New York attorney record · Judicial Dept 2
Jan Arthur Marcus
New York Law School alumna, admitted to the New York bar in 1980, registered office in Rye Brook, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1980
- Admitted
- 46
- Years in bar
- 1696814
- NY reg #
The record in one line
Jan Arthur Marcus has spent 46 years on the register since admission in 1980, one of the longest-standing active practitioners the state bar carries at 92% tenure percentile.
- 46 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #35 of 219
- by tenure in Rye Brook office peers
- Law school
- New York Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Jan Arthur Marcus has carried New York bar registration 1696814 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under The Deiorio Law Group, PLLC, located in Rye Brook, NY (Westchester County), ZIP 10573. 1 other attorney shares this firm affiliation in the registry. Educational background: New York Law School (15,128 registered alumni).
State context & due diligence
Across a career spanning 46 years, Jan Arthur Marcus 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
Jan Arthur Marcus's 46 years since a 1980 admission places this record near the far edge of the statewide tenure curve below.
46 years on the New York bar
Years since admission, all currently-active NY attorneys
46 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 · August 2026
Tenure among Rye Brook, NY office peers
Most of the 219 NY-registered attorneys in Rye Brook, NY outrank Jan Arthur Marcus on tenure; this record sits at the 16th local percentile (rank #35). See the Rye Brook attorney directory .
- Local rank
- #35
- City cohort
- 219
- Local percentile
- 16th
- Admitted
- 1980
Nearest tenure peers in Rye Brook
- Robert Douglas Abrams admitted 1980 · 46 yr
- Jeffrey A. Klafter admitted 1980 · 46 yr
- Richard Mark Goldberg admitted 1979 · 47 yr
- Norman Bruce Naishtut admitted 1981 · 45 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 Jan compares to fellow New York Law School alumni
Among the 8,212 New York Law School graduates in the New York register, Jan Arthur Marcus is longer-tenured than 99%.
46 years vs. New York Law School alumni
Years since admission - 8,212 NY-registered alumni of this school
46 Top 1% higher than 99% of 8,212 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 York Law School's active-bar rate
Of New York Law School's 15,128 alumni in the New York register, 71% currently hold "Currently registered" status, above the statewide average.
New York Law School alumni, active-bar rate
The 1980 admission class today
Of the 4,659 attorneys admitted to the New York bar in 1980, 52% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1696814
- Year Admitted
- 1980 (46 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Feb 2028
Location & Contact
- Company
- The Deiorio Law Group, PLLC
- City
- Rye Brook, NY
- County
- Westchester
- ZIP Code
- 10573
- Phone
- (914) 696-5555
Education
Status Distribution Across the New York Bar
Jan Arthur Marcus'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: The Deiorio Law Group, PLLC
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 New York Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1980 (excluding same-firm colleagues above).
Same admission year (1980), other cities
NY-registered attorneys admitted in 1980 whose listed office city differs from Rye Brook, a vintage cohort, not a neighborhood list.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Rye Brook, NY
Compare credentials side-by-side
Compare Jan Arthur Marcus with similar attorneys in Rye Brook.
Compare attorneys →Before you rely on this record
Jan Arthur Marcus'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 Jan Marcus licensed?
Jan Marcus is licensed to practice law in New York.
When was Jan Arthur Marcus admitted to the bar?
Jan Arthur Marcus's admission to the New York bar dates back to 1980.
Where did Jan Arthur Marcus go to law school?
Jan Arthur Marcus attended New York Law School.
What company does Jan Arthur Marcus work for?
Jan Arthur Marcus is associated with The Deiorio Law Group, PLLC in Rye Brook, NY.
Is Jan Arthur Marcus in good standing?
Yes, Jan Arthur Marcus 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.