Gevo, Reed Elsevier, BAT, Micro Focus, Apple: Intellectual Property - Bloomberg:

Gevo Inc., a company involved developing the technology for biofuels, will ask the U.S. Patent and Trademark Office to invalidate a patent issued to Butamax Advanced Biofuels LLC, the Englewood, Colorado-based company said in a statement.

At issue is Butamax patent 7,851,188, which was issued in December 2010. The company said it would also seek invalidation of Butamax’s patent 7,993,889, issued Aug. 9.