Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

Leo Gilles Sion

Currently registered

Leo Gilles Sion is an attorney admitted to the New York State Bar in 1981, with a registered practice address in New York, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number1720994
Bar statusCurrently registered
Year admitted1981
Judicial departmentDepartment 2
Law schoolVirginia
Practice cityNew York, NY
CountyNew York
Firm / organizationGilles Sion
Office address501 E 79Th St Apt 20A, New York, NY, 10075
Phone(646) 327-0704
Next registration dueSep 2026

Office location

Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.

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