Bayer Challenges Watson and Sandoz U.S. ANDA Filings on Yasmin

Bayer has filed a patent infringement lawsuit in U.S. Federal Court in the Southern District of New York (New York) against Watson Pharmaceuticals, Inc., Watson Laboratories, Inc. and Sandoz, Inc. Bayer Schering Pharma’s suit concerns Watson’s and Sandoz’s respective applications to the FDA for approval to market a generic form of Bayer Schering Pharma’s oral contraceptive Yasmin®. The patent at issue in the suit is Bayer Schering Pharma’s U.S. Patent No. 5,569,652.