Cephalon's Amrix IP Invalid, Infringed: Judge

By Roxanne Palmer (May 12, 2011, 9:19 PM EDT) -- The Delaware federal judge overseeing multidistrict litigation over Cephalon Inc.'s Amrix drug ruled Tuesday that Mylan Pharmaceuticals Inc. and Barr Laboratories Inc. infringed two patents covering the muscle relaxant, but also said the patents-in-suit were invalid for being obvious....

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