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Portsmouth, New Hampshire

Patent attorneys in Portsmouth

Portsmouth, New Hampshire is home to 10 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 Pierce Atwood LLP, Pierce Atwood, and Lorusso Loud & Kelly, LLP.

MaryDilys S Anderson

Reg. 52560
Patent attorney

Pierce Atwood LLP

Portsmouth, NH · 03801

603-373-2044

Christopher A Baxter

Reg. 72309
Patent attorney

Pierce Atwood LLP

Portsmouth, NH · 03801

603-373-2079

Mason R. Carr

Reg. 80230
Patent agent

Pierce Atwood LLP

Portsmouth, NH · 03801

603-373-2021

Kevin M Farrell

Reg. 35505
Patent attorney

Pierce Atwood

Portsmouth, NH · 03801

603-373-2017

Mark D Lorusso

Reg. 41955
Patent attorney

Lorusso Loud & Kelly, LLP

Portsmouth, NH · 03801

603-427-0070

Cyrus A. Miller

Reg. 71520
Patent agent

Pierce Atwood LLP

Portsmouth, NH · 03801

518-928-7694

Andrew W. Smith

Reg. 77725
Patent attorney

Centripetal Networks, Inc.

Portsmouth, NH · 03801

603-319-4605

George K Stacey

Reg. 35688
Patent attorney

Laborie Medical Technologies Corp.

Portsmouth, NH · 03801

901-488-0451

Shannon M Vittengl

Reg. 55548
Patent attorney

Pierce Atwood

Portsmouth, NH · 03801

603-373-2089

Stephanie E. Westcot

Reg. 78932
Patent agent

Pierce Atwood, LLP

Portsmouth, NH · 03801

603-373-2051

Common questions

Do patent attorneys in Portsmouth 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 Portsmouth tend to track the broader New Hampshire legal market.
How many USPTO practitioners list a Portsmouth office?
10 USPTO-registered patent practitioners list a Portsmouth 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 Portsmouth practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Portsmouth-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
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