Pfizer Files More Suits To Block Generic Toviaz

Law360, New York (July 1, 2013, 3:57 PM EDT) -- Pfizer Inc. launched a series of patent infringement suits Friday in Delaware federal court against Amneal Pharmaceuticals LLC, Impax Laboratories and other generic-drug manufacturers for seeking approval for their own versions of Pfizer's overactive-bladder medication Toviaz.

Pfizer sued the companies over their filing of abbreviated new drug applications with the U.S. Food and Drug Administration for generic replicas of Toviaz prior to the expiration of the five patents covering the drug.

The generics makers' production of their own versions of Toviaz while the patents are still...
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