Case: Patents/Obviousness (P.T.A.B.)

Aug. 5, 2025, 2:31 PM UTC

The Patent Trial and Appeal Board held that challenged claims of Proxense LLC’s patent that provides a hybrid device including a personal digital key and a receiver-decoder circuit that are coupled for communication with each other are unpatentable as obvious over prior art, in an inter partes review by Microsoft Corporation and Apple Inc. The board determined that the challenged claims are obvious over prior art that discloses a PDK that stores biometric profiles in a tamper-proof memory that is acquired in a secure trusted process, discloses a personal digital key digital content security system that is used to protect ...

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