ZIP 06820
Patent attorneys in ZIP code 06820 · Connecticut
ZIP code 06820 in Connecticut has 8 USPTO-registered patent practitioners listed at addresses inside the ZIP. Every practitioner shown holds an active license to practice before the US Patent and Trademark Office. Local offices include Thomas J. Perkowski, Esq, P.C. and Welsh IP Law LLC.
All practitioners
Andrew P Adler
Reg. 30987Patent attorney
Darien, CT · 06820
William J Bohdan
Reg. 39614Patent attorney
Darien, CT · 06820
203-656-2786
Richard S Bullitt
Reg. 30733Patent attorney
Darien, CT · 06820
203-316-0429
Michael W Glynn
Reg. 27285Patent attorney
Darien, CT · 06820
203-348-7893
Charles Joseph Laughon· II
Reg. 31389Patent attorney
Darien, CT · 06820
203-981-2334
Thomas Joseph Perkowski
Reg. 33134Patent attorney
Thomas J. Perkowski, Esq, P.C.
Darien, CT · 06820
203-357-1950
Walter B Welsh
Reg. 64424Patent attorney
Welsh IP Law LLC
Darien, CT · 06820
203-321-6303
Enrico Zordan
Reg. 69660Patent agent
Darien, CT · 06820
203-807-2258
Common questions
Do patent attorneys in ZIP 06820 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 ZIP 06820 tend to track the broader Connecticut legal market.
How many USPTO practitioners list a ZIP 06820 office?
8 USPTO-registered patent practitioners list a ZIP 06820 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 ZIP 06820 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 06820-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.