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

Dec. 1, 2021, 12:02 AM

The Patent Trial and Appeal Board said that 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 this inter partes review by Samsung Electronics Co. Ltd. and Taiwan Semiconductor Manufacturing Co. Ltd. The board said that the challenged claims are unpatentable as obvious over publications that describe a three-dimensional integration technology that involves vertically stacking and interconnecting chips using a high density of vertical ...

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