New York attorney record · Judicial Dept 2
William Arnold Ackerman
New York University School Of Law alumna, admitted to the New York bar in 1959, registered office in New York, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1959
- Admitted
- 67
- Years in bar
- 1404797
- NY reg #
The record in one line
William Arnold Ackerman has spent 67 years on the register since admission in 1959, one of the longest-standing active practitioners the state bar carries at 99% tenure percentile.
- 67 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #101 of 93,608
- by tenure in New York office peers
- Law school
- New York University School Of Law
Data updated August 2026
What this profile tells you
Bar status & tenure
William Arnold Ackerman has carried New York bar registration 1404797 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under William Ackerman, located in New York, NY (New York County), ZIP 10023. Educational background: New York University School of Law (11,584 registered alumni).
State context & due diligence
Across a career spanning 67 years, William Arnold 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
William Arnold Ackerman's 67 years since a 1959 admission places this record near the far edge of the statewide tenure curve below.
67 years on the New York bar
Years since admission, all currently-active NY attorneys
67 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 · August 2026
Tenure among New York, NY office peers
William Arnold Ackerman is earlier in the New York, NY office cohort than most peers: local tenure rank #101 of 93,608 (0th percentile). See the New York attorney directory .
- Local rank
- #101
- City cohort
- 93,608
- Local percentile
- 0th
- Admitted
- 1959
Nearest tenure peers in New York
- Arthur N. Abbey admitted 1959 · 67 yr
- Joshua Joseph Angel admitted 1959 · 67 yr
- Robert L. Bachner admitted 1959 · 67 yr
- Robert Alexander Belfer admitted 1959 · 67 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 August 2026. Derived local rank, not published upstream.
How William compares to fellow New York University School Of Law alumni
Among the 13,607 New York University School Of Law graduates in the New York register, William Arnold Ackerman is longer-tenured than 99%.
67 years vs. New York University School Of Law alumni
Years since admission - 13,607 NY-registered alumni of this school
67 Top 1% higher than 99% of 13,607 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
New York University School Of Law's active-bar rate
Of New York University School Of Law's 11,584 alumni in the New York register, 82.9% currently hold "Currently registered" status, above the statewide average.
The 1959 admission class today
Of the 1,551 attorneys admitted to the New York bar in 1959, 6.9% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1404797
- Year Admitted
- 1959 (67 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Jun 2028
Location & Contact
- Company
- William Ackerman
- City
- New York, NY
- County
- New York
- ZIP Code
- 10023
- Phone
- (516) 659-8545
Education
Status Distribution Across the New York Bar
William Arnold 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.
Near-tenure New York University School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 1959 (excluding same-firm colleagues above).
Same admission year (1959), other cities
NY-registered attorneys admitted in 1959 whose listed office city differs from New York, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for William Arnold Ackerman: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~93,609 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1959)
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
William Arnold 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 William Ackerman licensed?
William Ackerman is licensed to practice law in New York.
When was William Arnold Ackerman admitted to the bar?
William Arnold Ackerman's admission to the New York bar dates back to 1959.
Where did William Arnold Ackerman go to law school?
William Arnold Ackerman attended New York University School of Law.
What company does William Arnold Ackerman work for?
William Arnold Ackerman is associated with William Ackerman in New York, NY.
Is William Arnold Ackerman in good standing?
Yes, William Arnold 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.