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www.fdanews.com/articles/62228-pfizer-wins-norvasc-patent-challenge-by-generic-manufacturer-synthon

PFIZER WINS NORVASC PATENT CHALLENGE BY GENERIC MANUFACTURER SYNTHON

September 1, 2006

Pfizer Inc said that a federal court in the Middle District of North Carolina has upheld the company's U.S. patent covering amlodipine besylate, the active ingredient in Norvasc, the world's most-prescribed branded medicine for treating hypertension. The patent had been challenged by the generic manufacturer, Synthon Pharmaceuticals.
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