<SUBMISSION>
<ACCESSION-NUMBER>0000950134-09-000585
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20090109
<ITEMS>5.02
<FILING-DATE>20090115
<DATE-OF-FILING-DATE-CHANGE>20090115
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>LAM RESEARCH CORP
<CIK>0000707549
<ASSIGNED-SIC>3559
<IRS-NUMBER>942634797
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>0630
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-12933
<FILM-NUMBER>09528987
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>4650 CUSHING BLVD
<CITY>FREMONT
<STATE>CA
<ZIP>94538
<PHONE>5106590200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>4650 CUSHING PARKWAY
<CITY>FREMONT
<STATE>CA
<ZIP>94538
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>f51063e8vk.htm
<DESCRIPTION>FORM 8-K
<TEXT>
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<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM 8-K</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>Current Report Pursuant to Section&nbsp;13 or 15(d) of the<BR>
Securities Exchange Act of 1934</B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Date
of report (Date of earliest event reported): January&nbsp;9, 2009</B></DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>LAM RESEARCH CORPORATION</B>
</DIV>

<DIV align="center" style="font-size: 10pt"><I>(Exact name of registrant as specified in its charter)</I></DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Delaware</B><BR>
<I>(State or Other Jurisdiction of Incorporation)</I></DIV>

<DIV align="center">
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    <TD align="center" valign="top"><B>0-12933</B><BR>
<I>(Commission File Number)</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>94-2634797</B><BR>
<I>(IRS Employer Identification Number)</I></TD>
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</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>4650 Cushing Parkway<BR>
Fremont, California 94538</B><BR>
<I>(Address of principal executive offices including zip code)</I></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>(510)&nbsp;572-0200</B><BR>
<I>(Registrant&#146;s telephone number, including area code)</I></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Not Applicable</B><BR>
<I>(Former name or former address, if changed since last report)</I></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the
filing obligation of the registrant under any of the following provisions (see General Instruction
A.2. below):
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT>&nbsp;&nbsp;&nbsp;Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT>&nbsp;&nbsp;&nbsp;Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT>&nbsp;&nbsp;&nbsp;Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT>&nbsp;&nbsp;&nbsp;Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><B>Item&nbsp;5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain
Officers; Compensatory Arrangements of Certain Officers.</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">(c)&nbsp;Effective
January&nbsp;9, 2009, Ernest E. Maddock assumed the duties of principal accounting
officer for Lam Research Corporation (the &#147;Company&#148;).
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mr.&nbsp;Maddock, 50, who has served as the Company&#146;s Senior Vice President and Chief Financial
Officer since September&nbsp;29, 2008, joined the Company in 1997 as Director of Global Sales Finance,
was elevated to General Manager, Global Spares Business in 1998, was promoted to Vice President of
the Customer Support Business Group in 2000, was promoted to Group Vice President of Global
Operations in 2003, and named Senior Vice President of Global Operations in 2007, in which he
oversaw numerous corporate functions including Global Supply Chain, Production Operations,
Corporate Quality, Information Technology, Global Security, and Global Real Estate and Facilities.
Additionally, Mr.&nbsp;Maddock continues to head Bullen Semiconductor, a division of the Company. Prior
to his employment with the Company, Mr.&nbsp;Maddock served as Chief Financial Officer of various
divisions of NCR Corporation, including its Software Products Division and previously held a
variety of executive roles in finance and operations in several industries, including commercial
real estate and telecommunications.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mr.&nbsp;Maddock will receive no additional compensation for his service as the Company&#146;s principal
accounting officer over and above the compensation that he currently receives, which has been
previously disclosed.
</DIV>

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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused
this report to be signed on its behalf by the undersigned hereunto duly authorized.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Date:
January&nbsp;15, 2009
</DIV>


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    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">LAM RESEARCH CORPORATION<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ George M. Schisler, Jr.
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">George M. Schisler, Jr.&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left"><I>Vice President, General Counsel and Secretary</I>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
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    <TD colspan="5">&nbsp;</TD>
</TR>
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