Purdue OxyContin patent ruling

Executive Summary

A New York district court judge rules Jan. 7 that Purdue did not commit inequitable conduct in prosecuting its OxyContin patents before the U.S. Patent and Trademark Office. The court had ruled in 2004 that the patents were invalid and unenforceable due to inequitable conduct in Purdue's infringement suit against Endo. In 2006 the U.S Court of Appeals for the Federal Circuit vacated the district court's finding that the patents on the pain medication were invalid and sent the case back to district court...