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Teflon Trademark Claims Shouldn't Stick: Pureflex

Law360 (December 5, 2007, 12:00 AM EST) -- Valve maker Pureflex Inc., which was sued by DuPont De Nemours & Co. over its usage of the Teflon trademark, said in court on Tuesday that the mark had been used enough times to make it generic and that DuPont was violating antitrust laws by using the trademark.

DuPont first sued Michigan-based Pureflex Inc. in mid-November, alleging that the company had misused the Teflon mark by using it in advertising and promotional materials, as well as on its Web sites – www.pureflex.com and www.teflonhose.com.

At pureflex.com,...
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