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    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		17
    CONFORMED PERIOD OF REPORT:	20171108
    FILED AS OF DATE:		20170928
    DATE AS OF CHANGE:		20170928
    EFFECTIVENESS DATE:		20170928

    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:			0625

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    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-12933
    		FILM NUMBER:		171107631

    	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
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