New York attorney record · Judicial Dept 1
John B. Quinn
Harvard Law School alumna, admitted to the New York bar in 1978, registered office in Los Angeles, CA. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1978
- Admitted
- 48
- Years in bar
- 1380997
- NY reg #
The record in one line
John B. Quinn has spent 48 years on the register since admission in 1978, one of the longest-standing active practitioners the state bar carries at 92% tenure percentile.
- 48 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #103 of 2,872
- by tenure in Los Angeles office peers
- Law school
- Harvard Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
John B. Quinn has carried New York bar registration 1380997 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 Quinn Emanuel Urquhart & Sullivan LLP, located in Los Angeles, CA, ZIP 90017. 5 other attorneys share this firm affiliation in the registry. Educational background: Harvard Law School (16,712 registered alumni).
State context & due diligence
Across a career spanning 48 years, John B. Quinn 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 B. Quinn's 48 years since a 1978 admission places this record near the far edge of the statewide tenure curve below.
48 years on the New York bar
Years since admission, all currently-active NY attorneys
48 Top 8% higher than 92% 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 Los Angeles, CA office peers
John B. Quinn is earlier in the Los Angeles, CA office cohort than most peers: local tenure rank #103 of 2,872 (4th percentile). See the Los Angeles attorney directory .
- Local rank
- #103
- City cohort
- 2,872
- Local percentile
- 4th
- Admitted
- 1978
Nearest tenure peers in Los Angeles
- Mark A. Conley admitted 1978 · 48 yr
- T Brent Costello admitted 1978 · 48 yr
- Silas Frederick Davis admitted 1978 · 48 yr
- Andrew Lawrence Deutsch admitted 1978 · 48 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 Harvard Law School alumni
Among the 8,724 Harvard Law School graduates in the New York register, John B. Quinn is longer-tenured than 99%.
48 years vs. Harvard Law School alumni
Years since admission - 8,724 NY-registered alumni of this school
48 Top 1% higher than 99% of 8,724 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
Harvard Law School's active-bar rate
Of Harvard Law School's 16,712 alumni in the New York register, 63.6% currently hold "Currently registered" status, below the statewide average.
The 1978 admission class today
Of the 3,834 attorneys admitted to the New York bar in 1978, 51.7% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1380997
- Year Admitted
- 1978 (48 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Jun 2028
Location & Contact
- Company
- Quinn Emanuel Urquhart & Sullivan LLP
- City
- Los Angeles, CA
- ZIP Code
- 90017
- Phone
- (213) 443-3000
Education
Status Distribution Across the New York Bar
John B. Quinn'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: Quinn Emanuel Urquhart & Sullivan LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Harvard Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1978 (excluding same-firm colleagues above).
Same admission year (1978), other cities
NY-registered attorneys admitted in 1978 whose listed office city differs from Los Angeles, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for John B. Quinn: closest NY bar admission year outside CA, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,873 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1978)
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 Los Angeles, CA
Compare credentials side-by-side
Compare John B. Quinn with similar attorneys in Los Angeles.
Compare attorneys →Before you rely on this record
John B. Quinn'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 Quinn licensed?
John Quinn is licensed to practice law in New York.
When was John B. Quinn admitted to the bar?
John B. Quinn's admission to the New York bar dates back to 1978.
Where did John B. Quinn go to law school?
John B. Quinn attended Harvard Law School.
What company does John B. Quinn work for?
John B. Quinn is associated with Quinn Emanuel Urquhart & Sullivan LLP in Los Angeles, CA.
Is John B. Quinn in good standing?
Yes, John B. Quinn 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.