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Priority review Enforcement Amended Final

USPTO TTAB Opposition Sustained: MARSQUESA

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Filed March 18th, 2026
Detected March 23rd, 2026
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Summary

The USPTO Trademark Trial and Appeal Board (TTAB) sustained an opposition filed by Harry Winston, Inc. against the MARSQUESA trademark owned by Yiwu Meishun E-commerce Co., Ltd. This decision means Harry Winston, Inc. has successfully challenged the registration of the MARSQUESA mark.

What changed

The USPTO's Trademark Trial and Appeal Board (TTAB) has issued a decision sustaining an opposition (Docket No. TTAB91302548) filed by Harry Winston, Inc. against the trademark MARSQUESA, owned by Yiwu Meishun E-commerce Co., Ltd. This ruling signifies that the TTAB found in favor of Harry Winston, Inc., determining that the MARSQUESA mark should not be registered or should be cancelled based on the grounds of opposition.

This decision has direct implications for Yiwu Meishun E-commerce Co., Ltd., potentially preventing the registration or leading to the cancellation of their MARSQUESA trademark. Harry Winston, Inc. has achieved a favorable outcome in this intellectual property dispute. Compliance officers in the e-commerce and retail sectors should note this outcome as an example of successful trademark opposition proceedings and the importance of clear mark distinctiveness and avoiding likelihood of confusion with existing marks.

What to do next

  1. Review trademark portfolio for potential conflicts with MARSQUESA mark.
  2. Assess implications for any ongoing or planned marketing activities using similar branding.

Source document (simplified)

← USPTO TTAB Proceedings

Opposition: MARSQUESA

Opposition TTAB91302548-20260318 Kind: OPP Mar 18, 2026

Abstract

BD DECISION: OPP SUSTAINED
Plaintiff: Harry Winston, Inc.
Defendant: Yiwu Meishun E-commerce Co., Ltd.
Mark at issue: MARSQUESA

Filing Date

2025-10-20

View original document →

Named provisions

Opposition: MARSQUESA

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
USPTO
Filed
March 18th, 2026
Instrument
Enforcement
Legal weight
Binding
Stage
Final
Change scope
Substantive
Document ID
TTAB91302548-20260318
Docket
TTAB91302548

Who this affects

Applies to
Legal professionals
Industry sector
5112 Software & Technology
Activity scope
Trademark Opposition Proceedings
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Trademarks Administrative Law

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