#1Akshay S Chakravarthy
Based in Oak Park, CA
Patent Attorneys & Agents in Ventura County, CA
The top-ranked patent attorneys and agents serving Ventura County, CA are Akshay S Chakravarthy, Alla Brukman (Amgen Inc.) and Allen J Seltzer (A & Y Services). We list 1709 patent attorneys and agents serving Ventura 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 Ventura County, CA. 1709 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 Ventura County
#2Alla Brukman (Amgen Inc.)
Based in Thousand Oaks, CA#3Allen J Seltzer (A & Y Services)
Based in Moorpark, CA#4Andrew W. Hays (Harbor Freight Tools USA, Inc.)
Based in San Buenaventura (Ventura), CA#5Angela L. Purcell (Amgen Inc.)
Based in Thousand Oaks, CA#6Angelo J Gaz (SoCal IP Law Group LLP)
Based in Thousand Oaks, CA#7Anthony J Orler (Koppel Patrick Heybl & Philpott)
Based in Lake Sherwood, CA#8Ashley Y. Reddy
Based in Thousand Oaks, CA#9Beau D. Champ
Based in San Buenaventura (Ventura), CA#10Bernard P Friedrichsen (Amgen Inc.)
Based in Thousand Oaks, CA
20 more providers serving this area
- Bilyana P Georgieva (Amgen Inc.), Thousand Oaks, CA
- Blake A Welcher (DTS, Inc.), Camarillo, CA
- Booyong S Lim (Angitia Biopharmaceuticals), Lake Sherwood, CA
- Brent Rabowsky, Oxnard, CA
- Brian J. Philpott (Koppel, Patrick, Heybl & Philpott), Lake Sherwood, CA
- Brian Kao (Amgen Inc.), Thousand Oaks, CA
- Brian S Tamsut (SoCal IP Law Group LLP), Thousand Oaks, CA
- Candace P Fowler, Oxnard, CA
- Case A. Lewis, CA
- Cassandra Kay Bright, Camarillo, CA
- Charles C Liu, Thousand Oaks, CA
- Chelsea E. Witte-Garcia (Amgen Inc), Thousand Oaks, CA
- Christina N Gifford (Amgen), Thousand Oaks, CA
- Christopher J Dugger (SoCal IP Law Group), Thousand Oaks, CA
- Christopher M. Ray, Thousand Oaks, CA
- Christopher R Balzan (Balzan Intellectual Property Law, PC), San Buenaventura (Ventura), CA
- Christopher W West (Amgen, Inc), Thousand Oaks, CA
- Colin P Abrahams (Law Office Of Colin P Abrahams), Thousand Oaks, CA
- Corey A Donaldson (Koppel Patrick Heybl & Philpott), Lake Sherwood, CA
- Craig A Crandall (Craig A Crandall, APC), Thousand Oaks, CA
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Frequently asked questions
How many patent attorneys and agents serve Ventura County?
We list 1709 patent attorneys and agents serving Ventura County, CA: 159 based there and 1550 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 Ventura County?
The top-ranked patent attorneys and agents serving Ventura County, CA are Akshay S Chakravarthy, Alla Brukman (Amgen Inc.), Allen J Seltzer (A & Y Services), Andrew W. Hays (Harbor Freight Tools USA, Inc.) and Angela L. Purcell (Amgen Inc.). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Ventura County are verified against official records?
10 of the top 10 match an active official record: Akshay S Chakravarthy (U.S. Patent and Trademark Office), Alla Brukman (Amgen Inc.) (U.S. Patent and Trademark Office), Allen J Seltzer (A & Y Services) (U.S. Patent and Trademark Office), Andrew W. Hays (Harbor Freight Tools USA, Inc.) (U.S. Patent and Trademark Office) and Angela L. Purcell (Amgen Inc.) (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 Ventura County
Communities served
Moorpark, Santa Paula, Port Hueneme, Fillmore, Oak Park, Ojai, El Rio, Mira Monte, Oak View, Meiners Oaks, Santa Rosa Valley, Casa Conejo, Channel Islands Beach, Piru, Bell Canyon, Lake Sherwood, Somis, Santa Susana, Saticoy, Nyeland Acres, North Ventura Avenue