Persoona.ai

Portland, Maine

Patent attorneys in Portland

Portland, Maine is home to 13 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 Tredecim LLC, Pierce Atwood LLP, and Willis E. Higgins, Esq..

Robert M Abrahamsen

Reg. 40886
Patent attorney

Pierce Atwood LLP

Portland, ME · 04101

207-791-1280

Cristobal G. Alvarado

Reg. 80233
Patent agent

Portland, ME · 04102

207-242-7000

Alfred Anthony D'Andrea· Jr

Reg. 27752
Patent attorney

Portland, ME · 04103

207-518-9305

Willis Edward Higgins

Reg. 23025
Patent attorney

Willis E. Higgins, Esq.

Portland, ME · 04102

207-717-8174

Jeffrey C. Joyce

Reg. 72142
Patent attorney

Bohan Mathers, LLC

Portland, ME · 04101

207-773-3132

E. Thomas Maas

Reg. 44885
Patent agent

Maine Patent Program

Portland, ME · 04102

207-228-8430

Patricia M. Mathers

Reg. 44906
Patent attorney

Bohan Mathers and Associates, LLC

Portland, ME · 04112

207-773-3132

Taylor A Noonan

Reg. 76939
Patent attorney

Tredecim LLC

Portland, ME · 04103

207-221-6100

Briana K O'Regan

Reg. 40109
Patent attorney

Sappi North America, Inc.

Portland, ME · 04102

207-854-7070

Matthew J. Schutte

Reg. 82555
Patent attorney

Pierce Atwood LLC

Portland, ME · 04102

207-791-1271

Ande A Smith

Reg. 47951
Patent attorney

Hannaford Bros. Co.

Portland, ME · 04104

207-883-2911

Sean Lewis Sweeney

Reg. 61296
Patent attorney

Tredecim LLC

Portland, ME · 04103

207-221-6100

Mary H Thomas

Reg. 61240
Patent attorney

Portland, ME · 04103

Common questions

Do patent attorneys in Portland 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 Portland tend to track the broader Maine legal market.
How many USPTO practitioners list a Portland office?
13 USPTO-registered patent practitioners list a Portland 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 Portland practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Portland-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
build 4315ed5 · 2026-05-22 14:00 EDT