New York attorney record · Judicial Dept 1
John Joseph Cannon Iii
New York University School Of Law alumna, admitted to the New York bar in 1987, registered office in New York, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1987
- Admitted
- 39
- Years in bar
- 2144756
- NY reg #
The record in one line
With 39 years on the register since a 1987 admission, John Joseph Cannon Iii ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 39 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #10951 of 93,608
- by tenure in New York office peers
- Law school
- New York University School Of Law
Data updated August 2026
What this profile tells you
Bar status & tenure
Registration 2144756 with the New York bar authority has long belonged to John Joseph Cannon Iii, a veteran practitioner still in active 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 A&O Shearman, located in New York, NY (New York County), ZIP 10022. 5 other attorneys share this firm affiliation in the registry. Educational background: New York University School of Law (11,584 registered alumni).
State context & due diligence
After 39 years on the register, John Joseph Cannon Iii still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match John Joseph Cannon Iii's 39 years since admission in 1987.
39 years on the New York bar
Years since admission, all currently-active NY attorneys
39 Top 21% higher than 79% 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 New York, NY office peers
John Joseph Cannon Iii is earlier in the New York, NY office cohort than most peers: local tenure rank #10,951 of 93,608 (12th percentile). See the New York attorney directory .
- Local rank
- #10,951
- City cohort
- 93,608
- Local percentile
- 12th
- Admitted
- 1987
Nearest tenure peers in New York
- Jay B. Abramson admitted 1987 · 39 yr
- Brian Adams admitted 1987 · 39 yr
- Andrew John Adelhardt Iii admitted 1987 · 39 yr
- Barry E. Adler admitted 1987 · 39 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 New York University School Of Law alumni
Among the 13,607 New York University School Of Law graduates in the New York register, John Joseph Cannon Iii is longer-tenured than 99%.
39 years vs. New York University School Of Law alumni
Years since admission - 13,607 NY-registered alumni of this school
39 Top 1% higher than 99% of 13,607 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
New York University School Of Law's active-bar rate
Of New York University School Of Law's 11,584 alumni in the New York register, 82.9% currently hold "Currently registered" status, above the statewide average.
The 1987 admission class today
Of the 5,948 attorneys admitted to the New York bar in 1987, 73.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2144756
- Year Admitted
- 1987 (39 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Jun 2027
Location & Contact
- Company
- A&O Shearman
- City
- New York, NY
- County
- New York
- ZIP Code
- 10022
- Phone
- (212) 848-8159
Education
Status Distribution Across the New York Bar
John Joseph Cannon 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: A&O Shearman
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure New York University School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 1987 (excluding same-firm colleagues above).
Same admission year (1987), other cities
NY-registered attorneys admitted in 1987 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 Joseph Cannon Iii: 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 (~1987)
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 Joseph Cannon 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 Cannon licensed?
John Cannon is licensed to practice law in New York.
When was John Joseph Cannon Iii admitted to the bar?
John Joseph Cannon Iii's admission to the New York bar dates back to 1987.
Where did John Joseph Cannon Iii go to law school?
John Joseph Cannon Iii attended New York University School of Law.
What company does John Joseph Cannon Iii work for?
John Joseph Cannon Iii is associated with A&O Shearman in New York, NY.
Is John Joseph Cannon Iii in good standing?
Yes, John Joseph Cannon 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.