Wireless Charging Patent’s Invalidity Upheld by Federal Circuit

The Federal Circuit said an administrative tribunal was justified in axing a wireless electricity transfer patent that’s the subject of a Delaware infringement lawsuit.

The court affirmed a ruling by the Patent Trial and Appeal Board that large parts of a 70-claim patent invented by a trio of Massachusetts Institute of Technology physicists were obvious in light of previous inventions. The ruling cements a win for InductEV Inc., a manufacturer of wireless charging systems for vehicles and defendant in the suit brought by patent owner WiTricity Corp., which was founded by one of the inventors.

WiTricity had argued the board ...