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

Nov. 30, 2021, 12:26 AM

The Patent Trial and Appeal Board said challenged claims of Arbor Global Strategies LLC’s patent that describes a stack of integrated circuit die elements, including a field programmable gate array on a die, a memory on a die, and a microprocessor on a die, are unpatentable as obvious over prior art, in an inter partes review by Samsung Electronics Co. Ltd. and Taiwan Semiconductor Manufacturing Co. Ltd. According to the board, the challenged claims are obvious over a publication entitled “Future System-on-Silicon LSI Chips,” and prior patents for integrated processor and programmable data path chip for reconfigurable computing, and through-chip ...

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