Personalized Media Communications, LLC v. Apple Inc., No. 18-1936 (Fed. Cir. 2020)
Annotate this CasePMC’s patent is directed to methods for enhancing broadcast communications with user-specific data by embedding digital signals in those broadcast communications. The specification discloses a number of embodiments that include analog broadcast signals with embedded digital signals. On inter partes review, the Patent Trial and Appeal Board found certain claims unpatentable on anticipation and obviousness grounds. The Federal Circuit reversed as to certain claims and otherwise affirmed. The Board erred in construing the claim term “an encrypted digital information transmission including encrypted information” as including mixed digital and analog signals. The prosecution history indicates that the disputed claim term is limited to all-digital signals.
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