KLA-Tencor Federal Litigation Filings

In re KLA-Tencor Corp., Shareholder Derivative Litigation

Filed: May 26, 2006 as 5:2006cv03445
Court: California Northern District Court
Nature of Suit: Securities/Commodities/Exchanges

HSD Corporation v. KLA-Tencor Corporation

Filed: April 24, 2006 as 3:2006cv02778
Court: California Northern District Court
Nature of Suit: Other Contract

Kla-Tencor Corporation v. Verity Instruments Inc et al

Filed: January 3, 2006 as 3:2006cv00005
Court: Texas Northern District Court
Nature of Suit: Patent

HSD Corporation v. KLA-TENCOR Corporation

Filed: September 19, 2005 as 2:2005cv00286
Court: Washington Eastern District Court
Nature of Suit: Other Contract

KLA-Tencor Corporation v. Nanometrics Inc.

Filed: August 1, 2005 as 3:2005cv03116
Court: California Northern District Court
Nature of Suit: Patent

KLA-Tencor Corporation v. National Union Fire Insurance Company of Pittsburgh, PA et al

Filed: July 29, 2005 as 5:2005cv03092
Court: California Northern District Court
Nature of Suit: Insurance

General Nanotechnology, LLC v. KLA-Tencor Corporation et al

Filed: April 6, 2005 as 3:2005cv01403
Court: California Northern District Court
Nature of Suit: Patent

ADE CORP V KLA-TENCOR CORP

Filed: March 12, 2004 as 04-1270
Court: U.S. Court of Appeals, Federal Circuit
Defendant-Appellee: KLA-TENCOR CORPORATION
Plaintiff-Appellant: ADE CORPORATION