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Likelihood of Confusion › Trademark Application › DuPont Factors

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

McDermott Will & Schulte

Unbranded Brandy: COGNAC Certification Mark Matters, Even in Hip-Hop

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The US Court of Appeals for the Federal Circuit vacated a ruling from the Trademark Trial & Appeal Board, disagreeing with the Board’s dismissal of Bureau National Interprofessionnel du Cognac’s opposition to a trademark...more

McDermott Will & Schulte

Actual or Potential Consumers in Related Goods Context Doesn’t Require PURE Overlap

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The US Court of Appeals for the Federal Circuit reminded us that, in the context of related goods, the likelihood of confusion analysis does not require that actual or potential consumers of the goods be the same, but only...more

Haug Partners LLP

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

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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

No Kitchen Confusion: When Comparing Marks, the Trademark Board Can Give Less Weight to Shared Terms if the Terms Are Suggestive...

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QUIKTRIP WEST, INC. V. WEIGEL STORES, INC. Before Lourie, O’Malley, and Reyna. Appeal from the Trademark Trial and Appeal Board. Summary: When comparing marks under the Dupont factors, the Board may give less weight to...more

Knobbe Martens

Not All DuPont Factors Are Made Equal

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STRATUS NETWORKS, INC. v. UBTA-UBET COMMUNICATIONS INC. Before Moore, Lourie, and Reyna. Appeal from the Trademark Trial and Appeal Board. Summary: The absence of explicit findings on particular DuPont factors used by...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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