#1Andrew C Greenberg
Based in CA
Patent Attorneys & Agents in Napa County, CA
The top-ranked patent attorneys and agents serving Napa County, CA are Andrew C Greenberg, Anne E Huffsmith and Anthony M Truchard II (Truchard Vineyards). We list 124 patent attorneys and agents serving Napa County, 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 Napa County, CA. 124 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 Napa County
#2Anne E Huffsmith
Based in CA#3Anthony M Truchard II (Truchard Vineyards)
Based in Napa, CA#4Gerald L Robertson (Law Offices of Gerald L. Robertson & Associates)
Based in CA#5Howard L Speight
Based in CA#6John Martin Howell
Based in Napa, CA#7Katja D Loeffelholz (Dickenson Peatman & Fogarty)
Based in Napa, CA#8Matthew C Bashaw
Based in Napa, CA#9Paul M. Berard
Based in CA#10Robert A O'Brien
Based in CA
20 more providers serving this area
- Robert B Edesess Jr (Shifamed LLC), Angwin, CA
- Scott R Garvey, Napa, CA
- Jackson L Jaro, CA
- Susan M Schmitt, CA
- Mark Vernon Robinson (Law Office of Mark V. Robinson), CA
- Gianna G Kelly, CA
- Heidi Wray Noonan, CA
- Ivan E Rozek (Savantek Patent Services), CA
- Gary Hoenig, Santa Rosa, CA (19 mi)
- Janis Biksa, Santa Rosa, CA (19 mi)
- Ofer I Matalon, Santa Rosa, CA (19 mi)
- Alan Martin Krubiner, CA
- David M Reynolds (Provencher and Flatt LLP), CA
- Pamela L Boling, CA
- Richard Louis Klein, CA
- Erik C Griswold, CA
- Paul R Martin (Martin Law Offices), CA
- Tom H Chang, CA
- Truong Dinh (Dinh & Associates), CA
- Albert Milton Crowder Jr (Office Of A. M. Crowder), CA
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Frequently asked questions
How many patent attorneys and agents serve Napa County?
We list 124 patent attorneys and agents serving Napa County, CA: 12 based there and 112 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 Napa County?
The top-ranked patent attorneys and agents serving Napa County, CA are Andrew C Greenberg, Anne E Huffsmith, Anthony M Truchard II (Truchard Vineyards), Gerald L Robertson (Law Offices of Gerald L. Robertson & Associates) and Howard L Speight. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Napa County are verified against official records?
10 of the top 10 match an active official record: Andrew C Greenberg (U.S. Patent and Trademark Office), Anne E Huffsmith (U.S. Patent and Trademark Office), Anthony M Truchard II (Truchard Vineyards) (U.S. Patent and Trademark Office), Gerald L Robertson (Law Offices of Gerald L. Robertson & Associates) (U.S. Patent and Trademark Office) and Howard L Speight (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 .
Cities in Napa County
Communities served
American Canyon, St. Helena, Calistoga, Yountville, Angwin, Deer Park, Silverado Resort, Moskowite Corner, Rutherford, Oakville