IHS Chemical Week

EnviroTech :: Regulatory :: Regulatory: Alternative Fuels

Gevo wins round in patent brawl with Butamax

1:34 PM MDT | March 21, 2013 | Rebecca Coons

A Delaware judge has ruled that Gevo (Englewood, CO) does not infringe two Butamax Advanced Biofuels patents describing enzymes used in the production of biobased isobutanol—the latest development in a two-year patent fray that has seen both sides file multiple infringement claims. According to Gevo, the judgment of non-infringement comes on the heels of the Court'sclaim construction determination, which held that Butamax's Patent Nos. 7,851,188 and 7,993,889 require the use of an "NADPH-dependent" KARI.  Butamax conceded that it could not...

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