Altana and Wyeth were thwarted in their attempt to block Teva Pharmaceuticals from infringing U.S. Patent No. 4,758,579, directed to the compound pantoprazole, the active ingredient in Altana’s antiulcer drug Protonix®. The compound pantoprazole belongs to a class of compounds known as proton pump inhibitors (“PPIs”) that are used to treat gastric acid disorders in […]