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

Challenged claims of Engle Grange LLC’s patent directed to a keyless ignition start system in which authentication of a coded key fob is carried out twice, first to activate the ignition switch to allow starting the engine and second at the time when the brake pedal is depressed to put the car in a drive gear are unpatentable as obvious over prior art, the Patent Trial and Appeal Board held, in an inter partes review by Unified Patents LLC. The board said that the challenged claims are obvious over patent applications directed to vehicle systems and methods of operating vehicle ...