New York attorney record · Judicial Dept 1
John Pryor Keiserman
New York University alumna, admitted to the New York bar in 1999, 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.
- 1999
- Admitted
- 27
- Years in bar
- 2999696
- NY reg #
The record in one line
With 27 years on the register since a 1999 admission, John Pryor Keiserman ranks among the New York bar's most senior active practitioners, longer-tenured than 61% of the currently-active bar.
- 27 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 39%
- by tenure among active NY attorneys
- Law school
- New York University
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 2999696 with the New York bar authority has long belonged to John Pryor Keiserman, 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 Katten Muchin Rosenman LLP, located in New York, NY (New York County), ZIP 10020. 5 other attorneys share this firm affiliation in the registry. Educational background: NEW YORK UNIVERSITY.
State context & due diligence
After 27 years on the register, John Pryor Keiserman 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 Pryor Keiserman's 27 years since admission in 1999. The histogram plots that tenure against every currently-active attorney in the state.
27 years on the New York bar
Years since admission, all currently-active NY attorneys
27 Top 39% higher than 61% of 284,296 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 · May 2026
How John compares to fellow New York University alumni
Among the 4,467 New York University graduates in the New York register, John Pryor Keiserman is longer-tenured than 47% - a school-cohort view of experience, alongside the statewide one above.
27 years vs. New York University alumni
Years since admission - 4,467 NY-registered alumni of this school
27 Top 53% higher than 47% of 4,467 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 · May 2026
The 1999 admission class today
Of the 7,628 attorneys admitted to the New York bar in 1999, 79.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2999696
- Year Admitted
- 1999 (27 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Oct 2027
Location & Contact
- Company
- Katten Muchin Rosenman LLP
- City
- New York, NY
- County
- New York
- ZIP Code
- 10020
- Phone
- (212) 940-6385
Education
NEW YORK UNIVERSITY
Status Distribution Across the New York Bar
John Pryor Keiserman's current status, "Currently registered", places this attorney in the 66.2% of the 429,620-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.
Other Attorneys at Katten Muchin Rosenman LLP
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Compare attorneys →Before you rely on this record
John Pryor Keiserman'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 Keiserman licensed?
John Keiserman is licensed to practice law in New York.
When was John Pryor Keiserman admitted to the bar?
John Pryor Keiserman's admission to the New York bar dates back to 1999.
Where did John Pryor Keiserman go to law school?
John Pryor Keiserman attended NEW YORK UNIVERSITY.
What company does John Pryor Keiserman work for?
John Pryor Keiserman is associated with Katten Muchin Rosenman LLP in New York, NY.
Is John Pryor Keiserman in good standing?
Yes, John Pryor Keiserman holds active bar status ("Currently registered").
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.