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. Plaintiff seeks a declaratory judgment that its products do not infringe any valid claim of the '613 patent. Plaintiff also asserts state law claims for unfair trade practices, commercial disparagement, and unfair competition.

Before me are two…