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Purdue Insomnia Patents Wrongly Put To Bed, Fed. Circ. Told

Law360, Washington (January 4, 2016, 4:08 PM EST) -- Purdue Pharmaceutical urged a Federal Circuit panel Monday to reverse a New Jersey federal court's decision invalidating three sleep aid patents for being obvious in a dispute with Actavis Elizabeth, saying the patents used different dosages than other insomnia drugs did at the time.

The three patents behind the sleep aid Intermezzo took a novel approach by including a lower dosage of zolpidem, a hypnotic drug, to be taken during the middle of the night on an as-needed basis, Purdue Pharmaceutical Products LP told the three-judge panel. According to Purdue, other drugs on the market called for a high, prophylactic dosage...

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Case Information

Case Title

Subscribers Only

Case Number

Subscribers Only


Appellate - Federal Circuit

Nature of Suit

830 Patent Infringement (Fed. Question)

Date Filed

May 13, 2015

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