Gevo Can't Ditch Butamax Counterclaims Over Biofuel Tech

Law360, Los Angeles (December 16, 2013, 7:07 PM EST) -- A Delaware federal judge on Monday refused Gevo Inc.'s bid to dismiss BP PLC and DuPont Co. joint venture Butamax Biofuels LLC's counterclaims in their ongoing patent battle over ethanol-alternative biofuel, saying a dispute still exists between the companies despite Gevo's covenant not to sue Butamax for use of certain products.

U.S. District Judge Sue Robinson denied Gevo's motion to dismiss Butamax's counterclaims seeking declarations of invalidity and noninfringement of three of its patents relating to a method of producing isobutanol from genetically engineered microorganisms. 

Gevo had sought to dismiss Butamax's counterclaims for lack...
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