By Kevin E. Noonan — Last week, the Federal Circuit handed down a pair of non-precedential decisions affirming the Patent Trial and Appeal Board (PTAB) in inter partes review (IPR) proceedings. This post concerns the decision in Cardiovalve Ltd. v. Edwards Lifesciences Corp., which has as its most significant aspect an unnecessary untethering of obviousness with evidence regarding the skill and inventiveness of the person of ordinary skill in the art under KSR International Co. v. Teleflex Inc. The case arose with Edwards’s challenge of claims 1-3, 5, 6, and 8-11 of Cardiovalve’s U.S. Patent No. 10,226,341 directed to an…
