In October 2011 Judge Gorton entered an injunction against Amphastar regarding methods for manufacturing generic enoxaparin. Amphastar appealed, and the Federal Circuit heard argument on January 24, 2012. A recording of the argument can be found below.
Momenta Pharm., Inc. v. Amphastar Pharm., Inc., 2012-1062 (Fed. Cir. Jan. 24, 2012)