Professional Systems Corp.

5 Cited authorities

In re E. I. DuPont DeNemours & Co.
476 F.2d 1357 (C.C.P.A. 1973) Cited 190 times 33 Legal Analyses
Reciting 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 times
Holding 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"
Federated Foods v. Fort Howard Paper Co.
544 F.2d 1098 (C.C.P.A. 1976) Cited 16 times 1 Legal Analyses
Stating that the mere existence of modern supermarket containing wide variety or products should not foreclose further inquiry into the likelihood of confusion arising from the use of similar marks on any goods so displayed
Warner-Hudnut, Inc. v. Wander Company
280 F.2d 435 (C.C.P.A. 1960) Cited 6 times
Patent Appeal No. 6533. July 20, 1960. Arnold B. Christen, Washington, D.C., of counsel, for appellant. Davis, Lindsey, Hibben Noyes, Albert W. Bicknell, Chicago, Ill. (George N. Hibben, Chicago, Ill., of counsel), for appellee. Before WORLEY, Chief Judge, RICH, MARTIN and SMITH, Judges, and Judge WILLIAM H. KIRKPATRICK. United States Senior District Judge for the Eastern District of Pennsylvania, designated to participate in place of Judge O'CONNELL, pursuant to provisions of Section 294(d), Title
Section 1052 - Trademarks registrable on principal register; concurrent registration
15 U.S.C. § 1052 Cited 1,607 times 274 Legal Analyses
Granting authority to refuse registration to a trademark that so resembles a registered mark "as to be likely, when used on or in connection with the goods of the applicant, to cause confusion, or to cause mistake, or to deceive"

Professional Systems Corp.

5 Cited authorities

In re E. I. DuPont DeNemours & Co.

Reciting thirteen factors to be considered, referred to as "DuPont factors"

Electronic Design Sales v. Electronic Sys

Holding 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"

Federated Foods v. Fort Howard Paper Co.

Stating that the mere existence of modern supermarket containing wide variety or products should not foreclose further inquiry into the likelihood of confusion arising from the use of similar marks on any goods so displayed

Warner-Hudnut, Inc. v. Wander Company

Section 1052 - Trademarks registrable on principal register; concurrent registration

Granting authority to refuse registration to a trademark that so resembles a registered mark "as to be likely, when used on or in connection with the goods of the applicant, to cause confusion, or to cause mistake, or to deceive"