#1Adam B. Coelho
Based in Ludlow, MA
Patent Attorneys & Agents in Hampden County, MA
The top-ranked patent attorneys and agents serving Hampden County, MA are Adam B. Coelho, Alan Curtis Cohen and Brendan J Kennedy (MilliporeSigma). We list 405 patent attorneys and agents serving Hampden 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 Hampden County, MA. 405 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 Hampden County
#2Alan Curtis Cohen
Based in Springfield, MA#3Brendan J Kennedy (MilliporeSigma)
Based in Wilbraham, MA#4Corrina L Hale
Based in Chicopee, MA#5Dana A Gronbeck
Based in Westfield, MA#6Deborah A Basile (Doherty, Wallace, Pillsbury & Murphy, P.C.)
Based in Springfield, MA#7Dennis G Morrell
Based in Chicopee, MA#8Donald S Holland (Holland & Bonzagni, PC)
Based in Longmeadow, MA#9Hubert W. Pfabe (The Law Offices of H.W. Pfabe)
Based in East Longmeadow, MA#10James C Duda (Bulkley, Richardson and Gelinas, LLP)
Based in Springfield, MA
20 more providers serving this area
- James K Grogan (Grogan, Tuccillo & Vanderleeden, LLP), Springfield, MA
- John M Buchanan, Holyoke, MA
- Joseph H Pak, Longmeadow, MA
- Kevin H Vanderleeden (Grogan, Tuccillo & Vanderleeden, LLP), Springfield, MA
- Kyra R. Lagoy, Ludlow, MA
- Leonard Stanley Michelman, Springfield, MA
- Margaret K Leahy, Springfield, MA
- Mary R Bonzagni (Bulkley, Richardson and Gelinas, LLP), Springfield, MA
- Michael A Toto, Agawam Town, MA
- Michael Crosby, Brimfield, MA
- Michael D. Cartona (Grogan, Tuccillo & Vanderleeden, LLP), Springfield, MA
- Michael John Murphy, Longmeadow, MA
- Nicholas J Tuccillo (Grogan, Tuccillo & Vanderleeden, LLP), Springfield, MA
- Nicholas R. Labodycz, Southwick, MA
- Patrick Joseph O'Shea (O'Shea P.C.), Springfield, MA
- Philip S Scuderi (Scuderi Group, LLC), West Springfield Town, MA
- Richard Henry Kosakowski, East Longmeadow, MA
- Roger C. Phillips (Law Office of Roger C. Phillips), Agawam Town, MA
- Seth M Wilson, Monson, MA
- Stanton Edward Collier (Act-On-Technology Law Office), Holyoke, MA
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Frequently asked questions
How many patent attorneys and agents serve Hampden County?
We list 405 patent attorneys and agents serving Hampden County, MA: 35 based there and 370 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 Hampden County?
The top-ranked patent attorneys and agents serving Hampden County, MA are Adam B. Coelho, Alan Curtis Cohen, Brendan J Kennedy (MilliporeSigma), Corrina L Hale and Dana A Gronbeck. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Hampden County are verified against official records?
10 of the top 10 match an active official record: Adam B. Coelho (U.S. Patent and Trademark Office), Alan Curtis Cohen (U.S. Patent and Trademark Office), Brendan J Kennedy (MilliporeSigma) (U.S. Patent and Trademark Office), Corrina L Hale (U.S. Patent and Trademark Office) and Dana A Gronbeck (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 .
Cities in Hampden County
Communities served
Westfield, Holyoke, West Springfield Town, Agawam Town, Ludlow, East Longmeadow, Longmeadow, Wilbraham, Palmer Town, Southwick, Monson, Hampden, Brimfield, Holland, Monson Center, Wales, Russell, Granville, Chester, Blandford, Montgomery, Tolland