#1 Christian H. Hallerud
Serves this area from Wheaton, IL (1 mi)
Call (630) 200-6936Patent Attorneys & Agents in Wheaton, IL
The top-ranked patent attorneys and agents serving Wheaton, IL are Christian H. Hallerud, Eric R. Waltmire (The Law Office of Randall T. Erickson, P.C.) and Henry C Query Jr (Henry Query, P.C.). We list 2470 patent attorneys and agents serving Wheaton, IL. 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 Wheaton, IL (DuPage County). 2470 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 Wheaton
#2 Eric R. Waltmire (The Law Office of Randall T. Erickson, P.C.)
Serves this area from Wheaton, IL (1 mi)Call (630) 665-9404#3 Henry C Query Jr (Henry Query, P.C.)
Serves this area from Wheaton, IL (1 mi)Call (630) 260-8093#4 John F Rollins (Law Office of John F. Rollins)
Serves this area from Wheaton, IL (1 mi)Call (630) 649-9688#5 Richard Elliott Halsey (R. Elliott Halsey, P.C.)
Serves this area from Wheaton, IL (1 mi)Call (312) 505-1474#6 Robert Louis Marsh
Serves this area from Wheaton, IL (1 mi)Call (630) 681-7500#7 Sean P Quinn (SPQ IP LLC)
Serves this area from Wheaton, IL (1 mi)Call (312) 620-6289#8 Thomas C McGowen (McGowen and McGowen PC)
Serves this area from Wheaton, IL (1 mi)Call (630) 597-7777#9 Aaron H Min (Ruby Cleaners Outlet)
Serves this area from Wheaton, IL (1 mi)Call (630) 788-3900#10 Edward J Mahan
Serves this area from Wheaton, IL (1 mi)Call (231) 878-8558
20 more providers serving this area
- Jason R Smalley, Wheaton, IL (1 mi)
- John Joseph King (The Law Office of John J. King), Wheaton, IL (1 mi)
- Randall Thomas Erickson (Erickson Law Group, PC), Wheaton, IL (1 mi)
- Robert Brian Polit (The Polit IP Law Group, Ltd.), Wheaton, IL (1 mi)
- Roland Wayne Norris, Wheaton, IL (1 mi)
- Brian J Murray, Glen Ellyn, IL (2 mi)
- Christopher T Sorce (Sorce Law, LLC), Glen Ellyn, IL (2 mi)
- Donald L Andruska, Glen Ellyn, IL (2 mi)
- Eric P McAlpine (Groupon, Inc.), Glen Ellyn, IL (2 mi)
- Kirk D Rowe, Glen Ellyn, IL (2 mi)
- Lydia A. Scarpelli (Lydia Scarpelli), Glen Ellyn, IL (2 mi)
- Mary Lynn Andruska, Glen Ellyn, IL (2 mi)
- Michael Braker Johannesen, Glen Ellyn, IL (2 mi)
- Michael P Mazza (Michael P. Mazza, LLC), Glen Ellyn, IL (2 mi)
- Nate Frank Scarpelli, Glen Ellyn, IL (2 mi)
- Randy R Micheletti (Incubate IP), Glen Ellyn, IL (2 mi)
- Werner Ulrich, Glen Ellyn, IA (2 mi)
- Stacy E Caldwell, Winfield, IL (3 mi)
- Ronald B Martin, Carol Stream, IL (4 mi)
- Sarah M Svendsen, Glendale Heights, IL (5 mi)
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Frequently asked questions
How many patent attorneys and agents serve Wheaton?
We list 2470 patent attorneys and agents serving Wheaton, IL: 0 based there and 2470 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 Wheaton?
The top-ranked patent attorneys and agents serving Wheaton, IL are Christian H. Hallerud, Eric R. Waltmire (The Law Office of Randall T. Erickson, P.C.), Henry C Query Jr (Henry Query, P.C.), John F Rollins (Law Office of John F. Rollins) and Richard Elliott Halsey (R. Elliott Halsey, P.C.). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Wheaton are verified against official records?
10 of the top 10 match an active official record: Christian H. Hallerud (U.S. Patent and Trademark Office), Eric R. Waltmire (The Law Office of Randall T. Erickson, P.C.) (U.S. Patent and Trademark Office), Henry C Query Jr (Henry Query, P.C.) (U.S. Patent and Trademark Office), John F Rollins (Law Office of John F. Rollins) (U.S. Patent and Trademark Office) and Richard Elliott Halsey (R. Elliott Halsey, P.C.) (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 .