Pfizer Sues Inventia Over Generic Bladder-Control Drug

Law360, New York (April 22, 2013, 12:15 PM EDT) -- Pfizer Inc. on Friday hit Inventia Healthcare Private Ltd. with a suit in Illinois federal court, accusing its rival of infringing on its patents for extended-release bladder-control treatment Detrol LA with a planned generic version of the drug.

Inventia's abbreviated new drug application for 2- and 4-milligram strength tolterodine tartrate extended-release capsules infringes on two patents for the drug held by Pfizer units Pfizer Health AB and Pharmacia & Upjohn Co. LLC, according to the suit.

"Pfizer will be irreparably harmed if Inventia is not enjoined from infringing" the patents, the company said. "Pfizer does not have an adequate remedy at...

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