#1Joel R Penton
Based in MT
Patent Attorneys & Agents in Flathead County, MT
The top-ranked patent attorneys and agents serving Flathead County, MT are Joel R Penton, Robert A. Haupt (Sylvanova Inc) and Robin Doria Kelson. We list 14 patent attorneys and agents serving Flathead County, MT. 14 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 Flathead County, MT. 14 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 Flathead County
#2Robert A. Haupt (Sylvanova Inc)
Based in MT#3Robin Doria Kelson
Based in MT#4William J Egan III
Serves this area from MT#5Katie Ellen Sako
Serves this area from MT#6Donald D Mondul (Law Office of Donald D. Mondul)
Serves this area from MT#7Yuval C Avniel (Micro Powder Solutions, LLC)
Serves this area from MT#8John F Haffey (Haffey Vap PLLC)
Serves this area from Missoula, MT (98 mi)#9Katherine E Sullivan (Katherine E Sullivan, PLLC)
Serves this area from Missoula, MT (98 mi)#10Mitchell J. W. Vap (Phillips Haffey, P.C.)
Serves this area from Missoula, MT (98 mi)
4 more providers serving this area
- Sarah J Rhoades (Rhoades Intellectual Property Law, PLLC), Missoula, MT (98 mi)
- Zachary A Scott (The University of Montana), Missoula, MT (99 mi)
- Jerry D Guenther (Jerry D. Guenther, Attorney at Law), MT
- Michael S Kakuk (Kakuk Law Offices, P.C.), MT
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Frequently asked questions
How many patent attorneys and agents serve Flathead County?
We list 14 patent attorneys and agents serving Flathead County, MT: 3 based there and 11 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 Flathead County?
The top-ranked patent attorneys and agents serving Flathead County, MT are Joel R Penton, Robert A. Haupt (Sylvanova Inc), Robin Doria Kelson, William J Egan III and Katie Ellen Sako. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Flathead County are verified against official records?
10 of the top 10 match an active official record: Joel R Penton (U.S. Patent and Trademark Office), Robert A. Haupt (Sylvanova Inc) (U.S. Patent and Trademark Office), Robin Doria Kelson (U.S. Patent and Trademark Office), William J Egan III (U.S. Patent and Trademark Office) and Katie Ellen Sako (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
Kalispell, Whitefish, Evergreen, Columbia Falls, Bigfork, Lakeside, Helena Flats, Marion, Somers, Hungry Horse, Coram, Martin City, Kila, Batavia, Forest Hill Village, West Glacier, Olney, Little Bitterroot Lake, Rhodes, Pinnacle, Essex, Snowslip, Niarada, Polebridge