Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-84638 and 333-185641) of Lam Research Corporation of our report dated June 20, 2014, with respect to the statements of net assets available for benefits of the Savings Plus Plan, Lam Research 401(k) as of December 31, 2013 and 2012, the related statement of changes in net assets available for benefits for the year ended December 31, 2013, the related supplemental Schedule H, line 4i-Schedule of Assets (Held at End of Year) as of December 31, 2013, which report appears in the December 31, 2013 Annual Report on Form 11-K of the Savings Plus Plan, Lam Research 401(k).

/s/ MOSS ADAMS LLP

MOSS ADAMS LLP

Campbell, California

June 20, 2014