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

Challenged claims of NetSocket Inc.'s patent that describes a virtual leased line between a source and destination in different domains, to achieve packet transfer between a source in one domain and a destination in another domain, 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 various combinations of prior art, including prior art titled “An Agent-based Architecture for Advance Reservations,” that discloses establishing connections with a pre-specified quality of service across a communication network, and titled ...