Faulding's Kadian infringes Purdue once-daily opioid method patent, Purdue suit alleges.
Executive Summary
FAULDING's KADIAN INFRINGES 24-HOUR OPIOID METHOD PATENT, PURDUE FREDERICK alleges in a complaint filed in Wilmington, Del. federal court Aug. 23. Purdue Frederick maintains that Kadian (morphine sulfate sustained-release capsules) infringes its Dec. 26, 1995 patent, "Method of Treating Pain by Administering 24-Hour Oral Opioid Formulations Exhibiting Rapid Rate of Initial Rise of Plasma Drug Level" (#5,478,577).
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