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Purdue's Sleep Aid Patents Are Obvious, Judge Rules

Law360, New York (March 30, 2015, 3:01 PM EDT) -- A New Jersey federal judge on Friday found that Purdue Pharmaceutical Products LP’s three patents for sleep aid Intermezzo are invalid for obviousness, granting a win to Actavis Elizabeth LLC, Novel Laboratories Inc. and others whom Purdue sued over plans to market their own generic versions of the drug.

In a two-page order, U.S. District Judge Jose L. Linares ruled that the asserted claims of U.S. Patent Numbers 8,252,809; 7,682,628; and 8,242,131 are invalid as obvious, removing an obstacle for defendants Actavis, Par Pharmaceuticals Inc., Dr. Reddy's Laboratories Inc., TWI Pharmaceuticals Inc. and Novel to go through the abbreviated new drug application...

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Case Information

Case Title

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Case Number

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New Jersey

Nature of Suit



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Date Filed

August 23, 2012

Law Firms


Government Agencies