Persoona.ai

Duluth, Minnesota

Patent attorneys in Duluth

Duluth, Minnesota is home to 6 USPTO-registered patent practitioners. Working with a local practitioner can streamline in-person meetings for invention disclosures, signing inventor declarations, and reviewing prior-art search results — but every USPTO practitioner is licensed to practice nationally, so a non-local choice is also valid. Local firms with the most USPTO-registered practitioners include Essentia Health, Cirrus Design Corporation, and Avery, Whigham & Winesett, P.A..

Linda C Barbe

Reg. 52466
Patent attorney

Duluth, MN · 55805

218-728-9163

Jerold M Forsberg

Reg. 30150
Patent attorney

Duluth, MN · 55806

218-786-0348

Craig G Markell

Reg. 53885
Patent agent

Duluth, MN · 55804

651-247-2305

Frank M Modich

Reg. 58570
Patent attorney

Essentia Health

Duluth, MN · 55805

218-786-3807

Andrew Curtis Schmid

Reg. 77489
Patent attorney

Cirrus Design Corporation

Duluth, MN · 55811

218-788-3478

Nathan S Winesett

Reg. 55733
Patent attorney

Avery, Whigham & Winesett, P.A.

Duluth, MN · 55803

218-269-6803

Common questions

Do patent attorneys in Duluth cost more than the national average?
Patent attorney fees vary primarily by experience and complexity of the invention, not by city. A typical provisional patent application in the US runs $1,500 to $5,000; a non-provisional utility filing runs $5,000 to $15,000. Hourly rates in Duluth tend to track the broader Minnesota legal market.
How many USPTO practitioners list a Duluth office?
6 USPTO-registered patent practitioners list a Duluth mailing address on the OEDCI roster. You can sort by firm size and contact each directly using the phone numbers shown.
Can I work with a Duluth practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Duluth-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
build 339e658 · 2026-05-23 16:25 EDT