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GSK vs. Andrx Wellbutrin SR Appeal Turns On Role Of Excipient

Executive Summary

GlaxoSmithKline's Wellbutrin SR and Zyban patents do not cover the low-density form of the excipient HPMC used in Andrx' ANDA product, the generic company argued during a federal circuit appeals court hearing in Washington, D.C. Dec. 2

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