22791757

    	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 INC
    		DATE OF NAME CHANGE:	19980105

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ROYALE INVESTMENTS INC
    		DATE OF NAME CHANGE:	19930328

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ROYALE REIT INC
    		DATE OF NAME CHANGE:	19600201
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    Document 8 - file: ic_mobilephone-ko.gif

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    Document 9 - file: ic_mobilephone-pn.jpg

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    Document 10 - file: ic_qrcode-ko.gif

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    Document 12 - file: ic_recorddate-pn.jpg

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    Document 13 - file: ic_wifi-ko.gif

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    Document 14 - file: ic_wifi-pn.jpg

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    Document 15 - file: lg_copt-bw.jpg

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    Document 17 - file: ph_letitialong-4c.jpg

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    Document 20 - file: ph_raymondowens-4c.jpg

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    Document 21 - file: ph_robertdenton-4c.jpg

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    Document 22 - file: ph_stephenbudorick-4c.jpg

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    Document 23 - file: ph_stevenkesler-4c.jpg

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    Document 24 - file: ph_taylorpickett-4c.jpg

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    Document 25 - file: ph_thomasbrady-4c.jpg

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    Document 27 - file: sg_davidfinch-bw.jpg

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    Document 28 - file: sg_stephenebudorick-bw.jpg

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    Document 29 - file: tm223419d1-bc_ceopaypn.jpg

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    Document 30 - file: tm223419d1-bc_ceoperpaypn.jpg

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    Document 31 - file: tm223419d1-bc_nomineepn.jpg

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    Document 34 - file: tm223419d1-icon_affairspn.jpg

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    Document 37 - file: tm223419d1-icon_expertpn.jpg

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    <FILENAME>tm223419d1-icon_financpn.jpg
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    Document 38 - file: tm223419d1-icon_financpn.jpg

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    Document 40 - file: tm223419d1-icon_goverpn.jpg

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    <FILENAME>tm223419d1-icon_leaderpn.jpg
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    Document 41 - file: tm223419d1-icon_leaderpn.jpg

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    <FILENAME>tm223419d1-icon_locationpn.jpg
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    Document 42 - file: tm223419d1-icon_locationpn.jpg

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    Document 43 - file: tm223419d1-icon_logos4clr.jpg

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    Document 44 - file: tm223419d1-icon_notewppn.jpg

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    <FILENAME>tm223419d1-icon_planingpn.jpg
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    Document 45 - file: tm223419d1-icon_planingpn.jpg

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    <FILENAME>tm223419d1-icon_publicpn.jpg
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    Document 46 - file: tm223419d1-icon_publicpn.jpg

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    Document 47 - file: tm223419d1-icon_realspn.jpg

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    <FILENAME>tm223419d1-icon_riskpn.jpg
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    Document 48 - file: tm223419d1-icon_riskpn.jpg

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    Document 49 - file: tm223419d1-icon_starpn.jpg

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    Document 51 - file: tm223419d1-pc_ltipawardpn.jpg

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    Document 55 - file: tm223419d1-tb_highlightspn.jpg

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    <FILENAME>tm223419d2-icon_chairpn.jpg
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    Document 56 - file: tm223419d2-icon_chairpn.jpg

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    Document 57 - file: tm223419d2-icon_dontpn.jpg

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    Document 58 - file: tm223419d2-icon_dopn.jpg

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    Document 59 - file: tm223419d2-icon_forpn.gif

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    <FILENAME>tm223419d2-icon_reddotpn.jpg
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    Document 60 - file: tm223419d2-icon_reddotpn.jpg

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