Regions :: North America
Patent-infringement claim dismissed in long-running isobutanol feud
11:50 AM MDT | May 10, 2013 | Rebecca Coons
Butamax Advanced Biofuels, an isobutanol joint venture owned by DuPont and BP, says the US District Court for the District of Delaware has issued an order dismissing claims by Gevo that Butamax infringed its 8,101,808 ('808) patent covering Gevo's GIFT isobutanol removal technology—the latest development in a two-year patent spat that has seen both sides file multiple infringement suits. According to Butamax, "[U]nder reexamination, all of the original claims of the '808 patent were rejected, and all modified and added claims were...
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