In Curtin v. United Trademark Holdings, Inc., No. 23-2140 (Fed. Cir. May 22, 2025), the Federal Circuit affirmed the dismissal of a consumer’s opposition to a trademark registration, holding that an individual lacking a commercial interest does not have statutory standing under 15 U.S.C. § 1063 to oppose trademark registration. Applying the Lexmark zone-of-interests and proximate cause framework—previously used in Lanham Act false advertising and cancellation contexts—the court clarified that opposition proceedings are reserved for parties asserting commercial harm.
Background
United Trademark Holdings (UTH) applied to register the mark RAPUNZEL for dolls and toy figures. Rebecca Curtin, a law professor and doll collector, filed a notice of opposition, asserting that the mark was generic, merely descriptive, and failed to function as a trademark. She claimed harm as a consumer who values access to a competitive marketplace for fairy tale-themed dolls.
The TTAB dismissed her opposition, finding that she failed to demonstrate entitlement to bring the proceeding. Curtin appealed, arguing that the Board erred by applying the Lexmark framework instead of the Federal Circuit’s earlier test from Ritchie v. Simpson, 170 F.3d 1092 (Fed. Cir. 1999), which focused on whether the opposer had a “real interest” and a “reasonable basis” for believing they would be damaged.
Federal Circuit’s Holding
The Federal Circuit upheld the TTAB’s decision and confirmed that Lexmark International, Inc. v. Static Control Components, Inc., 572 U.S. 118 (2014), governs the analysis of who is entitled to bring opposition proceedings under § 1063. The court reasoned that Lexmark provides the correct interpretive framework for determining whether a party falls within the statutory cause of action. It also reiterated its earlier ruling in Corcamore, LLC v. SFM, LLC, 978 F.3d 1298 (Fed. Cir. 2020), which applied Lexmark to cancellation proceedings under § 1064.
In Curtin, the court saw no reason to distinguish § 1063 from § 1064, especially given the parallel statutory language: both provisions authorize action by any person “who believes that he would be damaged” by a trademark registration. The court rejected Curtin’s argument that opposition proceedings are purely administrative and thus not subject to the same statutory cause-of-action analysis.
Zone of Interests and Proximate Cause
Applying the Lexmark test, the court held that Curtin’s interest—as a consumer—fell outside the zone of interests protected by the statutory provisions she invoked (genericness, descriptiveness, and failure to function as a mark). These provisions, the court explained, are designed to protect commercial interests and promote fair competition, not consumer choice or expression per se.
The court also found Curtin’s alleged harms—such as reduced marketplace diversity, higher prices, and diminished access to “classic” Rapunzel dolls—to be too remote. These effects, it held, were speculative and derivative of any direct harm to commercial actors (e.g., doll manufacturers or sellers) and thus insufficient to establish proximate causation under Lexmark.
Notable Precedents
- Lexmark International, Inc. v. Static Control Components, Inc., 572 U.S. 118 (2014): Set the modern framework for statutory standing under the Lanham Act, requiring zone-of-interests and proximate cause analysis.
- Corcamore, LLC v. SFM, LLC, 978 F.3d 1298 (Fed. Cir. 2020): Applied Lexmark to cancellation proceedings under § 1064.
- Ritchie v. Simpson, 170 F.3d 1092 (Fed. Cir. 1999): Pre-Lexmark case applying “real interest” and “reasonable belief of damage” test, now significantly narrowed in scope.
- Luca McDermott Catena Gift Trust v. Fructuoso-Hobbs SL, 102 F.4th 1314 (Fed. Cir. 2024): Reinforced that injuries must not be derivative of harms suffered by third-party commercial actors.
Takeaway
Curtin reinforces that only parties with a commercial interest may invoke § 1063 to oppose trademark registration on grounds such as genericness or descriptiveness. While consumers may be indirectly affected by trademark registrations, those harms do not suffice under the Lanham Act unless they directly relate to a commercial interest. The ruling narrows the scope of opposition proceedings and aligns § 1063 with the broader statutory cause-of-action framework developed in Lexmark and its progeny.
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