Danbury, Connecticut

Patent attorneys in Danbury

Danbury, Connecticut is home to 17 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 Praxair, Inc., Mannkind Corp., and Praxair, Inc.

Donald T Black

Reg. 27999

Patent attorney

Praxair, Inc.

Danbury, CT · 06810

203-837-2669

James P. Breen

Reg. 75235

Patent agent

Danbury, CT · 06811

203-947-9349

Thelma A Chen Cleland

Reg. 40948

Patent agent

Mannkind Corp.

Danbury, CT · 06810

203-790-2514

Nilay S Dalal

Reg. 56069

Patent agent

Danbury, CT · 06810

312-321-4200

Jack E Haken

Reg. 26902

Patent attorney

Danbury, CT · 06811

203-512-0487

Robert James Hampsch

Reg. 36155

Patent attorney

Praxair, Inc

Danbury, CT · 06810

203-837-2178

Marylin Klosty

Reg. 18137

Patent attorney

Danbury, CT · 06811

203-744-5590

Robert John Kraus

Reg. 26358

Patent attorney

Robert J. Kraus

Danbury, CT · 06811

203-794-1011

Brian A Lemm

Reg. 43748

Patent attorney

Pitney Bowes Inc.

Danbury, CT · 06810

203-796-6697

Ralph J Mancini

Reg. 34054

Patent attorney

Praxair, Inc.

Danbury, CT · 06811

203-837-2776

Andrew G Melick

Reg. 56868

Patent attorney

Linde Inc

Danbury, CT · 06810

203-837-2148

Salvatore P Pace

Reg. 30206

Patent attorney

Praxair, Inc.

Danbury, CT · 06810

203-837-2034

Robert William Pierson· Jr

Reg. 60310

Patent attorney

FuelCell Energy, Inc.

Danbury, CT · 06810

203-825-6074

Iurie A Schwartz

Reg. 43909

Patent attorney

Praxair, Inc.

Danbury, CT · 06819

203-837-2115

Steven J Shapiro

Reg. 35677

Patent attorney

Pitney Bowes, Inc.

Danbury, CT · 06810

203-796-6696

Melissa A. Tharp

Reg. 76484

Patent attorney

Melissa A Tharp, Attorney at Law

Danbury, CT · 06810

248-882-8388

Jiangping Wu

Reg. 56931

Patent agent

Danbury, CT · 06810

203-826-6281

Common questions

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

How many USPTO practitioners list a Danbury office?

17 USPTO-registered patent practitioners list a Danbury 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 Danbury practitioner remotely?

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