New York attorney record · Judicial Dept 3
Dennis P. Sheehan
Gonzaga University alumna, admitted to the New York bar in 1977, registered office in Binghamton, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1977
- Admitted
- 49
- Years in bar
- 1401264
- NY reg #
The record in one line
Dennis P. Sheehan has spent 49 years on the register since admission in 1977, one of the longest-standing active practitioners the state bar carries at 92% tenure percentile.
- 49 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #20 of 332
- by tenure in Binghamton office peers
- Law school
- Gonzaga University
Data updated September 2026
What this profile tells you
Bar status & tenure
Dennis P. Sheehan has carried New York bar registration 1401264 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Hinman Howard & Kattell, LLP, located in Binghamton, NY (Broome County), ZIP 13902. 5 other attorneys share this firm affiliation in the registry. Educational background: GONZAGA UNIVERSITY (73 registered alumni).
State context & due diligence
Across a career spanning 49 years, Dennis P. Sheehan 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 P. Sheehan's 49 years since a 1977 admission places this record near the far edge of the statewide tenure curve below.
49 years on the New York bar
Years since admission, all currently-active NY attorneys
49 Top 8% higher than 92% 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 Binghamton, NY office peers
Most of the 332 NY-registered attorneys in Binghamton, NY outrank Dennis P. Sheehan on tenure; this record sits at the 6th local percentile (rank #20). See the Binghamton attorney directory .
- Local rank
- #20
- City cohort
- 332
- Local percentile
- 6th
- Admitted
- 1977
Nearest tenure peers in Binghamton
- Wayne Michael Chariff admitted 1977 · 49 yr
- William Joseph Ciaravino admitted 1977 · 49 yr
- Thomas J. Hickey admitted 1977 · 49 yr
- Claudia J. Martin admitted 1977 · 49 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 Gonzaga University alumni
Among the 73 Gonzaga University graduates in the New York register, Dennis P. Sheehan is longer-tenured than 67%.
49 years vs. Gonzaga University alumni
Years since admission - 73 NY-registered alumni of this school
49 Top 33% higher than 67% of 73 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
Gonzaga University's active-bar rate
Of Gonzaga University's 73 alumni in the New York register, 56.2% currently hold "Currently registered" status, below the statewide average.
The 1977 admission class today
Of the 3,593 attorneys admitted to the New York bar in 1977, 51.2% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1401264
- Year Admitted
- 1977 (49 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Aug 2028
Location & Contact
- Company
- Hinman Howard & Kattell, LLP
- City
- Binghamton, NY
- County
- Broome
- ZIP Code
- 13902
- Phone
- (607) 231-6752
Education
Status Distribution Across the New York Bar
Dennis P. Sheehan'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: Hinman Howard & Kattell, LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Gonzaga University alumni
Fellow alumni on the NY register whose admission year is closest to 1977 (excluding same-firm colleagues above).
Same admission year (1977), other cities
NY-registered attorneys admitted in 1977 whose listed office city differs from Binghamton, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Dennis P. Sheehan: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~333 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1977)
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 P. Sheehan'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 Sheehan licensed?
Dennis Sheehan is licensed to practice law in New York.
When was Dennis P. Sheehan admitted to the bar?
Dennis P. Sheehan's admission to the New York bar dates back to 1977.
Where did Dennis P. Sheehan go to law school?
Dennis P. Sheehan attended GONZAGA UNIVERSITY.
What company does Dennis P. Sheehan work for?
Dennis P. Sheehan is associated with Hinman Howard & Kattell, LLP in Binghamton, NY.
Is Dennis P. Sheehan in good standing?
Yes, Dennis P. Sheehan 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.