New York attorney record · Judicial Dept 4
John Joseph Hennigan
Georgetown University Law Center alumna, admitted to the New York bar in 1974. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1974
- Admitted
- 52
- Years in bar
- 1116482
- NY reg #
The record in one line
John Joseph Hennigan has spent 52 years on the register since admission in 1974, one of the longest-standing active practitioners the state bar carries at 96% tenure percentile.
- 52 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 4%
- by tenure among active NY attorneys
- Law school
- Georgetown University Law Center
Data updated August 2026
What this profile tells you
Bar status & tenure
John Joseph Hennigan has carried New York bar registration 1116482 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 4, the appellate division overseeing this attorney's home district.
Practice context & education
Even after 52 years on the register, no firm or business address is on file for this attorney. Educational background: Georgetown University Law Center (6,587 registered alumni).
State context & due diligence
Across a career spanning 52 years, John Joseph Hennigan 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 Joseph Hennigan's 52 years since a 1974 admission places this record near the far edge of the statewide tenure curve below.
52 years on the New York bar
Years since admission, all currently-active NY attorneys
52 Top 4% higher than 96% 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
How John compares to fellow Georgetown University Law Center alumni
Among the 8,074 Georgetown University Law Center graduates in the New York register, John Joseph Hennigan is longer-tenured than 99%.
52 years vs. Georgetown University Law Center alumni
Years since admission - 8,074 NY-registered alumni of this school
52 Top 1% higher than 99% of 8,074 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
Georgetown University Law Center's active-bar rate
Of Georgetown University Law Center's 6,587 alumni in the New York register, 83.1% currently hold "Currently registered" status, above the statewide average.
Georgetown University Law Center alumni, active-bar rate
The 1974 admission class today
Of the 2,908 attorneys admitted to the New York bar in 1974, 46.2% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1116482
- Year Admitted
- 1974 (52 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- May 2028
Location & Contact
Education
Status Distribution Across the New York Bar
John Joseph Hennigan'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 Georgetown University Law Center alumni
Fellow alumni on the NY register whose admission year is closest to 1974 .
Same admission year (1974), other cities
NY-registered attorneys admitted in 1974 whose listed office city differs from this record, a vintage cohort, not a neighborhood list.
Verify This Attorney
Verify on NY Courts Attorney SearchBefore you rely on this record
John Joseph Hennigan'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 Hennigan licensed?
John Hennigan is licensed to practice law in New York.
When was John Joseph Hennigan admitted to the bar?
John Joseph Hennigan's admission to the New York bar dates back to 1974.
Where did John Joseph Hennigan go to law school?
John Joseph Hennigan attended Georgetown University Law Center.
Is John Joseph Hennigan in good standing?
Yes, John Joseph Hennigan 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.