Impax Can't Shake Injunction On Generic Amrix

Law360, New York (March 15, 2012, 9:07 PM EDT) -- A Delaware federal judge on Thursday nixed Impax Laboratories Inc.'s bid to amend an injunction barring it from marketing a generic version of Cephalon Inc.'s muscle relaxant Amrix, ruling that a prior settlement does not give Impax the right to sell its generic.

U.S. District Judge Sue L. Robinson held that rather than allowing Impax to sell its generic, the agreement between Impax and Cephalon says that lmpax can only enter the market on the same date or shortly after a third party's generic enters the...
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