New York attorney record · Judicial Dept 2
Justin L. Cooper
Brooklyn Law School alumna, admitted to the New York bar in 1953, registered office in Deer Park, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1953
- Admitted
- 73
- Years in bar
- 1336619
- NY reg #
The record in one line
Justin L. Cooper has spent 73 years on the register since admission in 1953, one of the longest-standing active practitioners the state bar carries at 99% tenure percentile.
- 73 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1 of 43
- by tenure in Deer Park office peers
- Law school
- Brooklyn Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Justin L. Cooper has carried New York bar registration 1336619 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 Justin L Cooper, located in Deer Park, NY (Suffolk County), ZIP 11729. Educational background: Brooklyn Law School (18,418 registered alumni).
State context & due diligence
Across a career spanning 73 years, Justin L. Cooper 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
Justin L. Cooper's 73 years since a 1953 admission places this record near the far edge of the statewide tenure curve below.
73 years on the New York bar
Years since admission, all currently-active NY attorneys
73 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 Deer Park, NY office peers
Within Deer Park, NY's 43-attorney local set, Justin L. Cooper is #1 by tenure, a small-cohort read, not a statewide claim. See the Deer Park attorney directory .
- Local rank
- #1
- City cohort
- 43
- Local percentile
- 0th
- Admitted
- 1953
Nearest tenure peers in Deer Park
- Bryan Patrick Kujawski admitted 1973 · 53 yr
- Donald Jeffrey Weiss admitted 1980 · 46 yr
- Joanne Schlenk Mcavey admitted 1982 · 44 yr
- Michael Edward Mcdermott admitted 1982 · 44 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 Justin compares to fellow Brooklyn Law School alumni
Among the 10,325 Brooklyn Law School graduates in the New York register, Justin L. Cooper is longer-tenured than 99%.
73 years vs. Brooklyn Law School alumni
Years since admission - 10,325 NY-registered alumni of this school
73 Top 1% higher than 99% of 10,325 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
Brooklyn Law School's active-bar rate
Of Brooklyn Law School's 18,418 alumni in the New York register, 64% currently hold "Currently registered" status, below the statewide average.
The 1953 admission class today
Of the 1,415 attorneys admitted to the New York bar in 1953, 0.9% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1336619
- Year Admitted
- 1953 (73 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Jul 2028
Location & Contact
- Company
- Justin L Cooper
- City
- Deer Park, NY
- County
- Suffolk
- ZIP Code
- 11729
- Phone
- (631) 586-1621
Education
Status Distribution Across the New York Bar
Justin L. Cooper'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 Brooklyn Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1953 (excluding same-firm colleagues above).
Same admission year (1953), other cities
NY-registered attorneys admitted in 1953 whose listed office city differs from Deer Park, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Justin L. Cooper: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~44 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1953)
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
Justin L. Cooper'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 Justin Cooper licensed?
Justin Cooper is licensed to practice law in New York.
When was Justin L. Cooper admitted to the bar?
Justin L. Cooper's admission to the New York bar dates back to 1953.
Where did Justin L. Cooper go to law school?
Justin L. Cooper attended Brooklyn Law School.
What company does Justin L. Cooper work for?
Justin L. Cooper is associated with Justin L Cooper in Deer Park, NY.
Is Justin L. Cooper in good standing?
Yes, Justin L. Cooper 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.