New York attorney record · Judicial Dept 1
David Mark Harrison
Tulane University alumna, admitted to the New York bar in 1994, registered office in Brooklyn, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1994
- Admitted
- 32
- Years in bar
- 2600534
- NY reg #
The record in one line
With 32 years on the register since a 1994 admission, David Mark Harrison ranks among the New York bar's most senior active practitioners, longer-tenured than 71% of the currently-active bar.
- 32 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1920 of 7,282
- by tenure in Brooklyn office peers
- Law school
- Tulane University
Data updated August 2026
What this profile tells you
Bar status & tenure
Registration 2600534 with the New York bar authority has long belonged to David Mark Harrison, 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 David M. Harrison Esq., located in Brooklyn, NY (Kings County), ZIP 11201. Educational background: TULANE UNIVERSITY (272 registered alumni).
State context & due diligence
After 32 years on the register, David Mark Harrison 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 David Mark Harrison's 32 years since admission in 1994.
32 years on the New York bar
Years since admission, all currently-active NY attorneys
32 Top 29% higher than 71% 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 Brooklyn, NY office peers
David Mark Harrison is earlier in the Brooklyn, NY office cohort than most peers: local tenure rank #1,920 of 7,282 (26th percentile). See the Brooklyn attorney directory .
- Local rank
- #1,920
- City cohort
- 7,282
- Local percentile
- 26th
- Admitted
- 1994
Nearest tenure peers in Brooklyn
- Douglas Brian Appel admitted 1994 · 32 yr
- Michael John Badowski admitted 1994 · 32 yr
- Robert Truett Bean admitted 1994 · 32 yr
- Jeff Robert Berman admitted 1994 · 32 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 David compares to fellow Tulane University alumni
Among the 179 Tulane University graduates in the New York register, David Mark Harrison is longer-tenured than 79%.
32 years vs. Tulane University alumni
Years since admission - 179 NY-registered alumni of this school
32 Top 21% higher than 79% of 179 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
Tulane University's active-bar rate
Of Tulane University's 272 alumni in the New York register, 68.8% currently hold "Currently registered" status, above the statewide average.
The 1994 admission class today
Of the 6,410 attorneys admitted to the New York bar in 1994, 61.7% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2600534
- Year Admitted
- 1994 (32 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Mar 2028
Location & Contact
- Company
- David M. Harrison Esq.
- City
- Brooklyn, NY
- County
- Kings
- ZIP Code
- 11201
- Phone
- (718) 243-2109
Education
Status Distribution Across the New York Bar
David Mark Harrison'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 Tulane University alumni
Fellow alumni on the NY register whose admission year is closest to 1994 (excluding same-firm colleagues above).
Same admission year (1994), other cities
NY-registered attorneys admitted in 1994 whose listed office city differs from Brooklyn, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for David Mark Harrison: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~7,283 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1994)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Brooklyn, NY
Compare credentials side-by-side
Compare David Mark Harrison with similar attorneys in Brooklyn.
Compare attorneys →Before you rely on this record
David Mark Harrison'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 David Harrison licensed?
David Harrison is licensed to practice law in New York.
When was David Mark Harrison admitted to the bar?
David Mark Harrison's admission to the New York bar dates back to 1994.
Where did David Mark Harrison go to law school?
David Mark Harrison attended TULANE UNIVERSITY.
What company does David Mark Harrison work for?
David Mark Harrison is associated with David M. Harrison Esq. in Brooklyn, NY.
Is David Mark Harrison in good standing?
Yes, David Mark Harrison 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.