#1Adelaide Kern Leitzel
Based in OH
Patent Attorneys & Agents in Butler County, OH
The top-ranked patent attorneys and agents serving Butler County, OH are Adelaide Kern Leitzel, Andrew R. Barnes and Benjamin R. Kean. We list 384 patent attorneys and agents serving Butler County, OH. 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 Butler County, OH. 384 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 Butler County
#2Andrew R. Barnes
Based in OH#3Benjamin R. Kean
Based in Fairfield, OH#4Brian P Overbeck
Based in OH#5Cynamon T Trokhan (Parrish, Fryman & Maraim Co., L.P.A.)
Based in Hamilton, OH#6Edward J Milbrada
Based in OH#7Eric S. Foster (Cleveland Cliffs)
Based in OH#8Eric W Guttag
Based in OH#9Hannah E Mehrle
Based in OH#10Jack C McGowan (Jack C McGowan and Assocs)
Based in OH
20 more providers serving this area
- James C Kellerman (The Rosenbauer Law Office), OH
- Larry LeRoy Huston (Retired from The Procter & Gamble Company), OH
- Mary F Sweeney (Fran Sweeney, LLC), OH
- Patricia A Hider (Butler County Probate Court), OH
- Peter D Meyer, OH
- Philip A. Sawin (Procter & Gamble), OH
- Richard Alan Lambert, Monroe, OH
- Steven Worthington Miller, OH
- Susmita Subba, Fairfield, OH
- Terrence Edwin Miesle, OH
- W Charles Ehlers (Hasse & Nesbitt, LLC), Seven Mile, OH
- Wednesday G Shipp (The Procter & Gamble Company), Forest Park, OH (11 mi)
- Eileen Louise Murphy Hughett, OH
- Ann G Schoen, Springdale, OH (12 mi)
- A. Ralph Navaro III, Springdale, OH (12 mi)
- A Ralph Navaro Jr, Springdale, OH (12 mi)
- Michael T. Puza (CBTS Technology Solutions), Springdale, OH (12 mi)
- James F. McBride (James F McBride), OH
- William M Selenke, Greenhills, OH (12 mi)
- Bart Steven Hersko (Bart Hersko), OH
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Frequently asked questions
How many patent attorneys and agents serve Butler County?
We list 384 patent attorneys and agents serving Butler County, OH: 21 based there and 363 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 Butler County?
The top-ranked patent attorneys and agents serving Butler County, OH are Adelaide Kern Leitzel, Andrew R. Barnes, Benjamin R. Kean, Brian P Overbeck and Cynamon T Trokhan (Parrish, Fryman & Maraim Co., L.P.A.). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Butler County are verified against official records?
10 of the top 10 match an active official record: Adelaide Kern Leitzel (U.S. Patent and Trademark Office), Andrew R. Barnes (U.S. Patent and Trademark Office), Benjamin R. Kean (U.S. Patent and Trademark Office), Brian P Overbeck (U.S. Patent and Trademark Office) and Cynamon T Trokhan (Parrish, Fryman & Maraim Co., L.P.A.) (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 Butler County
Communities served
Fairfield, Oxford, Monroe, Trenton, Beckett Ridge, Ross, Four Bridges, New Miami, Wetherington, Seven Mile, Millville, Williamsdale, Darrtown, Woodsdale, Somerville, Olde West Chester, Jacksonburg