Armstrong Co. v. Nu-Enamel Corp.

Holding that registration of a mark "does not create any substantive rights in the registrant"

Coach House Rest. v. Coach and Six Rest

Holding that a likelihood of confusion furnishes one ground for cancelling a registration

In re E. I. DuPont DeNemours & Co.

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

Resorts of Pinehurst v. Pinehurst National

Holding that likelihood of confusion is the basic test for both common law and federal trademark infringement

Bridgestone/Firestone Research, Inc. v. Automobile Club de l'Ouest de la France

Holding that a petition for cancellation of a registered trademark was barred by the doctrine of laches based on the petitioner's constructive knowledge

Juice Generation, Inc. v. GS Enterprises LLC

Determining that TTAB failed to adequately account for evidence of "a fair number of third-party uses" of similar marks by discounting the evidence for lack of "specifics regarding the extent of sales or promotional efforts surrounding the third-party marks"

Metro Traffic Control v. Shadow Network

Holding that third party may petition to cancel fraudulently obtained trademark registration

Citigroup Inc. v. Capital City Bank Group

Considering "corporate studies tracking awareness of the CITIBANK mark"

Jack Wolfskin Ausrustung Fur Draussen GmbH & Co. KGAA v. New Millennium Sports, S.L.U.

Holding that the Board erred in giving little weight to evidence of registered third-party marks in actual use

Han Beauty, Inc. v. Alberto-Culver Co.

Finding no error because, "while the Board did not make explicit findings about the strength of the [opposer’s mark], the Board’s opinion reveals that the Board considered this factor"

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"

Section 1072 - Registration as constructive notice of claim of ownership

Registering a trademark provides "constructive notice of the registrant's claim of ownership thereof"

Section 1111 - Notice of registration; display with mark; recovery of profits and damages in infringement suit

Providing that profits and damages are not available as civil remedies for trademark infringement unless the trademark registrant gives notice or the defendant has actual knowledge of the federal registration

Section 1091 - Supplemental register

Stating that marks registered on the Supplemental Register "must be capable of distinguishing the applicant's goods or services"

Section 1069 - Application of equitable principles in inter partes proceedings

Providing in the Lanham Act context that "[i]n all inter partes proceedings equitable principles of laches, estoppel, and acquiescence, where applicable may be considered and applied"

Section 1094 - Provisions of chapter applicable to registrations on supplemental register

Declaring evidentiary presumptions of § 1057(b), among other statutes, inapplicable to marks on supplemental register

Section 1092 - Publication; not subject to opposition; cancellation

Providing for cancellation of marks on USPTO's Principal and Supplemental Registers

Section 1095 - Registration on principal register not precluded

Section 2.106 - Answer

Defining compulsory counterclaim as "defense attacking the validity of any one or more of the registrations pleaded in the opposition"