Carboline Company v. Mobil Oil Corporation

DECISION ON THE MERITS

ROBSON, District Judge.

Carboline Company brings this action against Mobil Oil Corporation for alleged infringement of its patent. The plaintiff seeks injunctive relief and an accounting for damages. The defendant counterclaims for a declaratory judgment on the grounds that the plaintiff’s patent is invalid and unenforceable and, further, that the defendant has not and is not infringing upon the patent in suit. The jurisdiction of this court is undis puted. The defendant has sold its accused products in the Northern District of Illinois, where it maintains a regular and…