New Haven, Connecticut

Patent attorneys in New Haven

New Haven, Connecticut is home to 45 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 DeLio & Peterson, LLC, Wiggin and Dana LLP, and Carmody Torrance Sandak & Hennessey, LLP.

Peter William Peterson

Reg. 31867

Patent attorney

DeLio & Peterson, LLC

New Haven, CT · 06511

203-787-0595

Anthony Daniel Sabatelli

Reg. 34714

Patent attorney

Wiggin and Dana LLP

New Haven, CT · 06510

203-498-4365

Kausalya Santhanam

Reg. 53552

Patent agent

New Haven, CT · 06515

203--39-7-3061

Robert M. Schaefer

Reg. 71131

Patent attorney

New Haven, CT · 06511

860-912-7233

Arthur G Schaier

Reg. 37715

Patent attorney

Carmody Torrance Sandak & Hennessey, LLP

New Haven, CT · 06509

203-575-2629

Ryan M Schneer

Reg. 70851

Patent attorney

DILWORTH IP, LLC

New Haven, CT · 06513

203-220-8496

William B Slate

Reg. 37238

Patent attorney

Bachman & LaPointe, P.C.

New Haven, CT · 06510

203-777-6628

Frederick Andrew Spaeth

Reg. 33793

Patent attorney

Dilworth IP, LLC

New Haven, CT · 06513

203-220-8496

Todd Nicholas Spalding

Reg. 55638

Patent agent

Alexion Pharmaceuticals

New Haven, CT · 06510

475-230-3372

Linda M Stephens Stramiello

Reg. 65057

Patent attorney

Arvinas, Inc.

New Haven, CT · 06511

475-284-5721

Jonathan B Tropp

Reg. 50578

Patent attorney

Day Pitney LLP

New Haven, CT · 06510

203-977-7337

Ethan J Ung

Reg. 62603

Patent attorney

Halloran Sage LLP

New Haven, CT · 06417

203-672-5432

Allyn J Wright

Reg. 60489

Patent agent

Wright, Allyn J

New Haven, CT · 06515

917-620-7961

Michael Makoto Yamauchi

Reg. 58468

Patent attorney

Alexion Pharmaceuticals, Inc.

New Haven, CT · 06510

203-699-7334

Xinyu Zhang

Reg. 83930

Patent agent

New Haven, CT · 06511

203-824-0720

Common questions

Do patent attorneys in New Haven 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 New Haven tend to track the broader Connecticut legal market.

How many USPTO practitioners list a New Haven office?

45 USPTO-registered patent practitioners list a New Haven 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 New Haven practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A New Haven-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.