#1 James C Duda (Bulkley, Richardson and Gelinas, LLP)
Serves this area from Springfield, MA (0 mi)
Call (413) 781-2820Patent Attorneys & Agents in Springfield, MA
The top-ranked patent attorneys and agents serving Springfield, MA are James C Duda (Bulkley, Richardson and Gelinas, LLP), Leonard Stanley Michelman and Mary R Bonzagni (Bulkley, Richardson and Gelinas, LLP). We list 405 patent attorneys and agents serving Springfield, 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 Springfield, MA (Hampden County). 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 Springfield
#2 Leonard Stanley Michelman
Serves this area from Springfield, MA (0 mi)Call (413) 737-1166#3 Mary R Bonzagni (Bulkley, Richardson and Gelinas, LLP)
Serves this area from Springfield, MA (0 mi)Call (413) 272-6286#4 Alan Curtis Cohen
Serves this area from Springfield, MA (3 mi)Call (413) 732-9055#5 Margaret K Leahy
Serves this area from Springfield, MA (3 mi)Call (413) 733-3829#6 James K Grogan (Grogan, Tuccillo & Vanderleeden, LLP)
Serves this area from Springfield, MA (3 mi)Call (413) 736-5401#7 Kevin H Vanderleeden (Grogan, Tuccillo & Vanderleeden, LLP)
Serves this area from Springfield, MA (3 mi)Call (413) 736-5401#8 Michael D. Cartona (Grogan, Tuccillo & Vanderleeden, LLP)
Serves this area from Springfield, MA (3 mi)Call (413) 736-5401#9 Nicholas J Tuccillo (Grogan, Tuccillo & Vanderleeden, LLP)
Serves this area from Springfield, MA (3 mi)Call (413) 736-5401#10 William H M Breeze (Grogan, Tuccillo & Vanderleeden LLP)
Serves this area from Springfield, MA (3 mi)Call (919) 417-0181
20 more providers serving this area
- Deborah A Basile (Doherty, Wallace, Pillsbury & Murphy, P.C.), Springfield, MA (3 mi)
- Patrick Joseph O'Shea (O'Shea P.C.), Springfield, MA (3 mi)
- Dennis G Morrell, Chicopee, MA (3 mi)
- Corrina L Hale, Chicopee, MA (4 mi)
- Hubert W. Pfabe (The Law Offices of H.W. Pfabe), East Longmeadow, MA (4 mi)
- Richard Henry Kosakowski, East Longmeadow, MA (4 mi)
- Donald S Holland (Holland & Bonzagni, PC), Longmeadow, MA (5 mi)
- Joseph H Pak, Longmeadow, MA (5 mi)
- Michael John Murphy, Longmeadow, MA (5 mi)
- Philip S Scuderi (Scuderi Group, LLC), West Springfield Town, MA (6 mi)
- Adam B. Coelho, Ludlow, MA (6 mi)
- Brendan J Kennedy (MilliporeSigma), Wilbraham, MA (6 mi)
- Kyra R. Lagoy, Ludlow, MA (6 mi)
- Thomas J. Kennedy III (Kennedy Law Practice, P.C.), Wilbraham, MA (6 mi)
- Michael A Toto, Agawam Town, MA (8 mi)
- Roger C. Phillips (Law Office of Roger C. Phillips), Agawam Town, MA (8 mi)
- John M Buchanan, Holyoke, MA (9 mi)
- Stanton Edward Collier (Act-On-Technology Law Office), Holyoke, MA (9 mi)
- Stephen V O'Brien, Holyoke, MA (9 mi)
- Paul I Brachmann, Enfield, CT (9 mi)
Request quotes
Frequently asked questions
How many patent attorneys and agents serve Springfield?
We list 405 patent attorneys and agents serving Springfield, MA: 0 based there and 405 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 Springfield?
The top-ranked patent attorneys and agents serving Springfield, MA are James C Duda (Bulkley, Richardson and Gelinas, LLP), Leonard Stanley Michelman, Mary R Bonzagni (Bulkley, Richardson and Gelinas, LLP), Alan Curtis Cohen and Margaret K Leahy. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Springfield are verified against official records?
10 of the top 10 match an active official record: James C Duda (Bulkley, Richardson and Gelinas, LLP) (U.S. Patent and Trademark Office), Leonard Stanley Michelman (U.S. Patent and Trademark Office), Mary R Bonzagni (Bulkley, Richardson and Gelinas, LLP) (U.S. Patent and Trademark Office), Alan Curtis Cohen (U.S. Patent and Trademark Office) and Margaret K Leahy (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 .