Sierra Wireless, ULC v. Sisvel S.p.A.

  1. March 10, 2025

    Fed. Circ. Vacates PTAB Decision Partly Axing 4G Patent

    The Federal Circuit on Monday vacated a Patent Trial and Appeal Board decision partly invalidating a Sisvel patent that the company says is essential to the 4G standard and has asserted against other businesses in infringement litigation.

  2. November 07, 2024

    Fed. Circ. Questions Expert's Background In 4G Patent Case

    A Federal Circuit judge suggested Thursday that the court might vacate a Patent Trial and Appeal Board decision partly invalidating a Sisvel 4G wireless patent challenged by Honeywell and others, saying the board relied on an expert who may not have the necessary qualifications.

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