New York attorney record · Judicial Dept 1
John David Henderson
University Of California Berkeley School Of Law alumna, admitted to the New York bar in 1984, registered office in Washington, DC. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1984
- Admitted
- 42
- Years in bar
- 1937457
- NY reg #
The record in one line
John David Henderson has spent 42 years on the register since admission in 1984, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 42 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #521 of 12,540
- by tenure in Washington office peers
- Law school
- University Of California Berkeley School Of Law
Data updated August 2026
What this profile tells you
Bar status & tenure
John David Henderson has carried New York bar registration 1937457 for the better part of a career, still active and in 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 Us International Trade Commission, located in Washington, DC, ZIP 20436. 4 other attorneys share this firm affiliation in the registry. Educational background: University of California Berkeley School of Law (1,354 registered alumni).
State context & due diligence
Across a career spanning 42 years, John David Henderson has remained part of the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
John David Henderson's 42 years since a 1984 admission places this record near the far edge of the statewide tenure curve below.
42 years on the New York bar
Years since admission, all currently-active NY attorneys
42 Top 14% higher than 86% 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 Washington, DC office peers
John David Henderson is earlier in the Washington, DC office cohort than most peers: local tenure rank #521 of 12,540 (4th percentile). See the Washington attorney directory .
- Local rank
- #521
- City cohort
- 12,540
- Local percentile
- 4th
- Admitted
- 1984
Nearest tenure peers in Washington
- Steven Mitchell Anzalone admitted 1984 · 42 yr
- John Campbell Arensmeyer admitted 1984 · 42 yr
- Charles J. Baron admitted 1984 · 42 yr
- Susan Perkoff Bass admitted 1984 · 42 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 University Of California Berkeley School Of Law alumni
Among the 1,206 University Of California Berkeley School Of Law graduates in the New York register, John David Henderson is longer-tenured than 99%.
42 years vs. University Of California Berkeley School Of Law alumni
Years since admission - 1,206 NY-registered alumni of this school
42 Top 1% higher than 99% of 1,206 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
University Of California Berkeley School Of Law's active-bar rate
Of University Of California Berkeley School Of Law's 1,354 alumni in the New York register, 83.1% currently hold "Currently registered" status, above the statewide average.
The 1984 admission class today
Of the 5,952 attorneys admitted to the New York bar in 1984, 54.8% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1937457
- Year Admitted
- 1984 (42 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Jun 2028
Location & Contact
- Company
- Us International Trade Commission
- City
- Washington, DC
- ZIP Code
- 20436
- Phone
- (202) 205-2130
Status Distribution Across the New York Bar
John David Henderson'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: Us International Trade Commission
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure University Of California Berkeley School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 1984 (excluding same-firm colleagues above).
Same admission year (1984), other cities
NY-registered attorneys admitted in 1984 whose listed office city differs from Washington, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for John David Henderson: closest NY bar admission year outside DC, and closest out-of-state office cities by how many NY-registered attorneys they list (~12,541 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1984)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare attorneys →Before you rely on this record
John David Henderson'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 Henderson licensed?
John Henderson is licensed to practice law in New York.
When was John David Henderson admitted to the bar?
John David Henderson's admission to the New York bar dates back to 1984.
Where did John David Henderson go to law school?
John David Henderson attended University of California Berkeley School of Law.
What company does John David Henderson work for?
John David Henderson is associated with Us International Trade Commission in Washington, DC.
Is John David Henderson in good standing?
Yes, John David Henderson 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.