Thursday, February 01, 2007

Court Favors Pfizer in Norvasc Patent Lawsuit

U.S. District Court for the Eastern District of Virginia has ruled in the favor of Pfizer against generic drug maker Synthon in a patent infringement case involving Pfizer’s hypertension drug Norvasc. The court found that Synthon obtain by inequitable conduct two U.S. patents alleged to cover a process and an intermediate compound used to make the amlodipine besylate. Pfizer said the court issued a ruling that Synthon knowingly withheld from the U.S. Patent Office Pfizer publications and other information that described the process for which Synthon was seeking a patent.

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