#1Christopher John Rudy
Based in MI
Patent Attorneys & Agents in St. Clair County, MI
The top-ranked patent attorneys and agents serving St. Clair County, MI are Christopher John Rudy, Gabriel S Ferguson and Thomas F Quinn Jr (ITIP Proficiency LLC). We list 34 patent attorneys and agents serving St. Clair County, MI. 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 St. Clair County, MI. 34 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 St. Clair County
#2Gabriel S Ferguson
Based in MI#3Thomas F Quinn Jr (ITIP Proficiency LLC)
Based in MI#4Thomas N Twomey (Delphi Automotive/Delphi Corporation)
Based in MI#5Russell W Blum
Serves this area from MI#6Jack S. Myrick
Serves this area from MI#7Mark B. Adamaszek
Serves this area from MI#8Todd M Johnson
Serves this area from MI#9Ryan C Kargula
Serves this area from MI#10Adam P Rose
Serves this area from MI
20 more providers serving this area
- Cary D Perttunen, MI
- Pete Nick Kiousis (Brooks Group), MI
- Robert C. Brooks (Brooks Group), MI
- Bradley G Crooker, MI
- Michael Joseph Karwoski, MI
- Lynn E Cargill (Cargill & Associates, PLLC), Mount Clemens, MI (25 mi)
- Jacob N. Allen, MI
- Linda A Crum, MI
- MaryAnn C Fick, MI
- Elizabeth A Pyden, MI
- Paul S Czarnota, MI
- Charles S Voeltzel, MI
- Eliyahu Y. Kaplunovsky, Sterling Heights, MI (29 mi)
- Charles E Neff (Friction Coating), Sterling Heights, MI (29 mi)
- Gerald J Halk (Sterling Endodontics), Sterling Heights, MI (29 mi)
- Markell Seitzman (Key Safety Systems, Inc.), Sterling Heights, MI (29 mi)
- Benita J Rohm (Rohm & Monsanto, PLC), St. Clair Shores, MI (32 mi)
- David B Freeman (General Dynamics Land Systems ( Legal Department)), Sterling Heights, MI (32 mi)
- Renee Rachel Jurkiw (General Motors), Warren, MI (34 mi)
- Robert M Miller (Christopher P. Maiorana, P.C.), St. Clair Shores, MI (34 mi)
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Frequently asked questions
How many patent attorneys and agents serve St. Clair County?
We list 34 patent attorneys and agents serving St. Clair County, MI: 4 based there and 30 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 St. Clair County?
The top-ranked patent attorneys and agents serving St. Clair County, MI are Christopher John Rudy, Gabriel S Ferguson, Thomas F Quinn Jr (ITIP Proficiency LLC), Thomas N Twomey (Delphi Automotive/Delphi Corporation) and Russell W Blum. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving St. Clair County are verified against official records?
10 of the top 10 match an active official record: Christopher John Rudy (U.S. Patent and Trademark Office), Gabriel S Ferguson (U.S. Patent and Trademark Office), Thomas F Quinn Jr (ITIP Proficiency LLC) (U.S. Patent and Trademark Office), Thomas N Twomey (Delphi Automotive/Delphi Corporation) (U.S. Patent and Trademark Office) and Russell W Blum (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
Port Huron, Marysville, St. Clair, Pearl Beach, Algonac, Marine City, Capac, Yale, Ruby, Lakeport, Emmett