New York attorney record · Judicial Dept 1
Sean Christian Duffy
Columbia Law School alumna, admitted to the New York bar in 2002, registered office in Washington, DC. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2002
- Admitted
- 24
- Years in bar
- 4103131
- NY reg #
The record in one line
Sean Christian Duffy appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 2002 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 24 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- #3369 of 12,540
- by tenure in Washington office peers
- Law school
- Columbia Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Sean Christian Duffy is registered as bar number 4103131 with the New York bar authority, carrying a current status of "Due to reregister within 30 days of birthday", a routine periodic-renewal reminder, not discipline. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under U.S. Department Of Justice, Environment & Natural Resources Division, located in Washington, DC, ZIP 20002. 4 other attorneys share this firm affiliation in the registry. Educational background: Columbia Law School (21,682 registered alumni).
State context & due diligence
A "Due to reregister within 30 days of birthday" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.
Tenure among Washington, DC office peers
Sean Christian Duffy is earlier in the Washington, DC office cohort than most peers: local tenure rank #3,369 of 12,540 (27th percentile). See the Washington attorney directory .
- Local rank
- #3,369
- City cohort
- 12,540
- Local percentile
- 27th
- Admitted
- 2002
Nearest tenure peers in Washington
- Sharif Abdur-Rahim admitted 2002 · 24 yr
- Shaheena Anwari Ahmad admitted 2002 · 24 yr
- Senwan Humayun Akhtar admitted 2002 · 24 yr
- Mona Mohamed Al-Sharmani admitted 2002 · 24 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 September 2026. Derived local rank, not published upstream.
How Sean compares to fellow Columbia Law School alumni
Among the 12,124 Columbia Law School graduates in the New York register, Sean Christian Duffy is longer-tenured than 72%.
24 years vs. Columbia Law School alumni
Years since admission - 12,124 NY-registered alumni of this school
24 Top 28% higher than 72% of 12,124 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 · September 2026
Columbia Law School's active-bar rate
Of Columbia Law School's 21,682 alumni in the New York register, 65.6% currently hold "Currently registered" status, below the statewide average.
The 2002 admission class today
Of the 7,981 attorneys admitted to the New York bar in 2002, 64.4% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 4103131
- Year Admitted
- 2002 (24 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Aug 2026
Location & Contact
- Company
- U.S. Department Of Justice, Environment & Natural Resources Division
- City
- Washington, DC
- ZIP Code
- 20002
- Phone
- (202) 598-7291
Education
Status Distribution Across the New York Bar
Sean Christian Duffy's current status, "Due to reregister within 30 days of birthday", places this record outside 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: U.S. Department Of Justice, Environment & Natural Resources Division
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Columbia Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2002 (excluding same-firm colleagues above).
Same admission year (2002), other cities
NY-registered attorneys admitted in 2002 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 Sean Christian Duffy: 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 (~2002)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
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Sean Christian Duffy is currently listed as "Due to reregister within 30 days of birthday", treat that as a registration fact to confirm, not a verdict on quality.
Frequently Asked Questions
Where is Sean Duffy licensed?
Sean Duffy is licensed to practice law in New York.
When was Sean Christian Duffy admitted to the bar?
Sean Christian Duffy was admitted to the bar in 2002.
Where did Sean Christian Duffy go to law school?
Sean Christian Duffy attended Columbia Law School.
What company does Sean Christian Duffy work for?
Sean Christian Duffy is associated with U.S. Department Of Justice, Environment & Natural Resources Division in Washington, DC.
Is Sean Christian Duffy in good standing?
Not currently, Sean Christian Duffy's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.
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.