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Alpharma Sues Purdue Over Painkiller Mktg. Rights

Law360 (November 18, 2008, 12:00 AM EST) -- Alpharma Inc. has filed a preemptive lawsuit against Purdue Pharma LP, the makers of Oxycontin, over the right to market ALO-01, an opioid painkiller with less potential for abuse.

The lawsuit, filed in the U.S. District Court for the Western District of Virginia, seeks a declaration of invalidity for Purdue patents and judgments of noninfringement for ALO-01, a new opioid drug made by Alpharma that Purdue says infringes its patents.

Alpharma developed ALO-01 because of high rates of prescription drug abuse, the complaint said. Over 15.1...
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