New York attorney record · Judicial Dept 4
Dennis Patrick Hennigan
Case Western Reserve Univ alumna, admitted to the New York bar in 1982, registered office in Camillus, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1982
- Admitted
- 44
- Years in bar
- 1758580
- NY reg #
The record in one line
Dennis Patrick Hennigan has spent 44 years on the register since admission in 1982, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 44 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #9 of 31
- by tenure in Camillus office peers
- Law school
- Case Western Reserve Univ
Data updated September 2026
What this profile tells you
Bar status & tenure
Dennis Patrick Hennigan has carried New York bar registration 1758580 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
The attorney's registration lists a business address in Camillus, NY (Onondaga County), ZIP 13031. Educational background: CASE WESTERN RESERVE UNIV.
State context & due diligence
Across a career spanning 44 years, Dennis Patrick 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
Dennis Patrick Hennigan's 44 years since a 1982 admission places this record near the far edge of the statewide tenure curve below.
44 years on the New York bar
Years since admission, all currently-active NY attorneys
44 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 · September 2026
Tenure among Camillus, NY office peers
Within Camillus, NY's 31-attorney local set, Dennis Patrick Hennigan is #9 by tenure, a small-cohort read, not a statewide claim. See the Camillus attorney directory .
- Local rank
- #9
- City cohort
- 31
- Local percentile
- 26th
- Admitted
- 1982
Nearest tenure peers in Camillus
- Daniel G. Cantone admitted 1982 · 44 yr
- Dana Grillo admitted 1982 · 44 yr
- Francine Guariglia Turner admitted 1983 · 43 yr
- Joanna Gozzi admitted 1980 · 46 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 Dennis compares to fellow Case Western Reserve Univ alumni
Among the 138 Case Western Reserve Univ graduates in the New York register, Dennis Patrick Hennigan is longer-tenured than 50%.
44 years vs. Case Western Reserve Univ alumni
Years since admission - 138 NY-registered alumni of this school
44 Top 50% higher than 50% of 138 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
The 1982 admission class today
Of the 5,181 attorneys admitted to the New York bar in 1982, 52.7% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1758580
- Year Admitted
- 1982 (44 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Jul 2028
Location & Contact
- City
- Camillus, NY
- County
- Onondaga
- ZIP Code
- 13031
- Phone
- (315) 569-2868
Education
CASE WESTERN RESERVE UNIV
Status Distribution Across the New York Bar
Dennis Patrick 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 Case Western Reserve Univ alumni
Fellow alumni on the NY register whose admission year is closest to 1982 .
Same admission year (1982), other cities
NY-registered attorneys admitted in 1982 whose listed office city differs from Camillus, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Dennis Patrick Hennigan: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~32 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1982)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
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Compare attorneys →Before you rely on this record
Dennis Patrick 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 Dennis Hennigan licensed?
Dennis Hennigan is licensed to practice law in New York.
When was Dennis Patrick Hennigan admitted to the bar?
Dennis Patrick Hennigan's admission to the New York bar dates back to 1982.
Where did Dennis Patrick Hennigan go to law school?
Dennis Patrick Hennigan attended CASE WESTERN RESERVE UNIV.
Is Dennis Patrick Hennigan in good standing?
Yes, Dennis Patrick 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.