In General Hospital Corp. v. Sienna Biopharmaceuticals, Inc., Case No. 2017-1012 (Fed. Cir. May 4, 2018), the Federal Circuit affirmed the PTAB’s August 2016 decision that General Hospital Corporation’s (GHC) claims involved in an interference proceeding (that GHC requested) failed to meet the written description requirement. But the court also vacated the PTAB’s denial of … Continue Reading