New York attorney record · Judicial Dept 1

David Peter Kassebaum

Columbia University School Of Law alumna, admitted to the New York bar in 2001, registered office in Washington, DC. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.

2001
Admitted
25
Years in bar
3944402
NY reg #

The record in one line

With 25 years on the register since a 2001 admission, David Peter Kassebaum ranks among the New York bar's most senior active practitioners, longer-tenured than 61% of the currently-active bar.

25 yrs
in active practice since admission
Active
current bar status: "Currently registered"
Top 39%
by tenure among active NY attorneys
Law school
Columbia University School Of Law

Data updated May 2026

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Bar status
Currently registered
active
Current registration status per NY Office of Court Administration
Year admitted
2001
25 years
Year of first admission to the New York bar
Law school
Columbia University School Of Law
Law school attended, with active-bar rate where available
Registration
3944402
NY registration #
Official NY OCA attorney registration number

What this profile tells you

Bar status & tenure

Registration 3944402 with the New York bar authority has long belonged to David Peter Kassebaum, 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 Millennium Challenge Corporation, located in Washington, DC, ZIP 20005. 4 other attorneys share this firm affiliation in the registry. Educational background: Columbia University School of Law.

State context & due diligence

After 25 years on the register, David Peter Kassebaum 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 David Peter Kassebaum's 25 years since admission in 2001. The histogram plots that tenure against every currently-active attorney in the state.

25 years on the New York bar

Years since admission, all currently-active NY attorneys

25 Top 39% higher than 61% of 284,296 active NY attorneys

This attorney 0 80 every active NY attorney, bucketed by value

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 David compares to fellow Columbia University School Of Law alumni

Among the 60 Columbia University School Of Law graduates in the New York register, David Peter Kassebaum is longer-tenured than 48% - a school-cohort view of experience, alongside the statewide one above.

25 years vs. Columbia University School Of Law alumni

Years since admission - 60 NY-registered alumni of this school

25 Top 52% higher than 48% of 60 fellow alumni

This attorney 10 60 every registered alum of this school, bucketed by value

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 2001 admission class today

Of the 7,416 attorneys admitted to the New York bar in 2001, 80% are still "Currently registered" today, above the statewide average across all admission years.

60%65%70%75%80%85% Statewide, all years2001 class 66.2% 80% ▲ +20.8%
Bar retention: statewide average vs. the 2001 admission class

Professional Details

Status
Currently registered
Registration Number
3944402
Year Admitted
2001 (25 yrs · veteran)
Judicial Department
1
Next Registration
Jan 2027

Location & Contact

Company
Millennium Challenge Corporation
ZIP Code
20005
Phone
(202) 521-3892

Education

Columbia University School of Law

Status Distribution Across the New York Bar

David Peter Kassebaum'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
Cohort Attorneys Share Profile relevance
Active in good standing 284,296
66.2%
This attorney is in this cohort
Other / inactive / discipline 145,324
33.8%
Verify status before engaging
Total registered 429,620 100.0% Full New York bar register

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.

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Before you rely on this record

David Peter Kassebaum'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 David Kassebaum licensed?

David Kassebaum is licensed to practice law in New York.

When was David Peter Kassebaum admitted to the bar?

David Peter Kassebaum's admission to the New York bar dates back to 2001.

Where did David Peter Kassebaum go to law school?

David Peter Kassebaum attended Columbia University School of Law.

What company does David Peter Kassebaum work for?

David Peter Kassebaum is associated with Millennium Challenge Corporation in Washington, DC.

Is David Peter Kassebaum in good standing?

Yes, David Peter Kassebaum holds active bar status ("Currently registered").

Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.