E. I. Du Pont De Nemours & Company v. Berkley and Company, Inc., E. I. Du Pont De Nemours & Company v. Berkley and Company, Inc.

U.S. Court of Appeals, Eighth Circuit · Decided 1980-03-17

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MARKEY, Chief Judge. E. I. du Pont de Nemours Company (DuPont) appeals from a judgment holding invalid its United States patent No. 3,063,189 (DuPont patent). Berkley Company, Inc. (Berkley) appeals the dismissal of its antitrust counterclaim and denial of its motion for attorney’s fees and costs. We reverse the ju…

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