Massachusetts

Patent attorneys in Massachusetts

Massachusetts hosts 2,875 active patent practitioners registered with the USPTO Office of Enrollment and Discipline. Patent attorneys and patent agents can both prepare and file patent applications, but only patent attorneys can also offer legal advice on prosecution strategy, freedom-to-operate analyses, and infringement opinions in Massachusetts. Practitioners are concentrated across 20 cities, with the largest clusters in the metros listed below. Notable firms with multiple registered practitioners in the state include Pandiscio & Pandiscio, P.C., Lando & Anastasi, LLP, and Entrada Therapeutics, Inc..

Top cities in Massachusetts

All practitioners in Massachusetts

Amanda V Cardona Ferrer

Reg. 73285

Patent agent

Lando & Anastasi, LLP

Cambridge, MA · 02142

617-395-7033

Brian C Carey

Reg. 44590

Patent attorney

Boston, MA · 02110

570-790-6896

Margaret M Carley

Reg. 55625

Patent attorney

Pandiscio & Pandiscio, P.C.

Waltham, MA · 02451

781-290-0060

Robert M Carley

Reg. 69305

Patent attorney

Pandiscio & Pandiscio, P.C.

Weston, MA · 02493

781-290-0060

Deborah Winters Carlson

Reg. 73043

Patent agent

Entrada Therapeutics, Inc.

Boston, MA · 02210

857-520-9158

Steven A Carlson

Reg. 39127

Patent agent

Optodot Corporation

Woburn, MA · 01801

617-513-6313

Eric P Carnevale

Reg. 70609

Patent attorney

Plymouth, MA · 02360

216-548-1658

Connie M Caron

Reg. 48131

Patent agent

Invaio Sciences, Inc.

Cambridge, MA · 02138

617-816-0139

Alan P. Carpenter· Jr.

Reg. 39930

Patent attorney

Carlise, MA · 01741

857-928-4520

Kathleen B Carr

Reg. 41658

Patent attorney

Fennemore Craig, P.C.

Boston, MA · 02210

617-927-9925

Keith E. Carr

Reg. 66046

Patent attorney

Pandiscio & Pandiscio, P.C.

Wellesley, MA · 02481

781-290-0060

Alice O Carroll

Reg. 33542

Patent attorney

Hamilton, Brook, Smith & Reynolds, P.C.

Lincoln, MA · 01773

978-341-0036

Christopher P Carroll

Reg. 55776

Patent attorney

Boston & Galway LLC

Wellesley, MA · 02481

774-217-8051

Barbara J Carter

Reg. 52703

Patent agent

Bromberg and Sunstein LLP

Boston, MA · 02110

617-443-9292 X 366

Michael D. Cartona

Reg. 61960

Patent attorney

Grogan, Tuccillo & Vanderleeden, LLP

Springfiled, MA · 01103

413-736-5401

Kaitlyn C. Cartwright

Reg. 82913

Patent agent

Boston, MA · 02110

617-428-1186

Karishma J Cartwright

Reg. 71817

Patent attorney

Pierce Atwood LLP

Boston, MA · 02110

617-488-8161

David James Caruso

Reg. 77299

Patent agent

Alder Group of Groton

Groton, MA · 01450

978-590-9128

Elton Carvalho Goncalves

Reg. 79536

Patent agent

Brookline, MA · 02445

352-301-6049

Mark J Casey

Reg. 37796

Patent attorney

Hologic, Inc.

Marlborough, MA · 01752

508-263-8494

Sean M Casey

Reg. 71430

Patent attorney

Mintz Levin Cohn Ferris Glovsky and Popeo PC

Boston, MA · 02111

617-348-4738

William J Cass

Reg. 41659

Patent attorney

William J. Cass

Southwick, MA · 01077

860-306-0208

Daniel A Castro

Reg. 63752

Patent agent

Partners Healthcare

Boston, MA · 02199

617-954-9325

Anthony H Cataldo

Reg. 60547

Patent attorney

GreenLight Biosciences

Medford, MA · 02155

857-891-9359

Jason S Cathelyn

Reg. 68195

Patent agent

Acceleron Pharma, Inc

Cambridge, MA · 02139

617-649-9200

Scott J Catlin

Reg. 52709

Patent attorney

Metalenz, Inc.

Boston, MA · 02114

617-758-8338

David F Cauble· Jr.

Reg. 73490

Patent attorney

Novartis Institutes for Biomedical Research, Inc.

Cambridge, MA · 02139

857-378-0321

Lena M Cavallo

Reg. 74465

Patent attorney

Sunstein Kann Murphy & Timbers

Boston, MA · 02110

617-443-9292

Marta Cavero Tomas

Reg. 62817

Patent agent

Ironwood Pharmaceuticals

Cambridge, MA · 02142

617-621-8382

Grace L. Cawdrey

Reg. 80986

Patent agent

DLA Piper LLP

Boston, MA · 02110-1447

513-314-2791

Common questions

Do I need a patent attorney based in Massachusetts?

No. Every USPTO-registered patent practitioner is licensed to file applications on behalf of inventors in any state, regardless of where the practitioner's office is. Choosing a Massachusetts-based practitioner can simplify in-person inventor signings, local meetings, and same-time-zone calls, but it is not a legal requirement.

How many patent attorneys are licensed in Massachusetts?

2,875 active USPTO-registered patent practitioners list a Massachusetts office address on the OEDCI roster. This includes both patent attorneys (who can also offer legal advice) and patent agents (who can prepare and file patents but not offer broader legal advice).

What is the difference between a patent attorney and a patent agent?

Both pass the USPTO Patent Bar and can prepare, file, and prosecute patent applications. Only patent attorneys also hold a state bar license, meaning they can additionally offer legal advice on infringement, licensing, and litigation strategy. Patent agents tend to charge less per hour and are common at large in-house IP departments.