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VISKASE COMPANIES, INC. v. WORLD PAC INTER. AG

No. 09 C 5022.

710 F.Supp.2d 754 (2010)

VISKASE COMPANIES, INC., Plaintiff, v. WORLD PAC INTERNATIONAL AG and World Pac International USA, and Sun Products Marketing Und Manufacturing AG, Defendants. World Pac International USA, Defendant/Counter-Plaintiff, v. Viskase Companies, Inc., Plaintiff/Counter-Defendant.

United States District Court, N.D. Illinois, Eastern Division.

May 10, 2010.

Attorney(s) appearing for the Case

John W. Kozak , David M. Airan , Nancy Jean Gettel , Leydig, Voit & Mayer, Ltd., Chicago, IL, for Plaintiff/Counter-Defendant.

Jacqueline A. Criswell , James Kenneth Borcia , Tressler LLP, Chicago, IL, John D. Simmons , Stephen E. Murray , Panitch Schwarze Belisario & Nadel, LLP, Philadelphia, PA, for Defendants.

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...

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