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Cephalon Tries To Nix Approval For Generic Fentora

Law360 (March 16, 2011, 1:23 PM EDT) -- Cephalon Inc. filed suit Tuesday in Washington in an effort to revoke federal approval of Watson Pharmaceuticals Inc.'s generic version of painkiller Fentora, after a judge invalidated two patents covering the drug.

Cephalon filed a complaint in the U.S. District Court for the District of Columbia claiming Watson's planned version of Fentora could be dangerous because its active ingredient is in a different form than in the brand-name drug.

The U.S. Food and Drug Administration and the U.S. Department of Health and Human Services, named as...
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