Impax Opens New Front In Adderall Battle With Shire

By Marius Meland (November 11, 2005, 12:00 AM EST) -- Impax Laboratories Inc. is taking action against the newest patent issued for anti-depressant Adderall XR, countersuing Shire Laboratories Inc. in federal court. At the same time, Shire is lobbying the FDA to further restrict the generic manufacture of the drug....

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