Sprint Communica tions L.P. v. X*Press Information Services, Ltd.
2 Cited authorities
In re E. I. DuPont DeNemours & Co.
476 F.2d 1357 (C.C.P.A. 1973) Cited 188 times 30 Legal AnalysesReciting thirteen factors to be considered, referred to as "DuPont factors"
Kellogg Co. v. Pack'em Enterprises, Inc.
951 F.2d 330 (Fed. Cir. 1991) Cited 14 timesConcluding that “substantial and undisputed differences” between the parties' use of FROOTEE ICE and FROOT LOOPS warranted summary judgment because “the dissimilarity of the marks in their entireties itself made it unlikely that confusion would result from the simultaneous use of the marks”