In a blow to pharmaceutical patent owners, the US Court of Appeals for the Federal Circuit concluded that the US Patent and Trademark Office's Patent Trial and Appeal Board (PTAB) was not bound by prior judicial opinions in finding that Novartis AG's Exelon (rivastigmine) patch patents are unpatentable.
In a precedential April 4 opinion in Novartis v. Noven Pharmaceuticals Inc., the Federal Circuit stated that...





