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R-Tech Ueno: Lawsuit Claiming Infringement of AMITIZA® Capsules Patents  
2/12/2013 10:06:08 AM

TOKYO--(BUSINESS WIRE)--R-Tech Ueno (JASDAQ: 4573): Sucampo Pharmaceuticals, Inc. ("Sucampo") announced that it, together with R-Tech Ueno, Ltd., Sucampo AG, and Takeda Pharmaceutical Company Limited ("Takeda") and certain affiliates of Takeda, has filed a patent infringement lawsuit against Anchen Pharmaceuticals, Inc. ("Anchen"), 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. (For more details, please refer to Sucampo's release dated February 8, 2013)
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