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USPTO TTAB Opposition: OCEANINE by Warner Bros. Entertainment Inc.

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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) has issued a Notice of Default in the opposition case TTAB91304255, involving Warner Bros. Entertainment Inc. as the plaintiff and Ruishui Yu as the defendant concerning the trademark OCEANINE. The notice indicates a default judgment against the defendant.

What changed

The USPTO Trademark Trial and Appeal Board (TTAB) has issued a Notice of Default in the opposition proceeding TTAB91304255. This action stems from an opposition filed by Warner Bros. Entertainment Inc. against the trademark OCEANINE, with Ruishui Yu listed as the defendant. The notice signifies that the defendant has failed to respond or otherwise participate in the proceedings, leading to a default judgment against them.

This default judgment means the TTAB will likely rule in favor of Warner Bros. Entertainment Inc. regarding the opposition to the OCEANINE trademark. The defendant, Ruishui Yu, has failed to meet their obligations in the legal process, and the plaintiff's claims are likely to be upheld without further contest. Legal professionals involved in trademark opposition proceedings should note the implications of default judgments and the importance of timely responses to TTAB actions.

What to do next

  1. Review TTAB default judgment procedures
  2. Assess implications for ongoing trademark oppositions

Penalties

Default judgment against the defendant, likely resulting in the cancellation or denial of the contested trademark registration.

Source document (simplified)

← USPTO TTAB Proceedings

Opposition: OCEANINE

Opposition TTAB91304255-20260318 Kind: OPP Mar 18, 2026

Abstract

NOTICE OF DEFAULT
Plaintiff: Warner Bros. Entertainment Inc.
Defendant: Ruishui Yu
Mark at issue: OCEANINE

Filing Date

2026-01-06

View original document →

Named provisions

Notice of Default

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
TTAB91304255-20260318
Docket
TTAB91304255

Who this affects

Applies to
Legal professionals
Industry sector
5411 Legal Services
Activity scope
Trademark Opposition
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Trademarks Litigation

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