Law360, New York (October 20, 2009) -- Armed with a brand-new patent for its Suvaxyn piglet vaccine, Wyeth has unleashed another infringement action against rivals Schering-Plough Corp. and Boehringer Ingelheim GmbH.
The complaint, filed Tuesday in the U.S. District Court for the District of Delaware, alleges Schering-Plough’s Intervet Inc. and Boehringer’s Vetmedica Inc. each manufactures vaccines to prevent piglet weight loss...


