Green Patent Blog: Butamax Bellicose in Burgeoning Biobutanol Battle

A previous post included a discussion of the latest salvo in the growing green patent war between Colorado biofuels startup Gevo and Butamax , a BP-DuPont joint venture. The rivals both make biobutanol, an advanced biofuel which has some significant advantages over ethanol, including an energy content...

Green Patent Blog: Cofactor Key Factor as Gevo Dodges Injunction

Biobutanol maker Gevo dodged a bullet with a big win last week [June 19th] in its expanding patent war with Butamax Advanced Biofuels (Butamax) (see previous posts here , here , here , here , here , and the post on Butamax's opening shot ). While Butamax did have exactly one week of satisfaction...

Butamax Avoids Infringement of Two Gevo Patents on Summary Judgment

I’ve been covering the ongoing patent litigation between advanced biofuels company Gevo and BP-DuPont joint venture Butamax over a number of patents relating to methods of producing biobutanol. The lawsuit started in January 2011 with Butamax’s initial complaint filed in federal court...

Butamax Wins on Appeal as Federal Circuit Reverses Enzyme Claim Construction

There’s been another big twist in the biobutanol battle between BP-DuPont joint venture Butamax and Gevo, its arch rival in advanced biofuels. A previous post discussed the district court’s ruling granting Gevo’s motion for summary judgment of non-infringement under the doctrine...