New York attorney record · Judicial Dept 1
Jeffrey Alan Mandelbaum
Harvard alumna, admitted to the New York bar in 2007, registered office in Livingston, NJ. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2007
- Admitted
- 19
- Years in bar
- 4496543
- NY reg #
The record in one line
Jeffrey Alan Mandelbaum has held an active New York bar license for 19 years - admitted in 2007, longer-tenured than 38% of the state's currently-active attorneys.
- 19 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #138 of 214
- by tenure in Livingston office peers
- Law school
- Harvard
Data updated August 2026
What this profile tells you
Bar status & tenure
Jeffrey Alan Mandelbaum carries New York bar registration 4496543, an established, active practitioner 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 Mandelbaum & Mandelbaum, located in Livingston, NJ, ZIP 07039. 2 other attorneys share this firm affiliation in the registry. Educational background: HARVARD (7,182 registered alumni).
State context & due diligence
With an established practice on record, Jeffrey Alan Mandelbaum remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Jeffrey Alan Mandelbaum was admitted in 2007, giving 19 years on the New York register.
19 years on the New York bar
Years since admission, all currently-active NY attorneys
19 Top 62% higher than 38% 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 Livingston, NJ office peers
Relative to the 214 NY-registered attorneys listing Livingston, NJ, Jeffrey Alan Mandelbaum is longer-tenured than 64% (local rank #138). See the Livingston attorney directory .
- Local rank
- #138
- City cohort
- 214
- Local percentile
- 64th
- Admitted
- 2007
Nearest tenure peers in Livingston
- Jennifer Marie Cabrera-Cammarota admitted 2007 · 19 yr
- Amanda Jane Fiverson admitted 2007 · 19 yr
- Rosanna Michelle Fox admitted 2007 · 19 yr
- Abbie Greenberger admitted 2007 · 19 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 Jeffrey compares to fellow Harvard alumni
Among the 3,045 Harvard graduates in the New York register, Jeffrey Alan Mandelbaum is longer-tenured than 6%.
19 years vs. Harvard alumni
Years since admission - 3,045 NY-registered alumni of this school
19 Top 94% higher than 6% of 3,045 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
Harvard's active-bar rate
Of Harvard's 7,182 alumni in the New York register, 50% currently hold "Currently registered" status, below the statewide average.
The 2007 admission class today
Of the 8,913 attorneys admitted to the New York bar in 2007, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4496543
- Year Admitted
- 2007 (19 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Aug 2027
Location & Contact
- Company
- Mandelbaum & Mandelbaum
- City
- Livingston, NJ
- ZIP Code
- 07039
- Phone
- (973) 325-0011
Education
Status Distribution Across the New York Bar
Jeffrey Alan Mandelbaum'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: Mandelbaum & Mandelbaum
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Near-tenure Harvard alumni
Fellow alumni on the NY register whose admission year is closest to 2007 (excluding same-firm colleagues above).
Same admission year (2007), other cities
NY-registered attorneys admitted in 2007 whose listed office city differs from Livingston, a vintage cohort, not a neighborhood list.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Livingston, NJ
Compare credentials side-by-side
Compare Jeffrey Alan Mandelbaum with similar attorneys in Livingston.
Compare attorneys →Before you rely on this record
Jeffrey Alan Mandelbaum'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 Jeffrey Mandelbaum licensed?
Jeffrey Mandelbaum is licensed to practice law in New York.
When was Jeffrey Alan Mandelbaum admitted to the bar?
Jeffrey Alan Mandelbaum was admitted to the bar in 2007.
Where did Jeffrey Alan Mandelbaum go to law school?
Jeffrey Alan Mandelbaum attended HARVARD.
What company does Jeffrey Alan Mandelbaum work for?
Jeffrey Alan Mandelbaum is associated with Mandelbaum & Mandelbaum in Livingston, NJ.
Is Jeffrey Alan Mandelbaum in good standing?
Yes, Jeffrey Alan Mandelbaum 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.