USPTO Rejects Butamax’s Self-Described “Foundational” IP Claims in Successful Gevo, Inc. Reexamination Petition

ENGLEWOOD, Colo.--(BUSINESS WIRE)--Gevo, Inc. (NASDAQ: GEVO), an innovative leading renewable chemicals and advanced biofuels company, today announced that the United States Patent and Trademark Office (USPTO) has rejected all patent claims of Butamax™ Advanced Biofuels, LLC (Butamax) covering isobutanol-producing yeast in U.S. Patent No. 7,851,188 (‘188 patent) which is currently being asserted against Gevo.

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