<SEC-DOCUMENT>0001047469-15-005560-index.html : 20150618
<SEC-HEADER>0001047469-15-005560.hdr.sgml : 20150618
<ACCEPTANCE-DATETIME>20150618160526
ACCESSION NUMBER:		0001047469-15-005560
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		10
FILED AS OF DATE:		20150618
DATE AS OF CHANGE:		20150618
EFFECTIVENESS DATE:		20150618

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:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-205055
		FILM NUMBER:		15940265

	BUSINESS ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312.646.2800

	MAIL ADDRESS:	
		STREET 1:		TWO NORTH RIVERSIDE PLAZA
		STREET 2:		SUITE 600
		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
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<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>a2225152zs-3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: a2225152zs-3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>a2225152zex-4_1.htm
<DESCRIPTION>EX-4.1
<TEXT>
Document 2 - file: a2225152zex-4_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>3
<FILENAME>a2225152zex-4_2.htm
<DESCRIPTION>EX-4.2
<TEXT>
Document 3 - file: a2225152zex-4_2.htm

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<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>4
<FILENAME>a2225152zex-5_1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 4 - file: a2225152zex-5_1.htm

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<DOCUMENT>
<TYPE>EX-8.1
<SEQUENCE>5
<FILENAME>a2225152zex-8_1.htm
<DESCRIPTION>EX-8.1
<TEXT>
Document 5 - file: a2225152zex-8_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12.1
<SEQUENCE>6
<FILENAME>a2225152zex-12_1.htm
<DESCRIPTION>EX-12.1
<TEXT>
Document 6 - file: a2225152zex-12_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>7
<FILENAME>a2225152zex-23_1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 7 - file: a2225152zex-23_1.htm

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<SEQUENCE>8
<FILENAME>g948094.jpg
<DESCRIPTION>G948094.JPG
<TEXT>
Document 8 - file: g948094.jpg

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<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g143182kgi001.jpg
<DESCRIPTION>G143182KGI001.JPG
<TEXT>
Document 9 - file: g143182kgi001.jpg

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<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g143182kmi001.jpg
<DESCRIPTION>G143182KMI001.JPG
<TEXT>
Document 10 - file: g143182kmi001.jpg

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