New York attorney · Reg. #2095420

John R. Brennan

Registration delinquent (registry: Delinquent)

Current employer

Byrne, Costello & Pickard, P.C. · Syracuse, NY · since at least September 2026

Admission

Admitted 1987, Fourth Department · Syracuse University College of Law

Flags

• Registration delinquent

Employment history

• Byrne, Costello & Pickard, P.C. · Syracuse, NY · current

Compiled from NYS Office of Court Administration registration records, published NY Appellate Division decisions, and SEC orders against attorneys; current as of October 2026. Not an official record; verify with the NY Courts Attorney Search.