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Darien, Connecticut

Patent attorneys in Darien

Darien, Connecticut is home to 8 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 Thomas J. Perkowski, Esq, P.C. and Welsh IP Law LLC.

Andrew P Adler

Reg. 30987
Patent attorney

Darien, CT · 06820

William J Bohdan

Reg. 39614
Patent attorney

Darien, CT · 06820

203-656-2786

Richard S Bullitt

Reg. 30733
Patent attorney

Darien, CT · 06820

203-316-0429

Michael W Glynn

Reg. 27285
Patent attorney

Darien, CT · 06820

203-348-7893

Charles Joseph Laughon· II

Reg. 31389
Patent attorney

Darien, CT · 06820

203-981-2334

Thomas Joseph Perkowski

Reg. 33134
Patent attorney

Thomas J. Perkowski, Esq, P.C.

Darien, CT · 06820

203-357-1950

Walter B Welsh

Reg. 64424
Patent attorney

Welsh IP Law LLC

Darien, CT · 06820

203-321-6303

Enrico Zordan

Reg. 69660
Patent agent

Darien, CT · 06820

203-807-2258

Common questions

Do patent attorneys in Darien 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 Darien tend to track the broader Connecticut legal market.
How many USPTO practitioners list a Darien office?
8 USPTO-registered patent practitioners list a Darien 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 Darien practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Darien-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
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