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Home » Lipitor Challenge First of Many For Crystalline Drug Patents
Lipitor Challenge First of Many For Crystalline Drug Patents
December 2, 2005
In a reversal of an earlier decision, the U.S. Patent and Trademark Office (PTO) will confirm the validity of Pfizer's crystalline patent for the active ingredient in blockbuster cholesterol drug Lipitor after initially striking down all claims in the patent, Pfizer said.