Currently registered
William Sei-Hyun Yoon
New York attorney registration record
Registration details
- Jurisdiction
- New York
- Registration number
- 4708780
- Official status
- Currently registered
- Year admitted
- 2009
- Judicial department
- 2
- Next registration
- Aug 2027
Public office information
LAW OFFICE OF WILLIAM S. YOON, ESQ.
Bayside, NY, UNITED STATES OF AMERICA
Source and limitations
Source: NYS Attorney Registrations.
Last verified from the dataset: September 17, 2026. This profile is not a rating or endorsement. Confirm current status with the official authority before relying on it.