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CAT CLEAN Trademark Opposition - Caterpillar v. Tianjin Ling

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.