John Thomas Brennan

36 years of practiceLicensed in New YorkBrooklyn, NY

36 years in practice
First admitted in 1990
  1. 1990 Admitted, New York

Overview

John Thomas Brennan is an attorney admitted in New York (since 1990), based in Brooklyn, NY.

This profile is built from public bar records and shows only what those records contain. John has not written or endorsed anything on this page.

Jurisdictions admitted

JurisdictionAdmittedBar numberStatus
New York1990#2346757Active

Education

  • Catholic University of America Columbus School of Law (DC)Law school, per the bar record

Contact and offices

Registered office

Brooklyn, NY

The address and number above come from the attorney's public bar registration, which can lag a recent move. Confirm before visiting.

Sources for this profile: the New York State attorney registration file. License status can change; check the bar's own record for the current status before hiring. Updated July 12, 2026.