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

Some challenged claims of Entropic Communications LLC’s patent that discloses a local area network that uses coaxial cable wiring to interconnect terminal devices within a building are unpatentable as obvious over prior art, the Patent Trial and Appeal Board said, in a final written decision on remand from director review of an inter partes review by Dish Network LLC. The board said that some challenged claims are obvious over prior art that discloses simulation/implementation techniques and reference materials for the design and development of DSL systems, discloses a system and methods for home network communications, and titled “An Efficient Digital ...