Viagra Patent Ruling Could Deter Appeal, Support Pfizer Position In Pending Cases
Executive Summary
Teva Pharmaceuticals USA Inc. is considering whether to appeal a federal court decision upholding the validity of Pfizer Inc.'s Viagra (sildenafil) patent.
You may also be interested in...
Regeneron's Patent Pratfall: First Inequitable Conduct, Now Possible Sanctions
After losing patent infringement suit against Merus involving antibody-producing mouse, Regeneron fights ruling that it withheld material information in prosecuting the patent.
Teva’s Generic Viagra Launch Will Be Offset By Generic Cialis
Patent settlement will enable Teva to enter the market more than three years before Viagra’s use patent expires; Pfizer suddenly parts ways with General Counsel Amy Schulman.
Viagra’s End Begins: Generic Sildenafil Launches For Revatio
Apotex has launched sildenafil for treatment of pulmonary arterial hypertension; its product is bioequivalent to Revatio, Pfizer’s sildenafil formulation for PAH, not Viagra; FDA also approved Watson, Dr. Reddy’s and Torrent sildenafil ANDAs.