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Is IPR estoppel losing even more teeth? District Court finds it applies only to instituted grounds

12/26/2016

In a December 19, 2016 decision, Judge Robinson (D. Del.) held that, under current Federal Circuit law, IPR estoppel can only apply to references on which the PTAB institutes trial. Judge Robinson’s decision was in response to plaintiff Intellectual Ventures’ motion for summary judgment that defendant Toshiba is estopped from raising invalidity grounds that it did […]