Purdue Sues Impax, Ranbaxy Over Generic OxyContin
The two lawsuits, filed in the U.S. District Court for the Southern District of New York, allege that abbreviated new drug applications by both companies for generic OxyContin infringe Purdue's patents.
Impax said in a statement Monday that it planned to challenge Purdue's patents on OxyContin. If its application for a generic version is approved by...
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