New York attorney record · Judicial Dept 3
William Sander Callahan
Northwestern University alumna, admitted to the New York bar in 1993. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1993
- Admitted
- 33
- Years in bar
- 2569945
- NY reg #
The record in one line
William Sander Callahan appears in the New York attorney register with a current status of "Resigned", on record since 1993 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 33 yrs
- since first admission to the bar
- Resigned
- current bar status: "Resigned"
- Law school
- Northwestern University
Data updated September 2026
What this profile tells you
Bar status & tenure
William Sander Callahan is registered as bar number 2569945 with the New York bar authority, carrying a current status of "Resigned", a voluntary resignation, not necessarily discipline, verify specifics with the bar. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
No firm or business address is on record, despite 33 years on the register. Educational background: NORTHWESTERN UNIVERSITY (565 registered alumni).
State context & due diligence
A "Resigned" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.
How William compares to fellow Northwestern University alumni
Among the 418 Northwestern University graduates in the New York register, William Sander Callahan is longer-tenured than 87%.
33 years vs. Northwestern University alumni
Years since admission - 418 NY-registered alumni of this school
33 Top 13% higher than 87% of 418 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
Northwestern University's active-bar rate
Of Northwestern University's 565 alumni in the New York register, 65.1% currently hold "Currently registered" status, below the statewide average.
The 1993 admission class today
Of the 6,439 attorneys admitted to the New York bar in 1993, 77.6% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Resigned
- Registration Number
- 2569945
- Year Admitted
- 1993 (33 yrs · veteran)
- Judicial Department
- 3
Location & Contact
Education
Status Distribution Across the New York Bar
William Sander Callahan's current status, "Resigned", 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.
Near-tenure Northwestern University alumni
Fellow alumni on the NY register whose admission year is closest to 1993 .
Same admission year (1993), other cities
NY-registered attorneys admitted in 1993 whose listed office city differs from this record, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Out-of-state NY bar peers for William Sander Callahan with the closest admission year to 1993. Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchBefore you rely on this record
William Sander Callahan is currently listed as "Resigned", treat that as a registration fact to confirm, not a verdict on quality.
Frequently Asked Questions
Where is William Callahan licensed?
William Callahan is licensed to practice law in New York.
When was William Sander Callahan admitted to the bar?
William Sander Callahan's admission to the New York bar dates back to 1993.
Where did William Sander Callahan go to law school?
William Sander Callahan attended NORTHWESTERN UNIVERSITY.
Is William Sander Callahan in good standing?
Not currently, William Sander Callahan's listed status is "Resigned", 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.