New York attorney · Reg. #2158863

John R. Leith

Suspended (registry: Suspended, delinquent)

Current employer

Mattson, Madden & Leith · Millburn, NJ · since at least September 2026

Admission

Admitted 1987, Third Department · UNIVERSITY OF KENTUCKY

Flags

• Suspended

Employment history

• Mattson, Madden & Leith · Millburn, NJ · current

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