New York attorney record · Judicial Dept 1
Michael Clement O'Sullivan
Duke alumna, admitted to the New York bar in 1996, registered office in Pelham, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1996
- Admitted
- 30
- Years in bar
- 2733525
- NY reg #
The record in one line
With 30 years on the register since a 1996 admission, Michael Clement O'Sullivan ranks among the New York bar's most senior active practitioners, longer-tenured than 71% of the currently-active bar.
- 30 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #59 of 83
- by tenure in Pelham office peers
- Law school
- Duke
Data updated September 2026
What this profile tells you
Bar status & tenure
Registration 2733525 with the New York bar authority has long belonged to Michael Clement O'Sullivan, 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
The attorney's registration lists a business address in Pelham, NY (Westchester County), ZIP 10803. Educational background: DUKE.
State context & due diligence
After 30 years on the register, Michael Clement O'Sullivan 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 Michael Clement O'Sullivan's 30 years since admission in 1996.
30 years on the New York bar
Years since admission, all currently-active NY attorneys
30 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 · September 2026
Tenure among Pelham, NY office peers
Against Pelham, NY's 83-attorney NY register cohort, Michael Clement O'Sullivan lands at the 70th tenure percentile (rank #59). See the Pelham attorney directory .
- Local rank
- #59
- City cohort
- 83
- Local percentile
- 70th
- Admitted
- 1996
Nearest tenure peers in Pelham
- John Patrick Mccormick admitted 1996 · 30 yr
- Antoinette L. Williams admitted 1996 · 30 yr
- Scott W. Wright admitted 1997 · 29 yr
- James Vncent Ferreri admitted 1999 · 27 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 September 2026. Derived local rank, not published upstream.
How Michael compares to fellow Duke alumni
Among the 269 Duke graduates in the New York register, Michael Clement O'Sullivan is longer-tenured than 63%.
30 years vs. Duke alumni
Years since admission - 269 NY-registered alumni of this school
30 Top 37% higher than 63% of 269 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 · September 2026
The 1996 admission class today
Of the 6,887 attorneys admitted to the New York bar in 1996, 62.8% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2733525
- Year Admitted
- 1996 (30 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Oct 2026
Location & Contact
- City
- Pelham, NY
- County
- Westchester
- ZIP Code
- 10803
- Phone
- (917) 544-2166
Education
DUKE
Status Distribution Across the New York Bar
Michael Clement O'Sullivan'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 Duke alumni
Fellow alumni on the NY register whose admission year is closest to 1996 .
Same admission year (1996), other cities
NY-registered attorneys admitted in 1996 whose listed office city differs from Pelham, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Michael Clement O'Sullivan: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~84 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1996)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare attorneys →Before you rely on this record
Michael Clement O'Sullivan'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 Michael O'Sullivan licensed?
Michael O'Sullivan is licensed to practice law in New York.
When was Michael Clement O'Sullivan admitted to the bar?
Michael Clement O'Sullivan's admission to the New York bar dates back to 1996.
Where did Michael Clement O'Sullivan go to law school?
Michael Clement O'Sullivan attended DUKE.
Is Michael Clement O'Sullivan in good standing?
Yes, Michael Clement O'Sullivan 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.