AR Holdings Claims Par Pharma Infringed Gout Drug Patent

Law360, New York (April 5, 2012, 3:33 PM EDT) -- Mutual Pharmaceutical Co. affiliate AR Holding Co. Inc. on Wednesday lodged a patent suit against Par Pharmaceutical Inc., alleging the drugmaker has infringed 10 of its patents covering methods for producing gout medication.

AR Holding maintains that Woodcliff Lake, N.J.-based Par has submitted an abbreviated new drug application to the Food and Drug Administration seeking to market a 0.6 mg oral tablet generic version of the brand name gout drug Colcrys, before its patent rights covering the medication expire.  

At issue are U.S. Patents No....
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