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

Challenged claims of Portsmouth Network Corp.'s patent that discloses methods and systems for selecting routes for communication connections that share bandwidth allocations in ring configurations aren’t 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 aren’t obvious over various combinations of prior art, including prior art that discloses a protected communication network that utilizes a link-based recovery strategy, and a method for determining a restoration path corresponding to a primary path for a new service in a mesh network having ...