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Astellas, King Sue Teva Over Adenoscan Patent

Law360 (June 1, 2005, 12:00 AM EDT) -- King Pharmaceuticals and a U.S. subsidiary of Japanese drug maker Astellas Pharmaceuticals have jointly filed a lawsuit against Israeli generics maker Teva Pharmaceuticals, accusing the company of infringing King's patent on Adenoscan.

The complaint, filed in the U.S. District Court for the District of Delaware on May 26, seeks a court order prohibiting the FDA's approval of Teva subsidiary Sicor's abbreviated new drug application for a generic version of pharmacologic stress agent Adenoscan (adenosine injection) before the expiration of King's U.S. patent number '877 May 18,...
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