Encysive Pharmaceuticals Announces Patent Infringement Lawsuit Against Barr Laboratories

HOUSTON, Dec. 28, 2007 (PRIME NEWSWIRE) -- Encysive Pharmaceuticals Inc. (Nasdaq:ENCY) today announced that Mitsubishi Chemical Corporation, the patent holder for Argatroban injections, Mitsubishi Tanabe Pharma Corporation, Encysive and GlaxoSmithKline have filed a patent infringement lawsuit in the U.S. District Court for the Southern District of New York against Barr Laboratories, Inc. related to Argatroban injections. Argatroban is approved by the U.S. Food and Drug Administration (FDA) for the treatment of heparin-induced thrombocytopenia. Encysive is the holder of the New Drug Application for Argatroban, and has licensed the North American marketing rights for the drug to GlaxoSmithKline.