Sucampo, R-Tech Ueno and Takeda file patent infringement lawsuit against Anchen for AMITIZA
Sucampo Pharmaceuticals, Inc. announced that it, together with R-Tech Ueno, Ltd., Sucampo AG, and Takeda Pharmaceutical Company Limited and certain affiliates of Takeda, has filed a patent infringement lawsuit against Anchen Pharmaceuticals, Inc., which had filed Abbreviated New Drug Application (ANDA) with the U.S. Food and Drug Administration (FDA) to market a generic version of AMITIZA (lubiprostone) oral capsules, and certain affiliates of Anchen.