The US Court of Appeals for the 4th Circuit holds that the lower court erred in defining the relevant geographic market in an antitrust monopoly claim over the para-aramid fiber industry under section 2 of the Sherman Act (DuPont de Nemours / Kolon)

Monopoly Claims Against DuPont Revived by Fourth Circuit* Claims that E.I. du Pont de Nemours and Company attempted to wield, and did wield, monopoly power over the U.S. para-aramid fiber market in violation of Sec. 2 of the Sherman Act should not have been dismissed, the U.S. Court of Appeals in Richmond, Virginia, has decided. Kolon Industries, Inc., a small seller of para-aramid fibers to U.S. consumers, plausibly pled monopolization and attempted monopolization counterclaims in a trade secrets suit brought by DuPont against its rival. Dismissal of Kolon’s antitrust counterclaims (2009-2 Trade Cases ¶76,861, 683 F. Supp. 2d 401) was reversed. DuPont sold over 70 percent of the para-aramid

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  • Wolters Kluwer (Riverwoods)

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Jeffrey May, The US Court of Appeals for the 4th Circuit holds that the lower court erred in defining the relevant geographic market in an antitrust monopoly claim over the para-aramid fiber industry under section 2 of the Sherman Act (DuPont de Nemours / Kolon), 11 March 2011, e-Competitions Bulletin Amicus curiae, Art. N° 36051

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