<SEC-DOCUMENT>0001085601-16-000011.txt : 20160212
<SEC-HEADER>0001085601-16-000011.hdr.sgml : 20160212
<ACCEPTANCE-DATETIME>20160212164734
ACCESSION NUMBER:		0001085601-16-000011
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20160212
DATE AS OF CHANGE:		20160212

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
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-51779
		FILM NUMBER:		161420182

	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:			LASALLE INVESTMENT MANAGEMENT SECURITIES LLC
		CENTRAL INDEX KEY:			0001085601
		IRS NUMBER:				363991973
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		100 E PRATT STREET 20TH FLOOR
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202
		BUSINESS PHONE:		4108784800

	MAIL ADDRESS:	
		STREET 1:		100 E PRATT STREET 20TH FLOOR
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LASALLE INVESTMENT MANAGEMENT SECURITIES LP
		DATE OF NAME CHANGE:	19990430
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>ofc.txt
<TEXT>

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934


Corporate Office Properties
(Name of Issuer)

Common Stock
(Title of Class of Securities)

22002T108
(CUSIP Number)

December 31, 2015


Check the appropriate box to designate the rule pursuant to
which this Schedule is filed:
*	Rule 13d-1(b)
	Rule 13d-1(c)
	Rule 13d-1(d)



Page 1 of 8 Pages


1
NAME OF REPORTING PERSON:
LaSalle Investment Management Securities, LLC

S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON:
36-3991973

2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

Not applicable


3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Maryland

5
SOLE VOTING POWER

299,800

NUMBER
OF SHARES
BENEFICIALLY
OWNED BY

6 SHARED VOTING POWER
0

7  EACH REPORTING PERSON WITH
SOLE DISPOSITIVE POWER
5,623,597


8 SHARED DISPOSITIVE POWER
0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

5,623,597

10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES*
Not applicable

11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

5.95%

12
TYPE OF REPORTING PERSON*
IA



Item 1.
     	(a)	Name of Issuer
     		Corporate Office Properties

	(b)	Address of Issuer's Principal Executive
		Offices
		6711 Columbia Gateway Drive Suite 300
		Columbia, MD 21046-2104

Item 2.
     LaSalle Investment Management, Inc. provides the following
information:
     	(a)	Name of Person Filing
		LaSalle Investment Management Securities, LLC

	(b)	Address of Principal Business Office or, if none,
Residence
		100 East Pratt Street
		Baltimore, MD 21202

	(c)	Citizenship
		Maryland

	(d)	Title of Class of Securities

		Common Stock, $.01 par value per share

	(e)	CUSIP Number

		22002T108

	Item 3.		If this statement is filed pursuant to Rule
 13d-1(b), or 13d-2(b), check
whether the person filing is a:
      (a)		Broker or Dealer registered under Section
			15 of the Act
      (b)		Bank as defined in Section 3(a)(6) of the
 			Act
      (c)		Insurance Company as defined in Section 3
			(a)(19) of the Act
      (d)		Investment Company registered under Section 8 of
			the Investment Company
			Act
	(e)	*	Investment Adviser registered under Section 203 of
 			the Investment Advisers
			Act of 1940
	(f)		Employee Benefit Plan, Pension Fund which is subject
 			to the provisions of
			the Employee Retirement Income Security Act of 1974 or
			 Endowment Fund;
see 240.13d-1(b)(1)(ii)(F)
(g)Parent Holding Company, in accordance with 240.13d-1
(b)(ii)(G) (Note:  See Item 7)
(h)		A savings association as defined in section 3(b)
of the Federal Deposit
Insuranc Act
(i)		A church plan that is excluded from the definition
 of an investment company
under section 3(c)(14) of the Investment Company Act of 1940
(j)		Group, in accordance with ?240.13d-1(b)-1(ii)(J)


Item 4.	Ownership
     Provide the following information regarding the aggregate
number and percentage of the
class of securities of the issuer identified in Item 1.

(a)	Amount Beneficially Owned
      	5,623,597

(b)	Percent of Class
      	5.9%

(c)	Number of shares as to which such person has:

	(i)sole power to vote or to direct the vote
      		299,800

	(ii)	shared power to vote or to direct the vote
      		0

	(iii)	sole power to dispose or to direct the disposition of
      		5,623,597

	(iv)	shared power to dispose or to direct the disposition
                of
      		0
Item 5.	Ownership of Five Percent or Less of a Class
     If this statement is being filed to report the fact that
as of the date hereof the reporting
person has ceased to be the beneficial owner of more than five
 percent of the class of securities,
check the following.


Item 6.	Ownership of More than Five Percent on Behalf of Another
 Person

      	Not applicable.

Item 7.	Identification and Classification of the Subsidiary
Which Acquired the Security
Being Reported on By the Parent Holding Company

      	Not applicable.

Item 8.	Identification and Classification of Members of the Group

      	Not applicable.

Item 9.	Notice of Dissolution of Group

      	Not applicable.


Item 10.	Certification
     	By signing below I certify that, to the best of my knowledge
 and belief, the securities
referred to above were acquired in the ordinary course of business
and were not acquired for the
purpose of and do not have the effect of changing or influencing
the control of the issuer of such
securities and were not acquired in connection with or as a
participant in any transaction having
such purposes or effect.




SIGNATURE

After reasonable inquiry and to the best of my knowledge
and belief, I certify that the
information set forth in this Statement is true, complete and
correct.


Dated:	February 10, 2016



LASALLE INVESTMENT
MANAGEMENT
SECURITIES, LLC


By:/s/ Marci S. McCready
Name:	Marci S. McCready
Title:	Vice President


</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
