<SEC-DOCUMENT>0001104659-16-097060-index.html : 20160216
<SEC-HEADER>0001104659-16-097060.hdr.sgml : 20160215
<ACCEPTANCE-DATETIME>20160216093311
ACCESSION NUMBER:		0001104659-16-097060
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20160216
DATE AS OF CHANGE:		20160216

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-51779
		FILM NUMBER:		161423802

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BROOKFIELD INVESTMENT MANAGEMENT INC.
		CENTRAL INDEX KEY:			0001273887
		IRS NUMBER:				133519673
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		BROOKFIELD PLACE
		STREET 2:		250 VESEY STREET, 15TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10281-1023
		BUSINESS PHONE:		2125498400

	MAIL ADDRESS:	
		STREET 1:		BROOKFIELD PLACE
		STREET 2:		250 VESEY STREET, 15TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10281-1023

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Brookfield Investment Management Inc.
		DATE OF NAME CHANGE:	20091001

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Hyperion Brookfield Asset Management, Inc.
		DATE OF NAME CHANGE:	20090716

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HYPERION CAPITAL MANAGEMENT INC
		DATE OF NAME CHANGE:	20031218
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>a16-4367_12sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: a16-4367_12sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>