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VISKASE COMPANIES, INC. v. WORLD PAC INTERN.

No. 09 C 5022.

731 F.Supp.2d 764 (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.

August 9, 2010.

Attorney(s) appearing for the Case

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

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

MEMORANDUM OPINION AND ORDER

ELAINE E. BUCKLO, District Judge.

In August of 2009, plaintiff Viskase sought a declaratory judgment that it does not infringe any valid claim of U.S. Patent No. 6,200,613 (the "'613 patent"), which is owned by defendant World Pac International USA ("World Pac USA").1 In response, World Pac brought a counterclaim for patent infringement and moved for a preliminary injunction. For the following...

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