The listings contain contact information for attorneys and agents with licenses to practice before the US Patent
and Trademark Office. Currently, there are 10862 active agents and 31004 active attorneys.
All searches reflect current information. Information concerning a practitioner's status as an attorney is based on records provided to the Office of Enrollment and Discipline and might not reflect the practitioner's status in a State Bar. Individuals interested in a practitioner's status in a State Bar should contact that State Bar for specific information.
Listing of Active Patent Attorneys and Agents by Geographic Region Entire Roster of Active Patent Attorneys and Agents (ZIP File)
To Search for Patent Attorneys and Agents by Last Name:
Enter a last name in the Last Name entry field. (Note that the Exact match radio button is checked by default. Therefore you must spell the last name of the patent attorney or agent correctly.)
Click the Search button.
To Search for Patent Attorneys and Agents by Business/Firm Name:
Enter the name of the business or firm name in the Business/Firm Name entry field. (Note that the Starts with radio button is checked by default.)
Click the Search button.
To Search for Patent Attorneys and Agents in a City:
Enter the name of the city in the City entry field. (Note that the Exact match radio button is checked by default. Therefore you must spell the city correctly.)
Click the Search button.
To Search for Patent Attorneys and Agents in a State or Province:
Select the name of the state or province in the State/Province drop down box.
Click the Search button.
Other Search Tips:
Use the radio buttons to the right of entry fields and drop down boxes to expand or reduce the number of results in your search.
If you can search by Registration Number, you will get the fastest results.
If your search results in multiple pages of data, use the View All link at the bottom right of the search results page to view all the search results at once.
Do not use a period when using a practitioner's initials in the search criteria.