Insurers File Antitrust Suit Vs. Purdue Over Oxycontin Patents

Law360, New York (February 23, 2004, 12:00 AM EST) -- Health insurers Aetna and Humana have filed an antitrust lawsuit against the maker of the painkiller Oxycontin, asserting that Purdue Pharma illegally blocked the sale of less expensive generic versions.

The complaint alleges that Purdue obtained patents by misleading the U.S. Patent and Trademark Office about the effectiveness of Oxycontin at low doses. The drug manufacturer reaped "excess profits" of more than $1 billion, the lawsuit says.

The lawsuit, filed recently in U.S. District Court in New York, seeks restitution of excess profits of an unspecified...
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