New York attorney record · Judicial Dept 4
Mark Stephen Ackerman
Suny At Buffalo alumna, admitted to the New York bar in 1977, registered office in Washington, DC. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1977
- Admitted
- 49
- Years in bar
- 1506526
- NY reg #
The record in one line
Mark Stephen Ackerman has spent 49 years on the register since admission in 1977, one of the longest-standing active practitioners the state bar carries at 92% tenure percentile.
- 49 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #232 of 12,540
- by tenure in Washington office peers
- Law school
- Suny At Buffalo
Data updated August 2026
What this profile tells you
Bar status & tenure
Mark Stephen Ackerman has carried New York bar registration 1506526 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 4, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Department Of Defense Office Of General Counsel, located in Washington, DC, ZIP 20301. Educational background: SUNY AT BUFFALO (2,896 registered alumni).
State context & due diligence
Across a career spanning 49 years, Mark Stephen 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
Mark Stephen Ackerman's 49 years since a 1977 admission places this record near the far edge of the statewide tenure curve below.
49 years on the New York bar
Years since admission, all currently-active NY attorneys
49 Top 8% higher than 92% 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 Washington, DC office peers
Mark Stephen Ackerman is earlier in the Washington, DC office cohort than most peers: local tenure rank #232 of 12,540 (2nd percentile). See the Washington attorney directory .
- Local rank
- #232
- City cohort
- 12,540
- Local percentile
- 2nd
- Admitted
- 1977
Nearest tenure peers in Washington
- Gaspare Joseph Bono admitted 1977 · 49 yr
- Susan Chadwick Ervin admitted 1977 · 49 yr
- Patrick G. Finegan admitted 1977 · 49 yr
- Richard Thomas Foltin admitted 1977 · 49 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 Mark compares to fellow Suny At Buffalo alumni
Among the 1,234 Suny At Buffalo graduates in the New York register, Mark Stephen Ackerman is longer-tenured than 99%.
49 years vs. Suny At Buffalo alumni
Years since admission - 1,234 NY-registered alumni of this school
49 Top 1% higher than 99% of 1,234 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
Suny At Buffalo's active-bar rate
Of Suny At Buffalo's 2,896 alumni in the New York register, 60.5% currently hold "Currently registered" status, below the statewide average.
The 1977 admission class today
Of the 3,593 attorneys admitted to the New York bar in 1977, 51.2% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1506526
- Year Admitted
- 1977 (49 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Nov 2026
Location & Contact
- Company
- Department Of Defense Office Of General Counsel
- City
- Washington, DC
- ZIP Code
- 20301
- Phone
- (703) 571-9344
Education
Status Distribution Across the New York Bar
Mark Stephen 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 Suny At Buffalo alumni
Fellow alumni on the NY register whose admission year is closest to 1977 (excluding same-firm colleagues above).
Same admission year (1977), other cities
NY-registered attorneys admitted in 1977 whose listed office city differs from Washington, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark Stephen Ackerman: closest NY bar admission year outside DC, and closest out-of-state office cities by how many NY-registered attorneys they list (~12,541 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1977)
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
Mark Stephen 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 Mark Ackerman licensed?
Mark Ackerman is licensed to practice law in New York.
When was Mark Stephen Ackerman admitted to the bar?
Mark Stephen Ackerman's admission to the New York bar dates back to 1977.
Where did Mark Stephen Ackerman go to law school?
Mark Stephen Ackerman attended SUNY AT BUFFALO.
What company does Mark Stephen Ackerman work for?
Mark Stephen Ackerman is associated with Department Of Defense Office Of General Counsel in Washington, DC.
Is Mark Stephen Ackerman in good standing?
Yes, Mark Stephen 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.