March 19, 2013
A Delaware federal judge on Tuesday cleared Gevo Inc. of claims that it infringed two patents held by BP PLC and DuPont Co. joint venture Butamax Advanced Biofuels LLC by selling an ethanol alternative biofuel, granting Gevo's motion for summary judgment of noninfringement with respect to the patents.
June 20, 2012
A Delaware federal judge on Tuesday denied a request by a DuPont Co. and BP PLC joint venture to block rival Gevo Inc. from selling its ethanol-alternative biofuel in a patent infringement case over the companies' biofuel products.