New York attorney record · Judicial Dept 1
John William Osborne
University Of Illinois alumna, admitted to the New York bar in 1991, registered office in Cortlandt Manor, NY. 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
- 2424695
- NY reg #
The record in one line
With 35 years on the register since a 1991 admission, John William Osborne 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"
- #26 of 53
- by tenure in Cortlandt Manor office peers
- Law school
- University Of Illinois
Data updated September 2026
What this profile tells you
Bar status & tenure
Registration 2424695 with the New York bar authority has long belonged to John William Osborne, 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 Osborne Law LLC, located in Cortlandt Manor, NY (Westchester County), ZIP 10567. Educational background: UNIVERSITY OF ILLINOIS (182 registered alumni).
State context & due diligence
After 35 years on the register, John William Osborne 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 William Osborne'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 · September 2026
Tenure among Cortlandt Manor, NY office peers
Against Cortlandt Manor, NY's 53-attorney NY register cohort, John William Osborne lands at the 47th tenure percentile (rank #26). See the Cortlandt Manor attorney directory .
- Local rank
- #26
- City cohort
- 53
- Local percentile
- 47th
- Admitted
- 1991
Nearest tenure peers in Cortlandt Manor
- Marie Victoria Russo admitted 1991 · 35 yr
- Donald L. Singer Jr admitted 1991 · 35 yr
- Michael Jonathan Wieser admitted 1991 · 35 yr
- Daniel Ephraim Liebersohn admitted 1989 · 37 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 University Of Illinois alumni
Among the 131 University Of Illinois graduates in the New York register, John William Osborne is longer-tenured than 90%.
35 years vs. University Of Illinois alumni
Years since admission - 131 NY-registered alumni of this school
35 Top 10% higher than 90% of 131 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
University Of Illinois's active-bar rate
Of University Of Illinois's 182 alumni in the New York register, 60.4% currently hold "Currently registered" status, below 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
- 2424695
- Year Admitted
- 1991 (35 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Oct 2027
Location & Contact
- Company
- Osborne Law LLC
- City
- Cortlandt Manor, NY
- County
- Westchester
- ZIP Code
- 10567
- Phone
- (914) 714-5936
Education
Status Distribution Across the New York Bar
John William Osborne'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 University Of Illinois alumni
Fellow alumni on the NY register whose admission year is closest to 1991 (excluding same-firm colleagues above).
Same admission year (1991), other cities
NY-registered attorneys admitted in 1991 whose listed office city differs from Cortlandt Manor, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for John William Osborne: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~54 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1991)
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 Cortlandt Manor, NY
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Compare attorneys →Before you rely on this record
John William Osborne'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 Osborne licensed?
John Osborne is licensed to practice law in New York.
When was John William Osborne admitted to the bar?
John William Osborne's admission to the New York bar dates back to 1991.
Where did John William Osborne go to law school?
John William Osborne attended UNIVERSITY OF ILLINOIS.
What company does John William Osborne work for?
John William Osborne is associated with Osborne Law LLC in Cortlandt Manor, NY.
Is John William Osborne in good standing?
Yes, John William Osborne 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.