New York attorney record · Judicial Dept 1
Jonathan Marc Leibner
Stanford Law School alumna, admitted to the New York bar in 1996, registered office in Chappaqua, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1996
- Admitted
- 30
- Years in bar
- 2751097
- NY reg #
The record in one line
With 30 years on the register since a 1996 admission, Jonathan Marc Leibner ranks among the New York bar's most senior active practitioners, longer-tenured than 71% of the currently-active bar.
- 30 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 29%
- by tenure among active NY attorneys
- Law school
- Stanford Law School
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 2751097 with the New York bar authority has long belonged to Jonathan Marc Leibner, a veteran practitioner still in active good standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Fast Times Management LLC, located in Chappaqua, NY (Westchester County), ZIP 10514. Educational background: Stanford Law School (1,469 registered alumni).
State context & due diligence
After 30 years on the register, Jonathan Marc Leibner 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 Jonathan Marc Leibner's 30 years since admission in 1996. The histogram plots that tenure against every currently-active attorney in the state.
30 years on the New York bar
Years since admission, all currently-active NY attorneys
30 Top 29% higher than 71% of 284,296 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 · May 2026
How Jonathan compares to fellow Stanford Law School alumni
Among the 1,186 Stanford Law School graduates in the New York register, Jonathan Marc Leibner is longer-tenured than 99% - a school-cohort view of experience, alongside the statewide one above.
30 years vs. Stanford Law School alumni
Years since admission - 1,186 NY-registered alumni of this school
30 Top 1% higher than 99% of 1,186 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 · May 2026
Stanford Law School's active-bar rate
Of Stanford Law School's 1,469 alumni in the New York register, 79% currently hold "Currently registered" status, above the statewide average.
Stanford Law School alumni, active-bar rate
The 1996 admission class today
Of the 6,887 attorneys admitted to the New York bar in 1996, 62.7% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2751097
- Year Admitted
- 1996 (30 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Jun 2026
Location & Contact
- Company
- Fast Times Management LLC
- City
- Chappaqua, NY
- County
- Westchester
- ZIP Code
- 10514
- Phone
- (917) 696-3451
Education
Status Distribution Across the New York Bar
Jonathan Marc Leibner's current status, "Currently registered", places this attorney in the 66.2% of the 429,620-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.
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Compare attorneys →Before you rely on this record
Jonathan Marc Leibner'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 Jonathan Leibner licensed?
Jonathan Leibner is licensed to practice law in New York.
When was Jonathan Marc Leibner admitted to the bar?
Jonathan Marc Leibner's admission to the New York bar dates back to 1996.
Where did Jonathan Marc Leibner go to law school?
Jonathan Marc Leibner attended Stanford Law School.
What company does Jonathan Marc Leibner work for?
Jonathan Marc Leibner is associated with Fast Times Management LLC in Chappaqua, NY.
Is Jonathan Marc Leibner in good standing?
Yes, Jonathan Marc Leibner holds active bar status ("Currently registered").
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.