Endo Resolves Opana Patent Suits V. Impax, Sandoz

Law360, New York (June 8, 2010, 6:27 PM EDT) -- Endo Pharmaceuticals Inc. and Penwest Pharmaceuticals Co. said Tuesday that they had settled patent infringement suits against Sandoz Inc. and Impax Laboratories Inc. over generic versions of painkiller Opana ER.

The agreement with Impax resolves litigation in the U.S. District Court for the District of New Jersey and allows the generics maker to begin selling a version of the drug on Jan. 1, 2013, giving it 180 days of exclusivity in the generic market, the plaintiffs said.

A separate settlement in a case in the same...
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