<SEC-DOCUMENT>0001144204-15-030152-index.html : 20150513
<SEC-HEADER>0001144204-15-030152.hdr.sgml : 20150513
<ACCEPTANCE-DATETIME>20150513161124
ACCESSION NUMBER:		0001144204-15-030152
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20150513
DATE AS OF CHANGE:		20150513
EFFECTIVENESS DATE:		20150513

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CLEARSIGN COMBUSTION CORP
		CENTRAL INDEX KEY:			0001434524
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			WA

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-204129
		FILM NUMBER:		15858511

	BUSINESS ADDRESS:	
		STREET 1:		12870 INTERURBAN AVENUE SOUTH
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98168
		BUSINESS PHONE:		(206) 673-4848

	MAIL ADDRESS:	
		STREET 1:		12870 INTERURBAN AVENUE SOUTH
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98168
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>v410516_s8.htm
<DESCRIPTION>FORM S-8
<TEXT>
Document 1 - file: v410516_s8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>v410516_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: v410516_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>v410516_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 3 - file: v410516_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>image_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: image_001.jpg

</DOCUMENT>
</SEC-DOCUMENT>