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Pfizer Canada Defeats Neupogen Patent Claims On Obviousness

Company Now Holds NOC For Nivestym Filgrastim Biosimilar

Executive Summary

With a biosimilar to Amgen’s Neupogen already on the market in the US, Pfizer has challenged key claims of Amgen’s Canadian drug substance patent, in an attempt to clear a path to market for its Nivestym biosimilar.

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