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12 Aug 2011

Avanir Pharmaceuticals Files Lawsuits Against Par and Actavis

Avanir Pharmaceuticals said it filed lawsuits against Par Pharmaceutical and Actavis, alleging infringement of patents related to its involuntary-emotion drug.

Biopharmaceutical company Avanir Pharmaceuticals, Inc. announced yesterday that it has filed lawsuits in the U.S. District Court for the District of Delaware against Par Pharmaceutical, Inc. and Par Pharmaceutical Companies, Inc (Par) and Actavis South Atlantic LLC and Actavis, Inc. (Actavis). 

 

The lawsuits were filed in response to Abbreviated New Drug Applications ("ANDAs") filed by Par and Actavis.  In their applications, Par and Actavis seek to market and sell generic versions of the currently approved dose of NUEDEXTA, the first and only FDA-approved treatment for pseudobulbar affect, prior to the expiration of U.S. patents 7,659,282 and RE38,115.  Avanir filed the lawsuits on the basis that Par's and Actavis' proposed generic products infringe certain patents held by Avanir.

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