Registered patent attorney

Lewis Clifford Brown

USPTO Reg. 20370

Address

P O Box 286

Rowayton, CT, 06853

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Rowayton, Connecticut

Browse all Rowayton patent attorneys →

Frequently asked

Frequently asked about Lewis Clifford Brown

  • Is Lewis Clifford Brown a registered patent attorney?

    Yes. Lewis Clifford Brown is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 20370). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Lewis Clifford Brown located?

    Lewis Clifford Brown's office is in Rowayton, Connecticut (06853).

  • How do I contact Lewis Clifford Brown?

    Lewis Clifford Brown's office phone (per the USPTO public roster) is 203-853-0533. Verify availability and intake details directly with the firm before sending privileged materials.

  • Should I prepare anything before contacting a patent attorney?

    Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.

Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.

build 339e658 · 2026-05-23 16:16 EDT