We use cookies on this site to enable your digital experience. By continuing to use this site, you are agreeing to our cookie policy. close

Impax Fights Patent Suit Over Pain Reliever

Law360 (November 19, 2007, 12:00 AM EST) -- Impax Laboratories Inc. is facing a patent infringement lawsuit filed by Endo Pharamecuticals Holdings Inc. and Penwest Pharmaceuticals Co. over the pain reliever Opana ER.

The lawsuit, filed in the U.S....
To view the full article, register now.
Law360 Pro Say Podcast
Check out Law360's new podcast, Pro Say, which offers a weekly recap of both the biggest stories and hidden gems from the world of law.