#1Erik C Oh
Serves this area from Corona, CA (0 mi)
Patent Attorneys & Agents in Corona, CA
The top-ranked patent attorneys and agents serving Corona, CA are Erik C Oh, Mark W Thompson and Philip Y Kim. We list 2725 patent attorneys and agents serving Corona, 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 Corona, CA (Riverside County). 2725 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 Corona
#2Mark W Thompson
Serves this area from Corona, CA (2 mi)#3Philip Y Kim
Serves this area from Corona, CA (2 mi)#4Halit N. Yakupoglu
Serves this area from Corona, CA (3 mi)#5Joseph Sarnowski (Legacy Financial Consulting, LLC)
Serves this area from Corona, CA (3 mi)#6Kirk A Buhler (Buhler & Associates)
Serves this area from Corona, CA (3 mi)#7Pablo G. Pinasco
Serves this area from Corona, CA (3 mi)#8Amy L Hulina (Watson Pharmaceuticals, Inc.)
Serves this area from Eastvale, CA (5 mi)#9Bernard V Ousley
Serves this area from Eastvale, CA (5 mi)#10Brian B Kewo
Serves this area from Eastvale, CA (5 mi)
20 more providers serving this area
- Alexis J Saenz (Law Office of Alexis J Saenz), Riverside, CA (6 mi)
- Allan H Grant (Law Offices of Allan Grant), El Sobrante, CA (7 mi)
- Gregory Scott Richardson, El Sobrante, CA (7 mi)
- Hyok Lee, El Sobrante, CA (7 mi)
- Laura E Pereira (Roll-A-Shade, Inc.), El Sobrante, CA (7 mi)
- Cheng Ju Chiang (Flash Intellectual Property, Inc.), Chino, CA (8 mi)
- Melinda J. Cheng, Chino, CA (8 mi)
- Stuart B Chinn, Temescal Valley, CA (9 mi)
- Zakia Kator, Temescal Valley, CA (9 mi)
- Kevin Yang, Jurupa Valley, CA (10 mi)
- Clarince Joyce L. Cox, Yorba Linda, CA (10 mi)
- Ryan T Banks, Yorba Linda, CA (10 mi)
- Ryan W Vetter, Yorba Linda, CA (10 mi)
- Shufan Lin, Yorba Linda, CA (10 mi)
- Yi Zhu, Yorba Linda, CA (10 mi)
- Taehoon Lim, Riverside, CA (10 mi)
- Andrew C. Setiadi, Anaheim, CA (10 mi)
- Jayasree Vasudevan, Anaheim, CA (10 mi)
- Olav M Underdal (IDP Patent Services), Anaheim, CA (10 mi)
- Tristan D. Lewis, Anaheim, CA (10 mi)
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Frequently asked questions
How many patent attorneys and agents serve Corona?
We list 2725 patent attorneys and agents serving Corona, CA: 0 based there and 2725 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 Corona?
The top-ranked patent attorneys and agents serving Corona, CA are Erik C Oh, Mark W Thompson, Philip Y Kim, Halit N. Yakupoglu and Joseph Sarnowski (Legacy Financial Consulting, LLC). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Corona are verified against official records?
10 of the top 10 match an active official record: Erik C Oh (U.S. Patent and Trademark Office), Mark W Thompson (U.S. Patent and Trademark Office), Philip Y Kim (U.S. Patent and Trademark Office), Halit N. Yakupoglu (U.S. Patent and Trademark Office) and Joseph Sarnowski (Legacy Financial Consulting, LLC) (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 .