New York attorney record · Judicial Dept 1
John Joseph Halleron Iii
Columbia University alumna, admitted to the New York bar in 1968, registered office in Islandia, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1968
- Admitted
- 58
- Years in bar
- 1226828
- NY reg #
The record in one line
John Joseph Halleron Iii has spent 58 years on the register since admission in 1968, one of the longest-standing active practitioners the state bar carries at 98% tenure percentile.
- 58 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1 of 257
- by tenure in Islandia office peers
- Law school
- Columbia University
Data updated August 2026
What this profile tells you
Bar status & tenure
John Joseph Halleron Iii has carried New York bar registration 1226828 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 Lewis Johs Avallone Aviles, LLP, located in Islandia, NY (Suffolk County), ZIP 11749. 5 other attorneys share this firm affiliation in the registry. Educational background: COLUMBIA UNIVERSITY (3,238 registered alumni).
State context & due diligence
Across a career spanning 58 years, John Joseph Halleron Iii 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 Joseph Halleron Iii's 58 years since a 1968 admission places this record near the far edge of the statewide tenure curve below.
58 years on the New York bar
Years since admission, all currently-active NY attorneys
58 Top 2% higher than 98% 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 Islandia, NY office peers
Most of the 257 NY-registered attorneys in Islandia, NY outrank John Joseph Halleron Iii on tenure; this record sits at the 0th local percentile (rank #1). See the Islandia attorney directory .
- Local rank
- #1
- City cohort
- 257
- Local percentile
- 0th
- Admitted
- 1968
Nearest tenure peers in Islandia
- Mark Alan Garbus admitted 1968 · 58 yr
- Ronald Forster admitted 1969 · 57 yr
- Stephen Holbreich admitted 1971 · 55 yr
- Harry Julius Binder admitted 1972 · 54 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 Columbia University alumni
Among the 1,229 Columbia University graduates in the New York register, John Joseph Halleron Iii is longer-tenured than 99%.
58 years vs. Columbia University alumni
Years since admission - 1,229 NY-registered alumni of this school
58 Top 1% higher than 99% of 1,229 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
Columbia University's active-bar rate
Of Columbia University's 3,238 alumni in the New York register, 53.6% currently hold "Currently registered" status, below the statewide average.
Columbia University alumni, active-bar rate
The 1968 admission class today
Of the 1,871 attorneys admitted to the New York bar in 1968, 31.6% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1226828
- Year Admitted
- 1968 (58 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Oct 2026
Location & Contact
- Company
- Lewis Johs Avallone Aviles, LLP
- City
- Islandia, NY
- County
- Suffolk
- ZIP Code
- 11749
- Phone
- (631) 755-0101
Education
Status Distribution Across the New York Bar
John Joseph Halleron Iii'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: Lewis Johs Avallone Aviles, LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Columbia University alumni
Fellow alumni on the NY register whose admission year is closest to 1968 (excluding same-firm colleagues above).
Same admission year (1968), other cities
NY-registered attorneys admitted in 1968 whose listed office city differs from Islandia, a vintage cohort, not a neighborhood list.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Islandia, NY
Compare credentials side-by-side
Compare John Joseph Halleron Iii with similar attorneys in Islandia.
Compare attorneys →Before you rely on this record
John Joseph Halleron Iii'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 Halleron licensed?
John Halleron is licensed to practice law in New York.
When was John Joseph Halleron Iii admitted to the bar?
John Joseph Halleron Iii's admission to the New York bar dates back to 1968.
Where did John Joseph Halleron Iii go to law school?
John Joseph Halleron Iii attended COLUMBIA UNIVERSITY.
What company does John Joseph Halleron Iii work for?
John Joseph Halleron Iii is associated with Lewis Johs Avallone Aviles, LLP in Islandia, NY.
Is John Joseph Halleron Iii in good standing?
Yes, John Joseph Halleron Iii 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.