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WISQ Opposition Dismissed with Prejudice - TTAB Decision TTAB91299021

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Summary

The USPTO Trademark Trial and Appeal Board (TTAB) dismissed Opposition No. 91299021 with prejudice on April 10, 2026. Plaintiff Wilhelm Sihn Jr. GmbH & Co. KG brought the opposition against Defendant Wisq Inc. concerning the trademark WISQ. The opposition, originally filed May 15, 2025, was decided in favor of the applicant Wisq Inc.

What changed

The TTAB issued a final decision dismissing Opposition No. TTAB91299021 with prejudice, meaning the plaintiff cannot refile on the same grounds. The opposition challenging Wisq Inc.'s WISQ trademark registration was unsuccessful after proceedings before the Board.

For trademark applicants and IP practitioners, this decision underscores that opposition proceedings before TTAB can result in final, binding dismissals with prejudice. Companies seeking trademark registration should be prepared to defend against oppositions, while potential opponents should carefully assess the merits before filing to avoid adverse decisions that preclude future challenges to the same application.

What to do next

  1. Monitor TTAB decisions for precedent
  2. Review trademark opposition filing strategies
  3. Consult trademark counsel on opposition risks

Archived snapshot

Apr 13, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO TTAB Proceedings

Opposition: WISQ

Opposition TTAB91299021-20260410 Kind: OPP Apr 10, 2026

Abstract

BD DECISION: OPP DISMISSED W/ PREJ
Plaintiff: Wilhelm Sihn Jr. GmbH & Co. KG
Defendant: Wisq Inc.
Mark at issue: WISQ

Filing Date

2025-05-15

View original document →

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Last updated

Classification

Agency
USPTO TTAB
Filed
April 10th, 2026
Instrument
Enforcement
Legal weight
Binding
Stage
Final
Change scope
Substantive
Document ID
TTAB91299021
Docket
91299021

Who this affects

Applies to
Public companies Technology companies Legal professionals
Industry sector
5112 Software & Technology
Activity scope
Trademark registration Opposition proceedings Trademark prosecution
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Judicial Administration Corporate Governance

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