USPTO Affirms Gevo, Inc.'s Request for Reexamination of Butamax Patent
4/13/2012 10:16:57 AM
ENGLEWOOD, Colo.--(BUSINESS WIRE)--Gevo, Inc. (NASDAQ: GEVO), an innovative renewable chemicals and advanced biofuels company, announced today that the U.S. Patent Office and Trademark (USPTO) has denied a petition by ButamaxTM Advanced Biofuels, LLC (Butamax) which would have vacated the order granting Gevo’s reexamination request of Butamax’s U.S. Patent No. 7,851,188 (‘188 Patent). In so doing, the USPTO simultaneously affirmed its original decision that all claims challenged by Gevo in the '188 patent remain rejected as unpatentable.
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