#1Donald G Flaynik Jr
Serves this area from Channahon, IL (14 mi)
Patent Attorneys & Agents in Grundy County, IL
The top-ranked patent attorneys and agents serving Grundy County, IL are Donald G Flaynik Jr, Mark D Weis (Mark D. Weis Law, P.C.) and Michael J Knick (Michael Knick, LLC). We list 29 patent attorneys and agents serving Grundy County, IL. 29 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 Grundy County, IL. 29 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 Grundy County
#2Mark D Weis (Mark D. Weis Law, P.C.)
Serves this area from IL#3Michael J Knick (Michael Knick, LLC)
Serves this area from IL#4Helen S Cordell
Serves this area from Yorkville, IL (22 mi)#5Mark J Buonaiuto
Serves this area from Yorkville, IL (22 mi)#6Paul George Fina
Serves this area from Yorkville, IL (22 mi)#7Stephen T Saporta (Saporta Law Offices)
Serves this area from Joliet, IL (23 mi)#8Diana L Vargo
Serves this area from IL#9Emily L Berris
Serves this area from Plainfield, IL (24 mi)#10Catherine J Kim
Serves this area from IL
19 more providers serving this area
- Donell D Babino Sr., Plainfield, IL (27 mi)
- Alexander P. Sheehan, Lockport, IL (28 mi)
- Lawrence E Thompson (The Thompson Law office P.C.), Lockport, IL (28 mi)
- Jeffrey A Ostrom, IL
- Syed M. Ahmed, Aurora, IL (30 mi)
- Austin J Kim, Naperville, IL (31 mi)
- Grant I Anderson, Naperville, IL (31 mi)
- Kalli Q. Sun, Naperville, IL (31 mi)
- Michael M. Thompson (Abbott Laboratories), Naperville, IL (31 mi)
- Qianhong H Wu, Naperville, IL (31 mi)
- Evan Dale Roberts, IL
- Brian Robert Orr, IL
- Gerald K White (Gerald K White and Assocs PC), Homer Glen, IL (31 mi)
- Robert E Giffels, IL
- Davis Chin (Law Offices Of Davis Chin), Frankfort, IL (32 mi)
- Mark L Varboncouer (Varboncouer Law), Frankfort, IL (32 mi)
- Julius Pohlenz (Goss International Corp.), Bolingbrook, IL (33 mi)
- Matthew P Pasulka, Peru, IL (39 mi)
- Zachary Hamilton (Law Office of Zachary Hamilton), IL
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Frequently asked questions
How many patent attorneys and agents serve Grundy County?
We list 29 patent attorneys and agents serving Grundy County, IL: 0 based there and 29 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 Grundy County?
The top-ranked patent attorneys and agents serving Grundy County, IL are Donald G Flaynik Jr, Mark D Weis (Mark D. Weis Law, P.C.), Michael J Knick (Michael Knick, LLC), Helen S Cordell and Mark J Buonaiuto. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Grundy County are verified against official records?
10 of the top 10 match an active official record: Donald G Flaynik Jr (U.S. Patent and Trademark Office), Mark D Weis (Mark D. Weis Law, P.C.) (U.S. Patent and Trademark Office), Michael J Knick (Michael Knick, LLC) (U.S. Patent and Trademark Office), Helen S Cordell (U.S. Patent and Trademark Office) and Mark J Buonaiuto (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
Morris, Minooka, Coal City, Diamond, Seneca, Gardner, Mazon, Braceville, South Wilmington, Carbon Hill, Verona, Kinsman, East Brooklyn