#1Mark A Appleton (Appleton Law Office)
Serves this area from IL
Patent Attorneys & Agents in Warren County, IL
The top-ranked patent attorneys and agents serving Warren County, IL are Mark A Appleton (Appleton Law Office), William F Lindquist and Matthew D. Weeks. We list 3 patent attorneys and agents serving Warren County, IL. 3 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 Warren County, IL. 3 providers, 3 of the top 3 verified against federal or state records. Registry records checked on 2026-11-04.
Top 3 ranked patent attorneys and agents for Warren County
| # | Provider | Verified records | Based in | Phone |
|---|---|---|---|---|
| 1 | Mark A Appleton (Appleton Law Office) | Registered to practice before the USPTO in patent matters#29607 | IL | (309) 582-5121 |
| 2 | William F Lindquist | Registered to practice before the USPTO in patent matters#37990 | IL | (309) 582-2833 |
| 3 | Matthew D. Weeks | Registered to practice before the USPTO in patent matters#78420 | IL | (715) 220-7264 |
#2William F Lindquist
Serves this area from IL#3Matthew D. Weeks
Serves this area from IL
Request quotes
Frequently asked questions
How many patent attorneys and agents serve Warren County?
We list 3 patent attorneys and agents serving Warren County, IL: 0 based there and 3 serving it from nearby. 3 of the top 3 match an active federal or state record, checked on 2026-11-04.
Which patent attorneys and agents serve Warren County?
The top-ranked patent attorneys and agents serving Warren County, IL are Mark A Appleton (Appleton Law Office), William F Lindquist and Matthew D. Weeks. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Warren County are verified against official records?
3 of the top 3 match an active official record: Mark A Appleton (Appleton Law Office) (U.S. Patent and Trademark Office), William F Lindquist (U.S. Patent and Trademark Office) and Matthew D. Weeks (U.S. Patent and Trademark Office). 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
Monmouth, Roseville, Alexis, Kirkwood, Little York, Cameron