<SEC-DOCUMENT>0001193125-15-050299-index.html : 20150213
<SEC-HEADER>0001193125-15-050299.hdr.sgml : 20150213
<ACCEPTANCE-DATETIME>20150213170301
ACCESSION NUMBER:		0001193125-15-050299
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20150213
DATE AS OF CHANGE:		20150213
EFFECTIVENESS DATE:		20150213

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LAM RESEARCH CORP
		CENTRAL INDEX KEY:			0000707549
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				942634797
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-202110
		FILM NUMBER:		15616001

	BUSINESS ADDRESS:	
		STREET 1:		4650 CUSHING BLVD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		5106590200

	MAIL ADDRESS:	
		STREET 1:		4650 CUSHING PARKWAY
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>d828450ds3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: d828450ds3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>d828450dex41.htm
<DESCRIPTION>EX-4.1
<TEXT>
Document 2 - file: d828450dex41.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>d828450dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 3 - file: d828450dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12.1
<SEQUENCE>4
<FILENAME>d828450dex121.htm
<DESCRIPTION>EX-12.1
<TEXT>
Document 4 - file: d828450dex121.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>d828450dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 5 - file: d828450dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25.1
<SEQUENCE>6
<FILENAME>d828450dex251.htm
<DESCRIPTION>EX-25.1
<TEXT>
Document 6 - file: d828450dex251.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g828450g03u87.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g828450g03u87.jpg

</DOCUMENT>
</SEC-DOCUMENT>