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Official Sources

Use these sources to verify current status, credentials, documents, fees, and filing information. A direct record is stronger than a copied summary.

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Last updated August 12, 2026

Credentials and professional records

USPTO practitioner searchRegistered patent attorneys and patent agents.State bar directoriesOfficial licensing and lawyer-finder pathways by state.Trademark practitioner guidanceUSPTO guidance on finding and working with a U.S.-licensed attorney.

Trademark records

Trademark SearchFederal mark search.TSDRApplication and registration status and documents.TMEPTrademark examination guidance.

Patent records

Patent CenterApplication filing and records.Patent Public SearchPublished patent documents.MPEPPatent examination guidance.

International systems

WIPO Madrid SystemInternational trademark filing information.WIPO PCTInternational patent application information.