Xitronix Corporation v. KLA-Tencor Corporation

  1. May 23, 2019

    KLA-Tencor Didn't Engage In Patent Fraud, Fed. Circ. Affirms

    KLA-Tencor Corp. did not fraudulently obtain a semiconductor measurement system patent, the Federal Circuit affirmed Thursday, just one day after particularly no-nonsense oral arguments.

  2. May 22, 2019

    'Smarmy' Behavior Not Exactly Fraud, Fed. Circ. Judge Says

    A Federal Circuit judge laid into attorneys Wednesday as she heard arguments in a patent fraud case, saying at one point that even though she was unsure alleged omissions in a patent application rose to the level of fraud, she had grounded her children for omitting less.

  3. March 14, 2019

    Fed. Circ. Ends Ping-Pong With 5th Circ. On IP Antitrust Suit

    The Federal Circuit on Thursday agreed to hear Xitronix's antitrust suit alleging patent fraud against KLA-Tencor after shunting the case to the Fifth Circuit, concluding that because the decision could impact the patent's enforceability, jurisdiction over the case was "not implausible" as it had earlier ruled.

  4. June 15, 2018

    Full Fed. Circ. Won't Rethink Patent Antitrust Row Transfer

    The full Federal Circuit refused Friday to rethink a panel decision transferring an antitrust dispute to the Fifth Circuit, upholding findings of a lack of jurisdiction over alleged fraud on the U.S. Patent and Trademark Office but drawing a sharp rebuke from the Federal Circuit's longest-serving member.

  5. February 09, 2018

    Fed. Circ. Says It Can't Hear Antitrust Appeal In Patent Feud

    The Federal Circuit transferred an antitrust dispute in a long-running patent battle to the Fifth Circuit on Friday after finding that a claim involving a company's alleged fraud on the U.S. Patent and Trademark Office to obtain market power did not fall within the court's exclusive purview over patent appeals.

  6. October 02, 2017

    Fed. Circ. Hesitant To Wade Into Antitrust Aspect Of IP Feud

    A Federal Circuit panel ordered further briefing Monday on whether it has jurisdiction over a nixed antitrust claim in a long-running patent battle regarding advanced measurement systems for semiconductors, with one judge saying he worried he was being pushed to create a circuit split.

  7. November 30, 2016

    Xitronix Wants Fed. Circ. To Rethink Patent Antitrust Claim

    Xitronix Corp. on Tuesday asked the Federal Circuit to give new life to an antitrust claim in a long-running patent battle with KLA-Tencor Corp. over advanced measurement systems for semiconductors, arguing the U.S. Patent and Trademark Office didn't "do its job" when it issued KLA a continuation patent.

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