Pfizer files patent suit against 6 pharma firms
Press Trust of India: New Delhi, Mar 06 2013, 00:45 IST
Pfizer Inc today said it has filed suit against six firms, including India’s Lupin, over patent infringement of celecoxib, the active ingredient of its branded drug Celebrex used for treating osteoarthritis.
The development follows the United States Patent & Trademark Office granting Pfizer a reissue patent covering methods of treating osteoarthritis and other approved conditions with celecoxib. “Pfizer filed suit today against Teva Pharmaceuticals USA, Inc, Mylan Pharmaceuticals Inc, Watson Laboratories Inc, Lupin Pharmaceuticals, USA, Inc, Apotex Corp, and Apotex Inc in the United States District Court for the Eastern District of Virginia for infringement of the reissue patent,” Pfizer said in a statement on its website.
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