Patent Attorneys & Agents in Sioux Falls, SD
The top-ranked patent attorneys and agents serving Sioux Falls, SD are Brendan B Dix (Kaufhold & Dix Patent Law), Malissa C. Eng (Kaufhold & Dix Patent Law) and Maximilian R Peterson (Maximilian R Peterson). We list 18 patent attorneys and agents serving Sioux Falls, 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 Sioux Falls, SD (Minnehaha County). 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 Sioux Falls
- Serves this area from Sioux Falls, SD (0 mi)
#2Malissa C. Eng (Kaufhold & Dix Patent Law)
Serves this area from Sioux Falls, SD (0 mi)#3Maximilian R Peterson (Maximilian R Peterson)
Serves this area from Sioux Falls, SD (0 mi)#4Sean A Kaufhold
Serves this area from Sioux Falls, SD (0 mi)#5Jeffrey A Proehl (Woods, Fuller, Shultz & Smith, PC)
Serves this area from Sioux Falls, SD (1 mi)#6D Lawrence Letham (Letham Law Firm PLLC)
Serves this area from Sioux Falls, SD (2 mi)#7Cary R Reeves (POET)
Serves this area from Sioux Falls, SD (5 mi)#8Roger Schlafly
Serves this area from Sioux Falls, SD (5 mi)#9Anna M. Moe (Kaufhold & Dix Patent Law)
Serves this area from SD#10David M Lazoff
Serves this area from SD
8 more providers serving this area
- 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
- Ethan P Metz, Sioux Falls, SD (5 mi)
- Paul Leo McGrane, Sioux Falls, SD (6 mi)
- Steven Joseph Keough (Keough Patent Law), SD
Request quotes
Frequently asked questions
How many patent attorneys and agents serve Sioux Falls?
We list 18 patent attorneys and agents serving Sioux Falls, SD: 0 based there and 18 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 Sioux Falls?
The top-ranked patent attorneys and agents serving Sioux Falls, SD are Brendan B Dix (Kaufhold & Dix Patent Law), Malissa C. Eng (Kaufhold & Dix Patent Law), Maximilian R Peterson (Maximilian R Peterson), Sean A Kaufhold 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 Sioux Falls 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), Malissa C. Eng (Kaufhold & Dix Patent Law) (U.S. Patent and Trademark Office), Maximilian R Peterson (Maximilian R Peterson) (U.S. Patent and Trademark Office), Sean A Kaufhold (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 .