Tag: Patent invalidation
CAFC Affirms ITC Invalidation of Sweetener Patent – Helsinn On-Sale Bar Ruling
The recent decision by the U.S. Court of Appeals for the Federal Circuit (CAFC) in Celanese International Corp. v. International Trade Commission (ITC) affirmed the ITC's ruling that Celanese's process patents were invalid due...
CAFC Invalidates Data Transmission Patent Claim, Remands Substitute Claims for Review
Today, the U.S. Court of Appeals for the Federal Circuit (CAFC) made a decision in the case of ZyXEL Communications Corp. v. UNM Rainforest Innovations. The CAFC upheld the findings of obviousness made by...