New York attorney record · Judicial Dept 3
Thomas Sung Won Yoon
George Washington University Law School alumna, admitted to the New York bar in 2019, registered office in Washington, DC. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2019
- Admitted
- 7
- Years in bar
- 5645643
- NY reg #
The record in one line
Admitted in 2019, Thomas Sung Won Yoon has built 7 years of active New York practice - more tenure than 13% of the state's currently-active attorneys.
- 7 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #10690 of 12,540
- by tenure in Washington office peers
- Law school
- George Washington University Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Bar number 5645643 on the New York register belongs to Thomas Sung Won Yoon, currently in active standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Dentons Us LLP, located in Washington, DC, ZIP 20006. 5 other attorneys share this firm affiliation in the registry. Educational background: George Washington University Law School (2,706 registered alumni).
State context & due diligence
Thomas Sung Won Yoon is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
7 years into an active New York practice since a 2019 admission, Thomas Sung Won Yoon sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
7 years on the New York bar
Years since admission, all currently-active NY attorneys
7 Top 87% higher than 13% of 290,787 active NY attorneys
Each bar is a band; taller bars hold more active NY attorneys. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · August 2026
Tenure among Washington, DC office peers
Among the 12,540 NY-registered attorneys with a listed office in Washington, DC, Thomas Sung Won Yoon ranks #10,690 by tenure, longer-tenured than 85% of that city cohort. See the Washington attorney directory .
- Local rank
- #10,690
- City cohort
- 12,540
- Local percentile
- 85th
- Admitted
- 2019
Nearest tenure peers in Washington
- Castell Abner Iii admitted 2019 · 7 yr
- Jonathan Jeffrey Abrams admitted 2019 · 7 yr
- Kristina Dmitriyevna Alekseyeva admitted 2019 · 7 yr
- Abdulmajeed Faleh Alhogbani admitted 2019 · 7 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of August 2026. Derived local rank, not published upstream.
How Thomas compares to fellow George Washington University Law School alumni
Among the 4,597 George Washington University Law School graduates in the New York register, Thomas Sung Won Yoon is longer-tenured than 16%.
7 years vs. George Washington University Law School alumni
Years since admission - 4,597 NY-registered alumni of this school
7 Top 84% higher than 16% of 4,597 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · August 2026
George Washington University Law School's active-bar rate
Of George Washington University Law School's 2,706 alumni in the New York register, 84.9% currently hold "Currently registered" status, above the statewide average.
The 2019 admission class today
Of the 8,536 attorneys admitted to the New York bar in 2019, 94.7% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5645643
- Year Admitted
- 2019 (7 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- May 2027
Location & Contact
- Company
- Dentons Us LLP
- City
- Washington, DC
- ZIP Code
- 20006
- Phone
- (202) 496-7500
Education
Status Distribution Across the New York Bar
Thomas Sung Won Yoon's current status, "Currently registered", places this attorney in the 67.2% of the 432,625-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
Same firm affiliation: Dentons Us LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure George Washington University Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2019 (excluding same-firm colleagues above).
Same admission year (2019), other cities
NY-registered attorneys admitted in 2019 whose listed office city differs from Washington, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Thomas Sung Won Yoon: closest NY bar admission year outside DC, and closest out-of-state office cities by how many NY-registered attorneys they list (~12,541 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2019)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare attorneys →Before you rely on this record
Thomas Sung Won Yoon's "Currently registered" listing confirms bar standing only, it is a registration fact to verify, not a verdict on quality or competence.
Frequently Asked Questions
Where is Thomas Yoon licensed?
Thomas Yoon is licensed to practice law in New York.
When was Thomas Sung Won Yoon admitted to the bar?
Thomas Sung Won Yoon has been on the New York bar register since 2019.
Where did Thomas Sung Won Yoon go to law school?
Thomas Sung Won Yoon attended George Washington University Law School.
What company does Thomas Sung Won Yoon work for?
Thomas Sung Won Yoon is associated with Dentons Us LLP in Washington, DC.
Is Thomas Sung Won Yoon in good standing?
Yes, Thomas Sung Won Yoon holds active bar status ("Currently registered").
Cite this page & disclosure
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.