In National Oilwell Varco, L.P. v. Omron Oilfield and Marine, Inc., [2015-1406] (January 25, 2017), in a non-precedential opinion, the Federal Circuit affirmed the dismissal of claim for infringement of U.S. Patent No. 5,474,142 because of problems with the chain of title which deprived … Continue reading It’s a Good Idea to Actually Own the Patents you Sue on