Consac Industries, Inc. v. Forest Essentials
2 Cited authorities
In re E. I. DuPont DeNemours & Co.
476 F.2d 1357 (C.C.P.A. 1973) Cited 190 times 32 Legal AnalysesReciting thirteen factors to be considered, referred to as "DuPont factors"
Century 21 Real Estate Corp. v. Century Life of America
970 F.2d 874 (Fed. Cir. 1992) Cited 39 timesFinding similarity between "CENTURY 21" and "CENTURY LIFE OF AMERICA" in part because "consumers must first notice th[e] identical lead word"