Changeflow GovPing Courts & Legal CAT CLEAN Trademark Opposition - Caterpillar v....
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CAT CLEAN Trademark Opposition - Caterpillar v. Tianjin Ling

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Summary

Caterpillar Inc. has filed Opposition No. TTAB91306731 at the USPTO Trademark Trial and Appeal Board against Tianjin Ling International Trade Co., Ltd. opposing registration of the trademark CAT CLEAN. The opposition was filed on April 20, 2026. This proceeding will determine whether the CAT CLEAN mark is registrable in view of Caterpillar's existing CAT-formative trademarks.

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What changed

Caterpillar Inc. initiated a trademark opposition proceeding against Tianjin Ling International Trade Co., Ltd. challenging the registration of the CAT CLEAN mark before the USPTO Trademark Trial and Appeal Board. The opposition number TTAB91306731 was filed on April 20, 2026.

Trademark applicants and those using similar marks should monitor this proceeding as TTAB outcomes can affect broader trademark strategy and likelihood-of-confusion analysis for CAT-formative marks. This opposition does not create immediate compliance obligations but signals Caterpillar's continued enforcement of its famous CAT trademark family.

Archived snapshot

Apr 21, 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: CAT CLEAN

Opposition TTAB91306731-20260420 Kind: OPP Apr 20, 2026

Abstract

FILED AND FEE
Plaintiff: Caterpillar Inc.
Defendant: Tianjin Ling International Trade Co., Ltd.
Mark at issue: CAT CLEAN

Filing Date

2026-04-20

View original document →

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Last updated

Classification

Agency
USPTO
Published
April 20th, 2026
Instrument
Notice
Branch
Executive
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Docket
TTAB91306731

Who this affects

Applies to
Manufacturers
Industry sector
3364 Aerospace & Defense
Activity scope
Trademark registration Trademark opposition Brand enforcement
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
International Trade Consumer Protection

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