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Valve Corporation v. Rothschild et al

  1. February 26, 2026

    Defense Atty In Valve Patent Troll Trial Says He Never Used AI

    An intellectual property attorney who defended inventor Leigh Rothschild in a landmark patent-trolling trial has denied allegations that his firm used artificial intelligence to prep a pretrial brief, according to a Thursday filing, following a Seattle federal jury's Feb. 17 verdict in favor of plaintiff video game company Valve Corp.

  2. February 20, 2026

    Valve's Anti-Troll Law Win Could Open New Doors

    The first jury verdict in the U.S. finding a patent owner violated state law meant to curb bad faith patent suits had unique circumstances that will be hard to repeat, but attorneys say Tuesday's decision still has them considering the little-used laws more closely.

  3. February 17, 2026

    Valve Jury Says Rothschild, Atty Broke Anti-Patent Troll Law

    Inventor Leigh Rothschild, his companies and his former attorney broke Washington state's anti-patent trolling law by making a bad faith assertion of patent infringement against video game developer Valve Corp., and Rothschild and his companies breached an intellectual property licensing deal in the process, a Seattle federal jury found on Tuesday. 

  4. February 10, 2026

    Valve's Trial Against Accused Patent Troll Begins In Seattle

    Valve Corp. told a Seattle federal jury Tuesday that inventor Leigh Rothschild and his intellectual property firms spent years "harassing" the video game company over patents it was already licensed to use in pursuit of a bigger payout, pressing play on a trial that will test Washington's Patent Troll Prevention Act.

  5. February 09, 2026

    Judge OKs Sanctions In Valve Fight, Warns More May Come

    A Seattle federal judge on Monday granted video game maker Valve Corp.'s request to sanction a rival litigant over discovery violations just ahead of a trial on the company's allegations of bad faith patent infringement claims, and threatened to issue more over a legal brief that contained fake quotes and fabricated citations generated by artificial intelligence.

  6. January 29, 2026

    Valve Scores Partial Win As Its Patent Troll Claims Near Trial

    A Seattle federal judge found Wednesday that inventor Leigh Rothschild breached an intellectual property licensing deal by leveling bogus infringement claims against Valve Corp. in 2022 but left other key questions for jurors to consider when the video game company's patent trolling case heads to trial next month.

  7. November 12, 2025

    Valve Suggests AI Created Quotes, Cases In Patent 'Troll' Feud

    Video game company Valve Corp. has told a Washington federal court that a patent licensing company's filings seeking to exclude Valve's experts contained quotes and case citations that were nonexistent, suggesting the filings may have been made using artificial intelligence.

  8. October 31, 2025

    Valve Wants Sanctions In 'Patent Troll' Suit In Wash.

    Video game company Valve Corp. has asked for sanctions against a patent-licensing company executive in a lawsuit over alleged patent trolling, saying he hasn't properly responded to requests for information in the case.

  9. June 03, 2025

    Valve Patent Troll Case Paused Over Legal Fee Dispute

    A Washington federal judge paused video game company Valve Corp.'s lawsuit over alleged patent trolling on Tuesday to give the defendants time to find new legal counsel, as their current attorneys seek to exit the dispute, claiming unpaid legal bills.

  10. September 27, 2024

    Valve Corp. May Continue Wash. 'Patent Troll' Claims

    Video game patent holder Leigh Rothschild, his company Rothschild Broadcast Distribution Systems LLC and his legal team from Meyler Legal PLLC cannot escape a federal suit alleging they violated the state of Washington's anti-troll laws in pursuing bogus patent claims against video game maker and online game store operator Valve Corp.