Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
ARCHER TIMOTHY
  2. Issuer Name and Ticker or Trading Symbol
LAM RESEARCH CORP [LRCX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Operating Officer
(Last)
(First)
(Middle)
C/O LAM RESEARCH CORPORATION, 4650 CUSHING PARKWAY
3. Date of Earliest Transaction (Month/Day/Year)
06/04/2012
(Street)

FREMONT, CA 94538
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 06/04/2012   A   145,468 (3) A (1) 0 D  
Common Stock 06/04/2012   A   4,227 A (2) 0 I By 401(k)
Common Stock 06/04/2012   A   500 A (2) 150,195 (3) I By Spouse 401(k)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) $ 36.29 06/04/2012   A   22,500   11/15/2005 12/18/2013 Common Stock 22,500 (4) 0 D  
Stock Option (right to buy) $ 27.77 06/04/2012   A   18,000   11/15/2005 06/11/2014 Common Stock 18,000 (5) 0 D  
Stock Option (right to buy) $ 24.43 06/04/2012   A   33,750   12/16/2008 12/16/2014 Common Stock 33,750 (6) 0 D  
Stock Option (right to buy) $ 29.68 06/04/2012   A   73,125   12/14/2010 12/14/2016 Common Stock 73,125 (7) 0 D  
Stock Option (right to buy) $ 23.25 06/04/2012   A   56,250   12/13/2011 12/13/2017 Common Stock 56,250 (8) 0 D  
Stock Option (right to buy) $ 11.09 06/04/2012   A   42,188     (9) 12/18/2018 Common Stock 42,188 (10) 0 D  
Stock Option (right to buy) $ 21.28 06/04/2012   A   84,375     (11) 12/17/2019 Common Stock 84,375 (12) 0 D  
Stock Option (right to buy) $ 29.34 06/04/2012   A   40,500     (13) 12/16/2020 Common Stock 40,500 (14) 0 D  
Stock Option (right to buy) $ 22.01 06/04/2012   A   45,000   12/15/2009 12/15/2015 Common Stock 45,000 (15) 415,688 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ARCHER TIMOTHY
C/O LAM RESEARCH CORPORATION
4650 CUSHING PARKWAY
FREMONT, CA 94538
      Chief Operating Officer  

Signatures

 Kym Hall by Power of Attorney   06/07/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Acquired in connection with the merger of BLMS Inc. ("Merger Sub"), a wholly owned subsidiary of Lam Research Corporation ("Lam Research"), with and into Novellus Systems, Inc. ("Novellus"), pursuant to the terms of the Agreement and Plan of Merger by and among Merger Sub, Lam Research and Novellus dated December 14, 2011 (the "Merger"). In connection with the Merger, Mr. Archer received 145,468 shares of Lam Research common stock in exchange for 129,306 shares of Novellus common stock. On June 4, 2012, the effective date of the Merger, the closing price of Lam Research's common stock was $35.99 and the closing price of Novellus' common stock was $40.39 per share.
(2) Acquired in connection with the Merger. The indirect holdings of the 401(k) are held in the Company unitized stock fund.
(3) Amount reported includes shares subject to unvested Restricted Stock Units.
(4) Received in the Merger in exchange for an employee stock option to acquire 20,000 shares of Novellus common stock for $40.82 per share.
(5) Received in the Merger in exchange for an employee stock option to acquire 16,000 shares of Novellus common stock for $31.24 per share.
(6) Received in the Merger in exchange for an employee stock option to acquire 30,000 shares of Novellus common stock for $27.48 per share.
(7) Received in the Merger in exchange for an employee stock option to acquire 65,000 shares of Novellus common stock for $33.39 per share.
(8) Received in the Merger in exchange for an employee stock option to acquire 50,000 shares of Novellus common stock for $26.15 per share.
(9) The option vests fully on August 18, 2012.
(10) Received in the Merger in exchange for an employee stock option to acquire 37,500 shares of Novellus common stock for $12.47 per share.
(11) The option vests in three equal annual installments beginning December 17, 2011.
(12) Received in the Merger in exchange for an employee stock option to acquire 75,000 shares of Novellus common stock for $23.93 per share.
(13) The option vests in four equal annual installments beginning December 16, 2011.
(14) Received in the Merger in exchange for an employee stock option to acquire 36,000 shares of Novellus common stock for $33.00 per share.
(15) Received in the Merger in exchange for an employee stock option to acquire 40,000 shares of Novellus common stock for $24.76 per share.

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