New York attorney record · Judicial Dept 1
Eric Mattison Rosenberg
Columbia University alumna, admitted to the New York bar in 1974, registered office in New Rochelle, NY. 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
- 1309673
- NY reg #
The record in one line
Eric Mattison Rosenberg 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"
- #34 of 312
- by tenure in New Rochelle office peers
- Law school
- Columbia University
Data updated August 2026
What this profile tells you
Bar status & tenure
Eric Mattison Rosenberg has carried New York bar registration 1309673 for the better part of a career, still active and 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 Litigation Proofing, LLC, located in New Rochelle, NY (Westchester County), ZIP 10805. Educational background: COLUMBIA UNIVERSITY (3,256 registered alumni).
State context & due diligence
Across a career spanning 52 years, Eric Mattison Rosenberg 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
Eric Mattison Rosenberg'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
Tenure among New Rochelle, NY office peers
Most of the 312 NY-registered attorneys in New Rochelle, NY outrank Eric Mattison Rosenberg on tenure; this record sits at the 11th local percentile (rank #34). See the New Rochelle attorney directory .
- Local rank
- #34
- City cohort
- 312
- Local percentile
- 11th
- Admitted
- 1974
Nearest tenure peers in New Rochelle
- Robert O. Corini admitted 1974 · 52 yr
- Charles Douglas Dixon admitted 1974 · 52 yr
- Barry Alan Mahler admitted 1974 · 52 yr
- Glenn James Caldwell admitted 1975 · 51 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 Eric compares to fellow Columbia University alumni
Among the 1,236 Columbia University graduates in the New York register, Eric Mattison Rosenberg is longer-tenured than 99%.
52 years vs. Columbia University alumni
Years since admission - 1,236 NY-registered alumni of this school
52 Top 1% higher than 99% of 1,236 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
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
- 1309673
- Year Admitted
- 1974 (52 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Nov 2026
Location & Contact
- Company
- Litigation Proofing, LLC
- City
- New Rochelle, NY
- County
- Westchester
- ZIP Code
- 10805
- Phone
- (914) 777-7321
Education
Status Distribution Across the New York Bar
Eric Mattison Rosenberg'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.
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Compare attorneys →Before you rely on this record
Eric Mattison Rosenberg'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 Eric Rosenberg licensed?
Eric Rosenberg is licensed to practice law in New York.
When was Eric Mattison Rosenberg admitted to the bar?
Eric Mattison Rosenberg's admission to the New York bar dates back to 1974.
Where did Eric Mattison Rosenberg go to law school?
Eric Mattison Rosenberg attended COLUMBIA UNIVERSITY.
What company does Eric Mattison Rosenberg work for?
Eric Mattison Rosenberg is associated with Litigation Proofing, LLC in New Rochelle, NY.
Is Eric Mattison Rosenberg in good standing?
Yes, Eric Mattison Rosenberg 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.