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

Some challenged claims of Orckit Corp.'s patent directed to high-speed data communication systems, and specifically to digital subscriber line systems, are unpatentable as obvious over prior art, the Patent Trial and Appeal Board said, in an inter partes review by Cisco Systems Inc. The board determined that the challenged claims are obvious over prior art directed to serially exchanging data bits with one or more input and/or output modules under the control of at least one master station, that describes a method and system for distributed internetwork routing of information in a communication system, and that represents admitted prior art ...