Posts Tagged: "Knowles Electronics v. Cirrus Logic"

Under the status quo, neither the patentee nor the public is able to rely on judicial determination of an issue that might later be taken to the PTAB. Knowles, Dissenting Op. at 10. Should the differences in standards between the courts and the PTO for proving invalidity, which contribute to the status quo in a large measure, be allowed to continue? Or, should the policy objectives of judicial efficiency and repose be given effect to preserve the finality of judgement of a court of last resort? These questions have assumed added significance post-AIA since one of the purposes of AIA was to save time and cost. As for standards, courts give claims their customary meaning and require clear and convincing evidence to prove a patent invalid. On the other hand, the PTO gives claims their broadest reasonable interpretation (BRI) and requires a preponderance of evidence to prove invalidity. In her dissent, Judge Newman urged the court to recognize the significant legal and economic consequences of conflict between judicial ruling and agency decision, in which patent life and investment resources are consumed in duplicate litigation with no reliable finality. Id.