New York attorney record · Judicial Dept 2
William Dee Cooper
Buffalo Law School alumna, admitted to the New York bar in 1975, registered office in Rockville Centre, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1975
- Admitted
- 51
- Years in bar
- 1019256
- NY reg #
The record in one line
William Dee Cooper has spent 51 years on the register since admission in 1975, one of the longest-standing active practitioners the state bar carries at 96% tenure percentile.
- 51 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #26 of 327
- by tenure in Rockville Centre office peers
- Law school
- Buffalo Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
William Dee Cooper has carried New York bar registration 1019256 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 D Cooper, located in Rockville Centre, NY (Nassau County), ZIP 11570. Educational background: BUFFALO LAW SCHOOL (62 registered alumni).
State context & due diligence
Across a career spanning 51 years, William Dee 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
William Dee Cooper's 51 years since a 1975 admission places this record near the far edge of the statewide tenure curve below.
51 years on the New York bar
Years since admission, all currently-active NY attorneys
51 Top 4% higher than 96% 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 Rockville Centre, NY office peers
Most of the 327 NY-registered attorneys in Rockville Centre, NY outrank William Dee Cooper on tenure; this record sits at the 8th local percentile (rank #26). See the Rockville Centre attorney directory .
- Local rank
- #26
- City cohort
- 327
- Local percentile
- 8th
- Admitted
- 1975
Nearest tenure peers in Rockville Centre
- Kevin John Barry admitted 1975 · 51 yr
- William Bernard Flynn admitted 1975 · 51 yr
- Robert Hugh Goldberg admitted 1975 · 51 yr
- John Douglas Morgan admitted 1975 · 51 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.
Buffalo Law School's active-bar rate
Of Buffalo Law School's 62 alumni in the New York register, 61.3% currently hold "Currently registered" status, below the statewide average.
The 1975 admission class today
Of the 3,195 attorneys admitted to the New York bar in 1975, 47.1% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1019256
- Year Admitted
- 1975 (51 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Jul 2028
Location & Contact
- Company
- William D Cooper
- City
- Rockville Centre, NY
- County
- Nassau
- ZIP Code
- 11570
- Phone
- (516) 766-6736
Education
Status Distribution Across the New York Bar
William Dee 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 Buffalo Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1975 (excluding same-firm colleagues above).
Same admission year (1975), other cities
NY-registered attorneys admitted in 1975 whose listed office city differs from Rockville Centre, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for William Dee Cooper: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~328 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1975)
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 Dee 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 William Cooper licensed?
William Cooper is licensed to practice law in New York.
When was William Dee Cooper admitted to the bar?
William Dee Cooper's admission to the New York bar dates back to 1975.
Where did William Dee Cooper go to law school?
William Dee Cooper attended BUFFALO LAW SCHOOL.
What company does William Dee Cooper work for?
William Dee Cooper is associated with William D Cooper in Rockville Centre, NY.
Is William Dee Cooper in good standing?
Yes, William Dee 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.