Ironburg Inventions Ltd. v. Valve Corporation

  1. December 13, 2023

    The Biggest Patent Rulings Of 2023

    Over the past year, the Federal Circuit has suspended one of its own judges, Delaware's chief federal judge has told the U.S. Department of Justice to investigate attorneys practicing in his court, and the Federal Circuit vacated a huge infringement verdict. Here's what you need to know about these cases and other major decisions in 2023.

  2. July 17, 2023

    The Biggest Patent Rulings Of 2023: A Midyear Report

    In the first six months of the year, the U.S. Supreme Court imposed limits on broadly written patents, while the Federal Circuit set rules on when inter partes reviews limit invalidity arguments in court. Here's a look at the most notable patent rulings of 2023, so far.

  3. May 04, 2023

    Valve Urges Full Fed. Circ. To Rethink Invalidity 'Guess'

    Valve Corp. has asked the Federal Circuit to reconsider its decision to uphold a $4 million infringement verdict against the video game company, arguing that its bid to invalidate Ironburg's controller patent was unfairly harmed when the panel made inappropriate assumptions about what happened in district court.

  4. April 04, 2023

    Fed. Circ. Estoppel Ruling Sets Battle Lines For New Disputes

    The Federal Circuit has clarified how courts should determine when accused patent infringers are barred from making invalidity arguments they didn't include in an earlier challenge, but the ruling will spur new fights that could be complicated by evolving technology, attorneys say.

  5. April 03, 2023

    Fed. Circ. Revives Valve's Bid To Ax Patent After $4M Verdict

    The Federal Circuit on Monday backed a jury's $4 million verdict that Valve Corp. infringed rival SCUF's video game controller patent in the first-ever virtual jury patent trial, but held that Valve was wrongly barred from arguing the patent is invalid and ordered further proceedings.

  6. December 05, 2022

    Fed. Circ. Mulls Results From First Virtual Patent Trial

    The mechanics of the first-ever virtual patent trial in the U.S. drew some questions at the Federal Circuit on Monday, with one judge asking if any footage was taken to ensure that jurors were actually looking at Valve Corp. video game controllers that were sent by mail and ultimately were found to willfully infringe a controller patent.

  7. December 01, 2022

    IP Forecast: Jury To Hear Apple-Ericsson Licensing Battle

    A federal jury in Marshall, Texas, next week will hear long-simmering arguments from Apple that Ericsson isn't licensing its assortment of cellular patents considered essential to 4G and 5G standards at fair, reasonable and non-discriminatory rates.