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Roche ’818 patent

This article was originally published in The Gray Sheet

Executive Summary

U.S. Patent and Trademark Office will reexamine Roche's Thermus aquaticus (Taq) DNA polymerase patent to "determine whether any prior art cited in recent litigation poses any new question of patentability," the firm announces April 12. The enforceability of the patent is currently under review by the U.S. Court of Appeals in Washington, D.C. after being challenged by Promega Corp. (1"The Gray Sheet" Dec. 13, 1999, p. 16)...

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