New York attorney record · Judicial Dept 2
Sonia I. Lizan-O'Halloran
Benjamin N. Cardozo alumna, admitted to the New York bar in 1999. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1999
- Admitted
- 27
- Years in bar
- 2944841
- NY reg #
The record in one line
With 27 years on the register since a 1999 admission, Sonia I. Lizan-O'Halloran ranks among the New York bar's most senior active practitioners, longer-tenured than 62% of the currently-active bar.
- 27 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 38%
- by tenure among active NY attorneys
- Law school
- Benjamin N. Cardozo
Data updated August 2026
What this profile tells you
Bar status & tenure
Registration 2944841 with the New York bar authority has long belonged to Sonia I. Lizan-O'Halloran, a veteran practitioner still in active good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
No firm or business address is on record, despite 27 years on the register. Educational background: BENJAMIN N. CARDOZO (1,141 registered alumni).
State context & due diligence
After 27 years on the register, Sonia I. Lizan-O'Halloran still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match Sonia I. Lizan-O'Halloran's 27 years since admission in 1999.
27 years on the New York bar
Years since admission, all currently-active NY attorneys
27 Top 38% higher than 62% 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
How Sonia compares to fellow Benjamin N. Cardozo alumni
Among the 975 Benjamin N. Cardozo graduates in the New York register, Sonia I. Lizan-O'Halloran is longer-tenured than 78%.
27 years vs. Benjamin N. Cardozo alumni
Years since admission - 975 NY-registered alumni of this school
27 Top 22% higher than 78% of 975 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
Benjamin N. Cardozo's active-bar rate
Of Benjamin N. Cardozo's 1,141 alumni in the New York register, 75.5% currently hold "Currently registered" status, above the statewide average.
The 1999 admission class today
Of the 7,628 attorneys admitted to the New York bar in 1999, 81.9% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2944841
- Year Admitted
- 1999 (27 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Jul 2027
Location & Contact
Education
Status Distribution Across the New York Bar
Sonia I. Lizan-O'Halloran'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.
Near-tenure Benjamin N. Cardozo alumni
Fellow alumni on the NY register whose admission year is closest to 1999 .
Same admission year (1999), other cities
NY-registered attorneys admitted in 1999 whose listed office city differs from this record, a vintage cohort, not a neighborhood list.
Verify This Attorney
Verify on NY Courts Attorney SearchBefore you rely on this record
Sonia I. Lizan-O'Halloran'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 Sonia Lizan-O'Halloran licensed?
Sonia Lizan-O'Halloran is licensed to practice law in New York.
When was Sonia I. Lizan-O'Halloran admitted to the bar?
Sonia I. Lizan-O'Halloran's admission to the New York bar dates back to 1999.
Where did Sonia I. Lizan-O'Halloran go to law school?
Sonia I. Lizan-O'Halloran attended BENJAMIN N. CARDOZO.
Is Sonia I. Lizan-O'Halloran in good standing?
Yes, Sonia I. Lizan-O'Halloran 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.