The 13th DuPont Factor
In a likelihood of confusion analysis under Section 2(d) of the Trademark Act, 15 U.S.C. § 1052(d), the thirteenth DuPont factor is a catch-all for “any other established fact probative of the effect of use.” In re E. I. du Pont de Nemours & Co., 476 F.2d 1357, 177 USPQ 563, 567 (CCPA 1973). This thirteenth […]