District Court, N.D. Illinois May 10, 2010, 09 C 5022 (Viskase Companies, Inc. v. World Pac International AG)

MEMORANDUM OPINION AND ORDER

ELAINE E. BUCKLO, District Judge.

The parties in this action are competitors in the food casings industry. Defendants hold (or held) rights to U.S. Patent No. 6,200,613 (the “ '613 patent”), directed to food casings for use in the processing of sausages and other meats, poultry, cheese products, and other processed foods.