New York attorney record · Judicial Dept 1
Leonard I. Ackerman
Rutgers Univ Sch Of Law alumna, admitted to the New York bar in 1965, registered office in East Hampton, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1965
- Admitted
- 61
- Years in bar
- 1536085
- NY reg #
The record in one line
Leonard I. Ackerman has spent 61 years on the register since admission in 1965, one of the longest-standing active practitioners the state bar carries at 99% tenure percentile.
- 61 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #2 of 130
- by tenure in East Hampton office peers
- Law school
- Rutgers Univ Sch Of Law
Data updated September 2026
What this profile tells you
Bar status & tenure
Leonard I. Ackerman has carried New York bar registration 1536085 for the better part of a career, still active and in 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 Ackerman, Pachman, Brown, Goldstein & Margolin LLP, located in East Hampton, NY (Suffolk County), ZIP 11937. 1 other attorney shares this firm affiliation in the registry. Educational background: RUTGERS UNIV SCH OF LAW (7 registered alumni).
State context & due diligence
Across a career spanning 61 years, Leonard I. Ackerman has remained part of the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Leonard I. Ackerman's 61 years since a 1965 admission places this record near the far edge of the statewide tenure curve below.
61 years on the New York bar
Years since admission, all currently-active NY attorneys
61 Top 1% higher than 99% 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 · September 2026
Tenure among East Hampton, NY office peers
Leonard I. Ackerman is toward the newer end of East Hampton, NY's NY register cohort: #2 of 130 by years since admission. See the East Hampton attorney directory .
- Local rank
- #2
- City cohort
- 130
- Local percentile
- 1st
- Admitted
- 1965
Nearest tenure peers in East Hampton
- Kenneth A. Sarrel admitted 1965 · 61 yr
- David Jon Olesker admitted 1966 · 60 yr
- Martin William Gershon admitted 1967 · 59 yr
- John Henry Jankoff admitted 1968 · 58 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.
Rutgers Univ Sch Of Law's active-bar rate
Of Rutgers Univ Sch Of Law's 7 alumni in the New York register, 57.1% currently hold "Currently registered" status, below the statewide average.
The 1965 admission class today
Of the 1,502 attorneys admitted to the New York bar in 1965, 20.8% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1536085
- Year Admitted
- 1965 (61 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Oct 2026
Location & Contact
- Company
- Ackerman, Pachman, Brown, Goldstein & Margolin LLP
- City
- East Hampton, NY
- County
- Suffolk
- ZIP Code
- 11937
- Phone
- (631) 324-3942
Education
Status Distribution Across the New York Bar
Leonard I. Ackerman'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: Ackerman, Pachman, Brown, Goldstein & Margolin LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Same admission year (1965), other cities
NY-registered attorneys admitted in 1965 whose listed office city differs from East Hampton, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Leonard I. Ackerman: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~131 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1965)
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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Compare attorneys →Before you rely on this record
Leonard I. Ackerman'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 Leonard Ackerman licensed?
Leonard Ackerman is licensed to practice law in New York.
When was Leonard I. Ackerman admitted to the bar?
Leonard I. Ackerman's admission to the New York bar dates back to 1965.
Where did Leonard I. Ackerman go to law school?
Leonard I. Ackerman attended RUTGERS UNIV SCH OF LAW.
What company does Leonard I. Ackerman work for?
Leonard I. Ackerman is associated with Ackerman, Pachman, Brown, Goldstein & Margolin LLP in East Hampton, NY.
Is Leonard I. Ackerman in good standing?
Yes, Leonard I. Ackerman 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.