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Fraunhofer-Gesellschaft Zur Forderung der angewandten Forschung e.V. v. Sirius XM Radio Inc.

  1. March 24, 2026

    SiriusXM Beats Research Institute's Patent Case Due To Delay

    A Delaware federal judge on Tuesday said German research institute Fraunhofer-Gesellschaft's delay in bringing a patent suit against SiriusXM was fatal to its claims, after the Federal Circuit previously said the judge must look closer at whether that delay was relied upon by Sirius.

  2. November 04, 2025

    German Co. Denies SiriusXM Was 'Lulled' Into Infringing IP

    An attorney for applied research venture Fraunhofer-Gesellschaft told a Delaware federal judge Tuesday that SiriusXM has failed to show it was lulled by the German patent-holder into continuing alleged infringements of satellite radio technology when the original licensee retreated into bankruptcy.

  3. September 16, 2025

    Judge Orders Bench Trial On Key Issue In Sirius Patent Case

    A Delaware federal judge has ordered a bench trial on the issue of whether Sirius XM relied on a German research foundation's five-year delay in bringing patent claims related to satellite radio technology in making business decisions around that tech.

  4. July 11, 2023

    Sirius Beats Patent Case Over German Satellite Radio Tech

    Following "eventful discovery," a Delaware federal court has decided a German research foundation that developed improvements to satellite radio broadcasting in the mid-1990s waited too long to bring a suit and therefore does not actually have a patent case against the satellite radio giant Sirius XM.

  5. January 20, 2022

    IP Forecast: Minerva, Hologic To Face Off At Fed. Circ. Again

    Federal Circuit judges will consider next week whether a medical device startup's founder can attack a patent he helped develop after a U.S. Supreme Court decision in the dispute last year narrowed rules for blocking inventors from challenging their own patents.