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Watson Says Barr Infringes Patent For Oxytrol

Law360 (October 24, 2008, 12:00 AM EDT) -- Watson Laboratories Inc. has slapped generic drug manufacturer Barr Pharmaceuticals Inc. with a patent infringement lawsuit over its application to market a generic version of Oxytrol, an overactive bladder treatment.

Watson filed the lawsuit on Wednesday in the U.S. District Court of Delaware after Barr filed an abbreviated new drug application requesting approval to market and sell a generic version of Oxytrol, a skin patch that releases oxybutynin into the bloodstream to treat OAB.

In the complaint, Watson said the alleged infringement would cause “irreparable harm”...
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