#1Carlos Chapek
Based in NY
Patent Attorneys & Agents in Ontario County, NY
The top-ranked patent attorneys and agents serving Ontario County, NY are Carlos Chapek, Collin J. Petruzzelli and Henry W Altland. We list 198 patent attorneys and agents serving Ontario County, NY. 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 Ontario County, NY. 198 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 Ontario County
#2Collin J. Petruzzelli
Based in NY#3Henry W Altland
Based in NY#4John C Fox
Based in NY#5Leigh A Danielson
Based in NY#6Michael E Coyne (LSI Solutions)
Based in NY#7Paul B Merkel
Based in NY#8Paul E. Brock II
Based in NY#9Randall S Wayland
Based in NY#10William Larry Chapman
Based in NY
20 more providers serving this area
- Peter C Cody, NY
- Catherine R. Downey, NY
- Donna Kay Rankin-Parobek, NY
- Jeffrey D. Hanson (Aloy Engineering LLC), NY
- Mary Anne Magee, NY
- Morgan S. Adessa, NY
- David F Bassett, NY
- Glenn D Smith (Turk Hill Intellectual Property Associates), NY
- Joanna Toke Brougher (BioPharma Law Group, PLLC), NY
- Judith L Byorick, NY
- Kelly S. Robinson (Electrostatic Answers LLC), NY
- Madirakshi Das (Lee & Hayes PC), NY
- Paolo Filippetti (Blasland, Bouck & Lee, Inc.), NY
- John M Hammond (Patent Innovations LLC), NY
- Peter Rogalskyj (The Law Office of Peter Rogalskyj), NY
- Andrew D Ryan, NY
- Christopher E Blank (Schmeiser, Olsen & Watts, LLP), NY
- Fritz F Ebner, NY
- James S. Eilertsen (Cato IP, LLC), NY
- James T. Durkin, NY
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Frequently asked questions
How many patent attorneys and agents serve Ontario County?
We list 198 patent attorneys and agents serving Ontario County, NY: 10 based there and 188 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 Ontario County?
The top-ranked patent attorneys and agents serving Ontario County, NY are Carlos Chapek, Collin J. Petruzzelli, Henry W Altland, John C Fox and Leigh A Danielson. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Ontario County are verified against official records?
10 of the top 10 match an active official record: Carlos Chapek (U.S. Patent and Trademark Office), Collin J. Petruzzelli (U.S. Patent and Trademark Office), Henry W Altland (U.S. Patent and Trademark Office), John C Fox (U.S. Patent and Trademark Office) and Leigh A Danielson (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 .
Communities served
Geneva, Canandaigua, Victor, Clifton Springs, Phelps, Manchester, Shortsville, Bloomfield, Naples, Honeoye, Crystal Beach, Gorham, Port Gibson, Hall