Endo, Impax Schemed To Delay Opana Generics, Suit Says

Endo, Impax Schemed To Delay Opana Generics, Suit Says

Endo Pharmaceuticals Inc. and Impax Laboratories Inc. were hit with a proposed antitrust class action in Pennsylvania federal court Wednesday alleging Endo paid Impax more than $112 million to delay generic versions of Endo's patented Opana ER painkiller ...read more

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