#1Arnold W Cross (Patent Agent Arnold Cross)
Serves this area from Buena Park, CA (1 mi)
Patent Attorneys & Agents in Buena Park, CA
The top-ranked patent attorneys and agents serving Buena Park, CA are Arnold W Cross (Patent Agent Arnold Cross), Xiaoyi Yao and Gregory Lee Roth (Law Offices of Gregory L Roth). We list 4212 patent attorneys and agents serving Buena Park, 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 Buena Park, CA (Orange County). 4212 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 Buena Park
#2Xiaoyi Yao
Serves this area from Buena Park, CA (1 mi)#3Gregory Lee Roth (Law Offices of Gregory L Roth)
Serves this area from La Palma, CA (2 mi)#4Jacob Binh-Nguyen Bach (Aci Law Group)
Serves this area from La Palma, CA (2 mi)#5Youngil Lee (ACI Law Group, PC)
Serves this area from La Palma, CA (2 mi)#6Hee Jin Kim
Serves this area from Fullerton, CA (3 mi)#7Joshua Y. Baek
Serves this area from Fullerton, CA (3 mi)#8Melody C Chang
Serves this area from Fullerton, CA (3 mi)#9Sai On Clement Jiang
Serves this area from Fullerton, CA (3 mi)#10Steven S Kim
Serves this area from Fullerton, CA (3 mi)
20 more providers serving this area
- Polaphat Veravanich, Cypress, CA (3 mi)
- Byungjoo Park, Anaheim, CA (3 mi)
- Cynthia H O'Donohue (Applied Power Concepts, Inc.), Anaheim, CA (3 mi)
- David S Kim (DK Milestone, LLC), Anaheim, CA (3 mi)
- James C Yang (DANE IP Law PC), Anaheim, CA (3 mi)
- Joseph J Phee (The Blessing), Anaheim, CA (3 mi)
- Robert Ervin Pentzke, Anaheim, CA (3 mi)
- Tobin L Hobbs (Hobbs Trucking Company), Anaheim, CA (3 mi)
- Trinh X Nguyen, Anaheim, CA (3 mi)
- Chao-Ling Kuo, Cerritos, CA (4 mi)
- Cherng H Chao, Cerritos, CA (4 mi)
- Emil J Ali (McCabe & Ali, LLP), Cerritos, CA (4 mi)
- Jon Ustundag (Atkinson, Andelson, Loya, Ruud & Romo), Cerritos, CA (4 mi)
- Ogechi O Ifemembi, Cerritos, CA (4 mi)
- Alfredo J. Arguello, Stanton, CA (4 mi)
- Maria Erlinda CO Sarno (Law Office Of Maria Erlinda C Sarno), Artesia, CA (4 mi)
- Ryan J. Eom, Fullerton, CA (5 mi)
- Al A Canzoneri, South Whittier, CA (5 mi)
- Carole A Quinn, Fullerton, CA (5 mi)
- Hema Pande (Beckman Coulter, Inc.), Fullerton, CA (5 mi)
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Frequently asked questions
How many patent attorneys and agents serve Buena Park?
We list 4212 patent attorneys and agents serving Buena Park, CA: 0 based there and 4212 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 Buena Park?
The top-ranked patent attorneys and agents serving Buena Park, CA are Arnold W Cross (Patent Agent Arnold Cross), Xiaoyi Yao, Gregory Lee Roth (Law Offices of Gregory L Roth), Jacob Binh-Nguyen Bach (Aci Law Group) and Youngil Lee (ACI Law Group, PC). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Buena Park are verified against official records?
10 of the top 10 match an active official record: Arnold W Cross (Patent Agent Arnold Cross) (U.S. Patent and Trademark Office), Xiaoyi Yao (U.S. Patent and Trademark Office), Gregory Lee Roth (Law Offices of Gregory L Roth) (U.S. Patent and Trademark Office), Jacob Binh-Nguyen Bach (Aci Law Group) (U.S. Patent and Trademark Office) and Youngil Lee (ACI Law Group, PC) (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 .