How to verify a patent attorney
Answer in brief
Search the USPTO's practitioner roster by name or registration number. A listing shows whether the person is a registered attorney or agent and gives their registration number and address.
Steps
- Ask for the registration number.
- Search the USPTO practitioner roster.
- Confirm the name, status and type (attorney or agent).
- For an attorney, check their state bar's lawyer search too.
Warning signs
- No registration number, or reluctance to give one.
- Invention-promotion firms that are not registered practitioners.
- Guarantees that a patent will be granted.
Sources for this entry
- USPTO — Find a patent practitioner USPTO
The USPTO's own search of registered patent attorneys and agents. - USPTO — Finding a patent practitioner USPTO
USPTO guidance on finding and verifying a registered patent attorney or agent.
Practical guidance is original editorial content. Company-published figures are the company's own claims and are labeled as such.
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How the related websites connect
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The Best Patent Attorneys. “How to verify a patent attorney.” Wysebridge Reference. Content reviewed 9 November 2026.
https://thebestpatentattorneys.com/how-to-verify-a-patent-attorney/