#1Brendan B Dix (Kaufhold & Dix Patent Law)
Based in Sioux Falls, SD
Patent Attorneys & Agents in Minnehaha County, SD
The top-ranked patent attorneys and agents serving Minnehaha County, SD are Brendan B Dix (Kaufhold & Dix Patent Law), Cary R Reeves (POET) and D Lawrence Letham (Letham Law Firm PLLC). We list 18 patent attorneys and agents serving Minnehaha County, SD. 18 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 Minnehaha County, SD. 18 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 Minnehaha County
#2Cary R Reeves (POET)
Based in Sioux Falls, SD#3D Lawrence Letham (Letham Law Firm PLLC)
Based in Sioux Falls, SD#4Ethan P Metz
Based in Sioux Falls, SD#5Jeffrey A Proehl (Woods, Fuller, Shultz & Smith, PC)
Based in Sioux Falls, SD#6Malissa C. Eng (Kaufhold & Dix Patent Law)
Based in Sioux Falls, SD#7Maximilian R Peterson (Maximilian R Peterson)
Based in Sioux Falls, SD#8Paul Leo McGrane
Based in Sioux Falls, SD#9Roger Schlafly
Based in Sioux Falls, SD#10Sean A Kaufhold
Based in Sioux Falls, SD
8 more providers serving this area
- Anna M. Moe (Kaufhold & Dix Patent Law), SD
- David M Lazoff, SD
- Micah J. Collison (Kaufhold & Dix Patent Law), SD
- Pradeep Jayaraman (Jay Law Office, Prof. LLC), SD
- Roberto C Borja (Crafted IP LLC), SD
- Ryan Patrick Fargen (Legacy Law Firm P.C.), SD
- Samuel D Kooima, SD
- Steven Joseph Keough (Keough Patent Law), SD
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Frequently asked questions
How many patent attorneys and agents serve Minnehaha County?
We list 18 patent attorneys and agents serving Minnehaha County, SD: 10 based there and 8 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 Minnehaha County?
The top-ranked patent attorneys and agents serving Minnehaha County, SD are Brendan B Dix (Kaufhold & Dix Patent Law), Cary R Reeves (POET), D Lawrence Letham (Letham Law Firm PLLC), Ethan P Metz and Jeffrey A Proehl (Woods, Fuller, Shultz & Smith, PC). The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Minnehaha County are verified against official records?
10 of the top 10 match an active official record: Brendan B Dix (Kaufhold & Dix Patent Law) (U.S. Patent and Trademark Office), Cary R Reeves (POET) (U.S. Patent and Trademark Office), D Lawrence Letham (Letham Law Firm PLLC) (U.S. Patent and Trademark Office), Ethan P Metz (U.S. Patent and Trademark Office) and Jeffrey A Proehl (Woods, Fuller, Shultz & Smith, PC) (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 .
Cities in Minnehaha County
Communities served
Brandon, Dell Rapids, Hartford, Crooks, Baltic, Garretson, Valley Springs, Colton, Humboldt, Meadow View Addition, Anderson, Renner Corner, Pine Lakes Addition, Sherman, Lyons, Rowena