New York attorney record · Judicial Dept 2
Gavin Francis O'Brien
St. Johns University School Of Law alumna, admitted to the New York bar in 2022, registered office in Islandia, NY. As a recent entrant to the registry, this record's status, address, and admission date come straight from the NY Office of Court Administration.
- 2022
- Admitted
- 4
- Years in bar
- 5993340
- NY reg #
The record in one line
Gavin Francis O'Brien is early in an active New York law career - admitted to the bar in 2022 and on active status for 4 years so far, already ahead of 0% of the state's active bar by tenure.
- 4 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #237 of 257
- by tenure in Islandia office peers
- Law school
- St. Johns University School Of Law
Data updated September 2026
What this profile tells you
Bar status & tenure
Gavin Francis O'Brien holds bar number 5993340 with the New York bar authority, a recent active-status addition to the roll. Registration is recorded within Judicial Department 2, 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: St. Johns University School of Law.
State context & due diligence
As a recent addition to the register, Gavin Francis O'Brien counts toward the New York bar's active cohort; the breakdown below shows how that group stacks up against the rest of the register.
Experience vs. the active New York bar
Gavin Francis O'Brien is a recent addition to the active New York bar, admitted in 2022. The histogram below shows where 4 years of tenure falls among every currently-active attorney in the state.
4 years on the New York bar
Years since admission, all currently-active NY attorneys
4 Top 100% higher than 0% 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 Islandia, NY office peers
Gavin Francis O'Brien is among the longer-standing NY-bar records in Islandia, NY: #237 of 257 by years since admission (92nd percentile locally). See the Islandia attorney directory .
- Local rank
- #237
- City cohort
- 257
- Local percentile
- 92nd
- Admitted
- 2022
Nearest tenure peers in Islandia
- Justin Thomas Bandise admitted 2022 · 4 yr
- Samantha Veronica Barros admitted 2022 · 4 yr
- Zachary Phillip Cardillo admitted 2022 · 4 yr
- Olivia Rose Lockwood admitted 2022 · 4 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 Gavin compares to fellow St. Johns University School Of Law alumni
Among the 1,505 St. Johns University School Of Law graduates in the New York register, Gavin Francis O'Brien is longer-tenured than 0%.
4 years vs. St. Johns University School Of Law alumni
Years since admission - 1,505 NY-registered alumni of this school
4 Top 100% higher than 0% of 1,505 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 2022 admission class today
Of the 7,736 attorneys admitted to the New York bar in 2022, 76.7% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5993340
- Year Admitted
- 2022 (4 yrs · early career)
- Judicial Department
- 2
- Next Registration
- Dec 2026
Location & Contact
- Company
- Lewis Johs Avallone Aviles, LLP
- City
- Islandia, NY
- County
- Suffolk
- ZIP Code
- 11749
- Phone
- (631) 755-0101
Education
St. Johns University School of Law
Status Distribution Across the New York Bar
Gavin Francis O'Brien'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 St. Johns University School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 2022 (excluding same-firm colleagues above).
Same admission year (2022), other cities
NY-registered attorneys admitted in 2022 whose listed office city differs from Islandia, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Gavin Francis O'Brien: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~258 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2022)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Islandia, NY
Compare credentials side-by-side
Compare Gavin Francis O'Brien with similar attorneys in Islandia.
Compare attorneys →Before you rely on this record
Gavin Francis O'Brien'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 Gavin O'Brien licensed?
Gavin O'Brien is licensed to practice law in New York.
When was Gavin Francis O'Brien admitted to the bar?
Gavin Francis O'Brien was admitted to the New York bar in 2022, 4 years ago.
Where did Gavin Francis O'Brien go to law school?
Gavin Francis O'Brien attended St. Johns University School of Law.
What company does Gavin Francis O'Brien work for?
Gavin Francis O'Brien is associated with Lewis Johs Avallone Aviles, LLP in Islandia, NY.
Is Gavin Francis O'Brien in good standing?
Yes, Gavin Francis O'Brien 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.