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Trademark Registration › DuPont Factors › Trademark Application

Knobbe Martens

Sunkist Squeezes Out a Win and Kisses Kist Goodbye!

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SUNKIST GROWERS, INC. v. INTRASTATE DISTRIBUTORS, INC. - Before Prost, Taranto, and Stark.  Appeal from the Trademark Trial and Appeal Board. The TTAB incorrectly found that similar trademarks created distinct commercial...more

Haug Partners LLP

In QuikTrip West., Inc. v. Weigel Stores, Inc., the Federal Circuit Clarifies the Importance of the First DuPont Factor in...

Haug Partners LLP on

In a January 8, 2021 decision affirming the United States Patent and Trademark Office Trademark Trial and Appeal Board’s (the “Board’s”) dismissal of appellant QuikTrip West, Inc.’s (“QuikTrip’s”) opposition to Weigel Stores,...more

Knobbe Martens

Where's the Beef? Establishing Fame in Trademark Disputes

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A decision from the Federal Circuit clarified how the USPTO should analyze evidence of fame under the fifth DuPont factor. The decision sheds light on how fashion brands can establish that their marks are famous through...more

Dorsey & Whitney LLP

DuPont Factors of Likely Confusion – Long Term Co-Existence Without Confusion Deserves Consideration by TTAB

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Recently, the Court of Appeals for the Federal Circuit vacated and remanded to the Trademark Trial and Appeal Board a decision on an ex parte appeal regarding a likelihood of confusion between the applicant’s mark GUILD...more

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