Watson, Endo settle Opana ER patent suit

MORRISTOWN, N.J. Watson Pharmaceuticals has settled a patent lawsuit with Endo Pharmaceuticals concerning an Endo prescription painkiller, Watson said Thursday.

 

The generic drug maker said its subsidiary, Watson Labs, had received a royalty-free license to Endo’s patents covering the extended-release painkiller Opana ER (oxymorphone).

 

 

Watson will have the right to launch its version of the drug in September 2012. Other details of the settlement were not disclosed, Watson said.

 

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