Thursday, March 22, 2007

Shires sues generics companies over Adderall patents

Shire PLC has filed a patent infringement lawsuit against Colony Pharmaceuticals Inc and Actavis Inc. in the US District Court for the District of Maryland alleging infringement of its drug Adderall XR worth US $ 863.6 million in sales 2006. The lawsuit is result of abbreviated new drug applications filed by defendants seeking approval to make generic versions of 5mg, 10mg, 15mg, 20mg, 25mg and 30mg Adderall XL before the expiry of Orange Book listed patents. Defendants’ has made Para IV certification with respect to the U.S. Patent Nos. 6,322,819 (the ‘819 patent), 6,605,300 (the ‘300 patent) and 6,913,768 (the ‘768 patent).

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