Search Trademark Classification
View All USPTO Trademark Search APIs →Search trademarks by classification (e.g. Nice class or goods/services). Returns marks matching the given classification term with pagination. Use for class-based trademark lists and classification research.
API Features
Classification-based search Query by classification term to retrieve trademarks in a given class or category
Nice and goods/services alignment Supports classification lists and class-based trademark discovery for filing and research
Pagination support Page and count in path for browsing large classification result sets
Live API Demo
API Response (JSON)
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Use Cases
- Filing preparation: find marks in same class before application
- Nice class research: list trademarks by classification for clearance
- Goods/services comparison: see how competitors are classified
- Trademark portfolio analysis: filter by class across registrations