Sun Pharmaceutical Industries Ltd. has filed a patent infringement lawsuit against Teva Pharmaceutical Industries Ltd., alleging Teva’s generic version of Yonsa infringes a Sun patent.
Sun filed the lawsuit Oct. 9 in the U.S. District Court for the District of Delaware. It is seeking cash compensation and a court order blocking copies until after the patent has expired, according its complaint. Investors keep a close watch on how such patent fights shape drug companies’ fortunes.
Teva sought regulatory approval to make a generic version of Yonsa, which is used to treat a type of prostate cancer, despite Sun’s patent on ...
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