New York attorney record · Judicial Dept 1
John L. Hardiman
Duke University School Of Law alumna, admitted to the New York bar in 1983, registered office in New York, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1983
- Admitted
- 43
- Years in bar
- 2203339
- NY reg #
The record in one line
John L. Hardiman has spent 43 years on the register since admission in 1983, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 43 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #7174 of 93,608
- by tenure in New York office peers
- Law school
- Duke University School Of Law
Data updated September 2026
What this profile tells you
Bar status & tenure
John L. Hardiman has carried New York bar registration 2203339 for the better part of a career, still active and in 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 Sullivan & Cromwell LLP, located in New York, NY (New York County), ZIP 10004. 5 other attorneys share this firm affiliation in the registry. Educational background: Duke University School of Law (3,744 registered alumni).
State context & due diligence
Across a career spanning 43 years, John L. Hardiman 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
John L. Hardiman's 43 years since a 1983 admission places this record near the far edge of the statewide tenure curve below.
43 years on the New York bar
Years since admission, all currently-active NY attorneys
43 Top 14% higher than 86% 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 New York, NY office peers
John L. Hardiman is earlier in the New York, NY office cohort than most peers: local tenure rank #7,174 of 93,608 (8th percentile). See the New York attorney directory .
- Local rank
- #7,174
- City cohort
- 93,608
- Local percentile
- 8th
- Admitted
- 1983
Nearest tenure peers in New York
- Camille Marie Abate admitted 1983 · 43 yr
- Rolando Tomas Acosta admitted 1983 · 43 yr
- Arthur S. Adler admitted 1983 · 43 yr
- Clifford Robin Adler admitted 1983 · 43 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 John compares to fellow Duke University School Of Law alumni
Among the 2,805 Duke University School Of Law graduates in the New York register, John L. Hardiman is longer-tenured than 99%.
43 years vs. Duke University School Of Law alumni
Years since admission - 2,805 NY-registered alumni of this school
43 Top 1% higher than 99% of 2,805 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
Duke University School Of Law's active-bar rate
Of Duke University School Of Law's 3,744 alumni in the New York register, 75.8% currently hold "Currently registered" status, above the statewide average.
The 1983 admission class today
Of the 5,424 attorneys admitted to the New York bar in 1983, 67.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2203339
- Year Admitted
- 1983 (43 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- May 2027
Location & Contact
- Company
- Sullivan & Cromwell LLP
- City
- New York, NY
- County
- New York
- ZIP Code
- 10004
- Phone
- (212) 558-4070
Education
Status Distribution Across the New York Bar
John L. Hardiman'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.
Same firm affiliation: Sullivan & Cromwell LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Duke University School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 1983 (excluding same-firm colleagues above).
Same admission year (1983), other cities
NY-registered attorneys admitted in 1983 whose listed office city differs from New York, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for John L. Hardiman: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~93,609 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1983)
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
John L. Hardiman'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 John Hardiman licensed?
John Hardiman is licensed to practice law in New York.
When was John L. Hardiman admitted to the bar?
John L. Hardiman's admission to the New York bar dates back to 1983.
Where did John L. Hardiman go to law school?
John L. Hardiman attended Duke University School of Law.
What company does John L. Hardiman work for?
John L. Hardiman is associated with Sullivan & Cromwell LLP in New York, NY.
Is John L. Hardiman in good standing?
Yes, John L. Hardiman 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.