New York attorney record · Judicial Dept 3
Dennis James Alessi
New England alumna, admitted to the New York bar in 1983, registered office in Roseland, NJ. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1983
- Admitted
- 43
- Years in bar
- 1848316
- NY reg #
The record in one line
Dennis James Alessi has spent 43 years on the register since admission in 1983, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 43 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #47 of 676
- by tenure in Roseland office peers
- Law school
- New England
Data updated August 2026
What this profile tells you
Bar status & tenure
Dennis James Alessi has carried New York bar registration 1848316 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 Mandelbaum, Barrett, located in Roseland, NJ, ZIP 07068. Educational background: NEW ENGLAND (313 registered alumni).
State context & due diligence
Across a career spanning 43 years, Dennis James Alessi 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 James Alessi's 43 years since a 1983 admission places this record near the far edge of the statewide tenure curve below.
43 years on the New York bar
Years since admission, all currently-active NY attorneys
43 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 Roseland, NJ office peers
Most of the 676 NY-registered attorneys in Roseland, NJ outrank Dennis James Alessi on tenure; this record sits at the 7th local percentile (rank #47). See the Roseland attorney directory .
- Local rank
- #47
- City cohort
- 676
- Local percentile
- 7th
- Admitted
- 1983
Nearest tenure peers in Roseland
- Rhonda E. Carniol admitted 1983 · 43 yr
- Jeffrey M. Gussoff admitted 1983 · 43 yr
- Paul Kizel admitted 1983 · 43 yr
- Jonathan J. Lerner admitted 1983 · 43 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 Dennis compares to fellow New England alumni
Among the 283 New England graduates in the New York register, Dennis James Alessi is longer-tenured than 69%.
43 years vs. New England alumni
Years since admission - 283 NY-registered alumni of this school
43 Top 31% higher than 69% of 283 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
New England's active-bar rate
Of New England's 313 alumni in the New York register, 67.4% currently hold "Currently registered" status, above the statewide average.
The 1983 admission class today
Of the 5,424 attorneys admitted to the New York bar in 1983, 67.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1848316
- Year Admitted
- 1983 (43 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Oct 2027
Location & Contact
- Company
- Mandelbaum, Barrett
- City
- Roseland, NJ
- ZIP Code
- 07068
- Phone
- (973) 736-4600
Education
Status Distribution Across the New York Bar
Dennis James Alessi'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 New England alumni
Fellow alumni on the NY register whose admission year is closest to 1983 (excluding same-firm colleagues above).
Same admission year (1983), other cities
NY-registered attorneys admitted in 1983 whose listed office city differs from Roseland, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Dennis James Alessi: closest NY bar admission year outside NJ, and closest out-of-state office cities by how many NY-registered attorneys they list (~677 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1983)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Roseland, NJ
Compare credentials side-by-side
Compare Dennis James Alessi with similar attorneys in Roseland.
Compare attorneys →Before you rely on this record
Dennis James Alessi'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 Alessi licensed?
Dennis Alessi is licensed to practice law in New York.
When was Dennis James Alessi admitted to the bar?
Dennis James Alessi's admission to the New York bar dates back to 1983.
Where did Dennis James Alessi go to law school?
Dennis James Alessi attended NEW ENGLAND.
What company does Dennis James Alessi work for?
Dennis James Alessi is associated with Mandelbaum, Barrett in Roseland, NJ.
Is Dennis James Alessi in good standing?
Yes, Dennis James Alessi 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.