#1Arthur Dean Olson (Dean Olson Patent Consulting)
Based in Wellfleet, MA
Patent Attorneys & Agents in Barnstable County, MA
The top-ranked patent attorneys and agents serving Barnstable County, MA are Arthur Dean Olson (Dean Olson Patent Consulting), Cecily Anne O'Regan (Fishman Stewart PLLC) and Courtney L Stanton. We list 88 patent attorneys and agents serving Barnstable County, MA. 30 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 Barnstable County, MA. 88 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 Barnstable County
#2Cecily Anne O'Regan (Fishman Stewart PLLC)
Based in Falmouth, MA#3Courtney L Stanton
Based in Bourne, MA#4Douglas Edward Denninger (Douglas E. Denninger, ESQ.)
Based in Bourne, MA#5Elizabeth A O'Brien
Based in Bourne, MA#6Eva J. Helmerhorst (IPbeyondAI, LLP)
Based in Bourne, MA#7George Clarence Myers Jr
Based in Chatham, MA#8Hartley Hoskins
Based in Falmouth, MA#9James M O'Neill (O'Neill Law, P.C.)
Based in Barnstable Town, MA#10John C Andres
Based in Chatham, MA
20 more providers serving this area
- Joshua L Overton (McNamara & Yates, P.C.), Mashpee, MA
- Kathleen M. McCarte, Chatham, MA
- Kevin P Landry (Law Offices Kevin P. Landry, P.C.), Falmouth, MA
- Mark R Patterson, Falmouth, MA
- Matthew David Jones, Orleans, MA
- Melissa A Keeffe, Orleans, MA
- Nicholas A. Schwarz, Falmouth, MA
- R Bruce Blance, Brewster, MA
- Richard A Formato, Harwich, MA
- Richard M. Russell (Law Office of Richard M. Russell), Falmouth, MA
- Steven D Flack, Yarmouth, MA
- William F White (William F White), Barnstable Town, MA
- Eric P Carnevale, Plymouth, MA (27 mi)
- William Ellis Meyer, Plymouth, MA (27 mi)
- Nancy R.M. Russell, Marion, MA (30 mi)
- Cristin H. Cowles (Honigman LLP), Mattapoisett, MA (34 mi)
- David Knaack (Woods Hole Oceanographic Institution), Gosnold, MA (36 mi)
- Gabriel L Hendricks (Woods Hole Oceanographic Institution), Gosnold, MA (36 mi)
- Rosemary A Loer, Gosnold, MA (36 mi)
- Don L Webber (Don Webber IP), Duxbury, MA (36 mi)
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Frequently asked questions
How many patent attorneys and agents serve Barnstable County?
We list 88 patent attorneys and agents serving Barnstable County, MA: 22 based there and 66 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 Barnstable County?
The top-ranked patent attorneys and agents serving Barnstable County, MA are Arthur Dean Olson (Dean Olson Patent Consulting), Cecily Anne O'Regan (Fishman Stewart PLLC), Courtney L Stanton, Douglas Edward Denninger (Douglas E. Denninger, ESQ.) and Elizabeth A O'Brien. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Barnstable County are verified against official records?
10 of the top 10 match an active official record: Arthur Dean Olson (Dean Olson Patent Consulting) (U.S. Patent and Trademark Office), Cecily Anne O'Regan (Fishman Stewart PLLC) (U.S. Patent and Trademark Office), Courtney L Stanton (U.S. Patent and Trademark Office), Douglas Edward Denninger (Douglas E. Denninger, ESQ.) (U.S. Patent and Trademark Office) and Elizabeth A O'Brien (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 .
Communities served
Barnstable Town, Falmouth, Yarmouth, Bourne, Sandwich, Mashpee, Dennis, Harwich, South Yarmouth, Brewster, Chatham, Orleans, East Falmouth, West Yarmouth, Eastham, Yarmouth Port, East Harwich, Northwest Harwich, Buzzards Bay, Forestdale, South Dennis, Sagamore, Provincetown, East Sandwich, Wellfleet, Dennis Port, North Falmouth, Pocasset, Monument Beach, East Dennis, Truro, West Dennis, North Eastham, Harwich Center, Harwich Port, West Falmouth, Teaticket, West Chatham, Mashpee Neck, New Seabury, Woods Hole, Seabrook, Popponesset, Monomoscoy Island, Seconsett Island, Popponesset Island