Expeditors IntÂ’l. of Washington, Inc.
2 Cited authorities
In re E. I. DuPont DeNemours & Co.
476 F.2d 1357 (C.C.P.A. 1973) Cited 190 times 33 Legal AnalysesReciting thirteen factors to be considered, referred to as "DuPont factors"
Electronic Design Sales v. Electronic Sys
954 F.2d 713 (Fed. Cir. 1992) Cited 28 timesHolding that purchaser confusion is the "primary focus" and, in case of goods and services that are sold, "the inquiry generally will turn on whether actual or potential `purchasers' are confused"