New York attorney record · Judicial Dept 3
John William Leardi
Seton Hall Univ. School Of Law alumna, admitted to the New York bar in 2007, registered office in Princeton, NJ. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2007
- Admitted
- 19
- Years in bar
- 4525010
- NY reg #
The record in one line
John William Leardi has held an active New York bar license for 19 years - admitted in 2007, longer-tenured than 38% of the state's currently-active attorneys.
- 19 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #380 of 640
- by tenure in Princeton office peers
- Law school
- Seton Hall Univ. School Of Law
Data updated August 2026
What this profile tells you
Bar status & tenure
John William Leardi carries New York bar registration 4525010, an established, active practitioner in good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Buttaci Leardi & Werner LLC, located in Princeton, NJ, ZIP 08540. 3 other attorneys share this firm affiliation in the registry. Educational background: SETON HALL UNIV. SCHOOL OF LAW (81 registered alumni).
State context & due diligence
With an established practice on record, John William Leardi remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
John William Leardi was admitted in 2007, giving 19 years on the New York register.
19 years on the New York bar
Years since admission, all currently-active NY attorneys
19 Top 62% higher than 38% 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 Princeton, NJ office peers
Relative to the 640 NY-registered attorneys listing Princeton, NJ, John William Leardi is longer-tenured than 59% (local rank #380). See the Princeton attorney directory .
- Local rank
- #380
- City cohort
- 640
- Local percentile
- 59th
- Admitted
- 2007
Nearest tenure peers in Princeton
- Christopher Brian Bladel admitted 2007 · 19 yr
- Eric Evan Bleich admitted 2007 · 19 yr
- Vineet Chander admitted 2007 · 19 yr
- Cynthia A. Delisi admitted 2007 · 19 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 John compares to fellow Seton Hall Univ. School Of Law alumni
Among the 81 Seton Hall Univ. School Of Law graduates in the New York register, John William Leardi is longer-tenured than 42%.
19 years vs. Seton Hall Univ. School Of Law alumni
Years since admission - 81 NY-registered alumni of this school
19 Top 58% higher than 42% of 81 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
Seton Hall Univ. School Of Law's active-bar rate
Of Seton Hall Univ. School Of Law's 81 alumni in the New York register, 81.5% currently hold "Currently registered" status, above the statewide average.
The 2007 admission class today
Of the 8,913 attorneys admitted to the New York bar in 2007, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4525010
- Year Admitted
- 2007 (19 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Oct 2027
Location & Contact
- Company
- Buttaci Leardi & Werner LLC
- City
- Princeton, NJ
- ZIP Code
- 08540
- Phone
- (609) 799-5150
Education
Status Distribution Across the New York Bar
John William Leardi'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: Buttaci Leardi & Werner LLC
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Seton Hall Univ. School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 2007 (excluding same-firm colleagues above).
Same admission year (2007), other cities
NY-registered attorneys admitted in 2007 whose listed office city differs from Princeton, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for John William Leardi: closest NY bar admission year outside NJ, and closest out-of-state office cities by how many NY-registered attorneys they list (~641 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2007)
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 William Leardi'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 Leardi licensed?
John Leardi is licensed to practice law in New York.
When was John William Leardi admitted to the bar?
John William Leardi was admitted to the bar in 2007.
Where did John William Leardi go to law school?
John William Leardi attended SETON HALL UNIV. SCHOOL OF LAW.
What company does John William Leardi work for?
John William Leardi is associated with Buttaci Leardi & Werner LLC in Princeton, NJ.
Is John William Leardi in good standing?
Yes, John William Leardi 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.