New York attorney record · Judicial Dept 1
John Edmund Colloton Jr
Harvard Law School alumna, admitted to the New York bar in 1991, registered office in Mill Valley, CA. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1991
- Admitted
- 35
- Years in bar
- 2388684
- NY reg #
The record in one line
With 35 years on the register since a 1991 admission, John Edmund Colloton Jr ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 35 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #10 of 26
- by tenure in Mill Valley office peers
- Law school
- Harvard Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Registration 2388684 with the New York bar authority has long belonged to John Edmund Colloton Jr, 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
The attorney's registration lists a business address in Mill Valley, CA, ZIP 94941. Educational background: Harvard Law School (9,205 registered alumni).
State context & due diligence
After 35 years on the register, John Edmund Colloton Jr 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 Edmund Colloton Jr's 35 years since admission in 1991.
35 years on the New York bar
Years since admission, all currently-active NY attorneys
35 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 Mill Valley, CA office peers
Within Mill Valley, CA's 26-attorney local set, John Edmund Colloton Jr is #10 by tenure, a small-cohort read, not a statewide claim. See the Mill Valley attorney directory .
- Local rank
- #10
- City cohort
- 26
- Local percentile
- 35th
- Admitted
- 1991
Nearest tenure peers in Mill Valley
- Rena Ivy admitted 1991 · 35 yr
- Paul Konstantin Sidorenko admitted 1992 · 34 yr
- Jay Richard Rosner admitted 1993 · 33 yr
- John B. Duncan admitted 1988 · 38 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 Harvard Law School alumni
Among the 8,724 Harvard Law School graduates in the New York register, John Edmund Colloton Jr is longer-tenured than 99%.
35 years vs. Harvard Law School alumni
Years since admission - 8,724 NY-registered alumni of this school
35 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 · August 2026
Harvard Law School's active-bar rate
Of Harvard Law School's 9,205 alumni in the New York register, 74.8% currently hold "Currently registered" status, above the statewide average.
The 1991 admission class today
Of the 6,456 attorneys admitted to the New York bar in 1991, 75.3% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2388684
- Year Admitted
- 1991 (35 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Jul 2027
Location & Contact
- City
- Mill Valley, CA
- ZIP Code
- 94941
- Phone
- (415) 384-8939
Education
Status Distribution Across the New York Bar
John Edmund Colloton Jr'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.
Near-tenure Harvard Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1991 .
Same admission year (1991), other cities
NY-registered attorneys admitted in 1991 whose listed office city differs from Mill Valley, a vintage cohort, not a neighborhood list.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Mill Valley, CA
Compare credentials side-by-side
Compare John Edmund Colloton Jr with similar attorneys in Mill Valley.
Compare attorneys →Before you rely on this record
John Edmund Colloton Jr'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 Colloton licensed?
John Colloton is licensed to practice law in New York.
When was John Edmund Colloton Jr admitted to the bar?
John Edmund Colloton Jr's admission to the New York bar dates back to 1991.
Where did John Edmund Colloton Jr go to law school?
John Edmund Colloton Jr attended Harvard Law School.
Is John Edmund Colloton Jr in good standing?
Yes, John Edmund Colloton Jr 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.