Shire sues Barr over Fosrenol patents

23 March 2009

UK drugmaker Shire has filed a law suit in the US District Court of the Southern District of New York against Barr Laboratories for infringement  of three of its patents: US patent nos 5,968,976, 7,381,428 and  7,465,465.

The suit was filed in response to an Abbreviated New Drug Applications  filed by Barr seeking Food and Drug Administration approval to market  and sell generic versions of Shire's 500 mg, 750mg, and 1g Fosrenol  (lanthanum carbonate) products.

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