April 26, 2013
Purdue Pharma LP and Actavis Inc. announced Friday that they've agreed to end a New York patent infringement suit seeking to block Actavis' generic version of abuse-deterrent formulations of Purdue's multibillion-dollar drug OxyContin.
February 04, 2013
Purdue Pharma LP and Grunenthal GmbH on Friday sued two rivals in New York federal court, alleging their planned generic versions of painkiller OxyContin infringed two patents covering a so-called abuse-proof version of the drug.