<SEC-DOCUMENT>0001047469-18-003138-index.html : 20180425
<SEC-HEADER>0001047469-18-003138.hdr.sgml : 20180425
<ACCEPTANCE-DATETIME>20180425080438
ACCESSION NUMBER:		0001047469-18-003138
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20180620
FILED AS OF DATE:		20180425
DATE AS OF CHANGE:		20180425
EFFECTIVENESS DATE:		20180425

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Equity Commonwealth
		CENTRAL INDEX KEY:			0000803649
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				046558834
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09317
		FILM NUMBER:		18772765

	BUSINESS ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 2100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312.646.2800

	MAIL ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 2100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CommonWealth REIT
		DATE OF NAME CHANGE:	20100702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HRPT PROPERTIES TRUST
		DATE OF NAME CHANGE:	19980701

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEALTH & RETIREMENT PROPERTIES TRUST
		DATE OF NAME CHANGE:	19940811
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>a2235273zdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: a2235273zdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g948094.jpg
<DESCRIPTION>G948094.JPG
<TEXT>
Document 2 - file: g948094.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g937030.jpg
<DESCRIPTION>G937030.JPG
<TEXT>
Document 3 - file: g937030.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g537385.jpg
<DESCRIPTION>G537385.JPG
<TEXT>
Document 4 - file: g537385.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g333044.jpg
<DESCRIPTION>G333044.JPG
<TEXT>
Document 5 - file: g333044.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g24843.jpg
<DESCRIPTION>G24843.JPG
<TEXT>
Document 6 - file: g24843.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g230801.jpg
<DESCRIPTION>G230801.JPG
<TEXT>
Document 7 - file: g230801.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g1024098.jpg
<DESCRIPTION>G1024098.JPG
<TEXT>
Document 8 - file: g1024098.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g304283.jpg
<DESCRIPTION>G304283.JPG
<TEXT>
Document 9 - file: g304283.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g196905.jpg
<DESCRIPTION>G196905.JPG
<TEXT>
Document 10 - file: g196905.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g851763.jpg
<DESCRIPTION>G851763.JPG
<TEXT>
Document 11 - file: g851763.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g91056.jpg
<DESCRIPTION>G91056.JPG
<TEXT>
Document 12 - file: g91056.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g660703.jpg
<DESCRIPTION>G660703.JPG
<TEXT>
Document 13 - file: g660703.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g255150.jpg
<DESCRIPTION>G255150.JPG
<TEXT>
Document 14 - file: g255150.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g28212bgi001.gif
<DESCRIPTION>G28212BGI001.GIF
<TEXT>
Document 15 - file: g28212bgi001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g28212bgi002.gif
<DESCRIPTION>G28212BGI002.GIF
<TEXT>
Document 16 - file: g28212bgi002.gif

</DOCUMENT>
</SEC-DOCUMENT>