#1Calvin Settachatgul
Serves this area from San Mateo, CA (1 mi)
Patent Attorneys & Agents in San Mateo, CA
The top-ranked patent attorneys and agents serving San Mateo, CA are Calvin Settachatgul, David E Wildman and Devin Lee Looijen (Helix, Inc.). We list 4381 patent attorneys and agents serving San Mateo, CA. 30 of the providers shown match an active record from U.S. Patent and Trademark Office, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Patent Attorneys & Agents serving San Mateo, CA (San Mateo County). 4381 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked patent attorneys and agents for San Mateo
#2David E Wildman
Serves this area from San Mateo, CA (1 mi)#3Devin Lee Looijen (Helix, Inc.)
Serves this area from San Mateo, CA (1 mi)#4James A Gavney Jr (Jag Patent Services LLC)
Serves this area from San Mateo, CA (1 mi)#5James D Tario
Serves this area from San Mateo, CA (1 mi)#6James J Ren (Verkada Inc.)
Serves this area from San Mateo, CA (1 mi)#7Lawrence J Peck
Serves this area from San Mateo, CA (1 mi)#8Lisa E Marks
Serves this area from San Mateo, CA (1 mi)#9Nancy J DeSantis-Vannice
Serves this area from San Mateo, CA (1 mi)#10Shelley P Eberle
Serves this area from San Mateo, CA (1 mi)
20 more providers serving this area
- Achim Brinker, San Mateo, CA (2 mi)
- Aziz Basrai (Shay Glenn LLP), San Mateo, CA (2 mi)
- Brian S Huang, San Mateo, CA (2 mi)
- David A Carpenter (BeiGene LTD), San Mateo, CA (2 mi)
- David C Pauling (Jones Day), San Mateo, CA (2 mi)
- Douglas C Limbach (Shay Glenn LLP), San Mateo, CA (2 mi)
- Earl D Brown Jr, San Mateo, CA (2 mi)
- James Robert Shay (Shay Glenn, LLP), San Mateo, CA (2 mi)
- Justin P Thomas (Shay Glenn LLP), San Mateo, CA (2 mi)
- Kaiyi Aureli Xie (Roblox Corporation), San Mateo, CA (2 mi)
- Karen K. McSwain (Shay Glenn LLP), San Mateo, CA (2 mi)
- Kevin K. Sante, San Mateo, CA (2 mi)
- Laura A Majerus, San Mateo, CA (2 mi)
- Linda K Gont (Shay Glenn LLP), San Mateo, CA (2 mi)
- Madhavi S Patankar (Shay Glenn LLP), San Mateo, CA (2 mi)
- Michael J Beck, San Mateo, CA (2 mi)
- Paul M Klima, San Mateo, CA (2 mi)
- Rachael Vaughn (Roblox), San Mateo, CA (2 mi)
- Richard D Shoop (Shay Glenn LLP), San Mateo, CA (2 mi)
- Rutawari Sharma (Shay Glenn LLP), San Mateo, CA (2 mi)
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Frequently asked questions
How many patent attorneys and agents serve San Mateo?
We list 4381 patent attorneys and agents serving San Mateo, CA: 0 based there and 4381 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which patent attorneys and agents serve San Mateo?
The top-ranked patent attorneys and agents serving San Mateo, CA are Calvin Settachatgul, David E Wildman, Devin Lee Looijen (Helix, Inc.), James A Gavney Jr (Jag Patent Services LLC) and James D Tario. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving San Mateo are verified against official records?
10 of the top 10 match an active official record: Calvin Settachatgul (U.S. Patent and Trademark Office), David E Wildman (U.S. Patent and Trademark Office), Devin Lee Looijen (Helix, Inc.) (U.S. Patent and Trademark Office), James A Gavney Jr (Jag Patent Services LLC) (U.S. Patent and Trademark Office) and James D Tario (U.S. Patent and Trademark Office), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What is the difference between a patent attorney and a patent agent?
Both are registered with the USPTO to prepare and prosecute patent applications. Patent attorneys are also licensed lawyers and can handle litigation and other legal matters; agents cannot.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .