Challenged claims of Entropic Communications LLC’s patent that relates to a cable modem system having a functionally partitioned and flexible architecture are unpatentable as obvious over prior art, the Patent Trial and Appeal Board said, in an inter parties review by Comcast Cable Communications LLC. The board determined that the challenged claims are obvious over various combinations of prior art, including prior art that discloses a communications system with a plurality of media terminal adapters, a telephone line, and a gateway configured to exchange voice and data packets between a network and each of the media terminal adapters over the ...
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