New York attorney record · Judicial Dept 1
James Duncan Marks
Columbia alumna, admitted to the New York bar in 1988, registered office in Ardmore, PA. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1988
- Admitted
- 38
- Years in bar
- 2175586
- NY reg #
The record in one line
With 38 years on the register since a 1988 admission, James Duncan Marks ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 38 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1 of 11
- by tenure in Ardmore office peers
- Law school
- Columbia
Data updated August 2026
What this profile tells you
Bar status & tenure
Registration 2175586 with the New York bar authority has long belonged to James Duncan Marks, a veteran practitioner still in active 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 Marks & Co., Inc., located in Ardmore, PA, ZIP 19003. Educational background: COLUMBIA (5,610 registered alumni).
State context & due diligence
After 38 years on the register, James Duncan Marks still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match James Duncan Marks's 38 years since admission in 1988.
38 years on the New York bar
Years since admission, all currently-active NY attorneys
38 Top 21% higher than 79% 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 Ardmore, PA office peers
Within Ardmore, PA's 11-attorney local set, James Duncan Marks is #1 by tenure, a small-cohort read, not a statewide claim. See the Ardmore attorney directory .
- Local rank
- #1
- City cohort
- 11
- Local percentile
- 0th
- Admitted
- 1988
Nearest tenure peers in Ardmore
- Catherine Anne Doherty admitted 1993 · 33 yr
- Michele S. Perlstein admitted 1993 · 33 yr
- John Kenneth Darden admitted 1995 · 31 yr
- Ma Svella Vanessa Genille Simpas admitted 1995 · 31 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 James compares to fellow Columbia alumni
Among the 2,448 Columbia graduates in the New York register, James Duncan Marks is longer-tenured than 91%.
38 years vs. Columbia alumni
Years since admission - 2,448 NY-registered alumni of this school
38 Top 9% higher than 91% of 2,448 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
Columbia's active-bar rate
Of Columbia's 5,610 alumni in the New York register, 48.8% currently hold "Currently registered" status, below the statewide average.
The 1988 admission class today
Of the 6,238 attorneys admitted to the New York bar in 1988, 56.7% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2175586
- Year Admitted
- 1988 (38 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Jun 2028
Location & Contact
- Company
- Marks & Co., Inc.
- City
- Ardmore, PA
- ZIP Code
- 19003
- Phone
- (610) 649-7704
Education
Status Distribution Across the New York Bar
James Duncan Marks'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 Columbia alumni
Fellow alumni on the NY register whose admission year is closest to 1988 (excluding same-firm colleagues above).
Same admission year (1988), other cities
NY-registered attorneys admitted in 1988 whose listed office city differs from Ardmore, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for James Duncan Marks: closest NY bar admission year outside PA, and closest out-of-state office cities by how many NY-registered attorneys they list (~12 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1988)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare attorneys →Before you rely on this record
James Duncan Marks'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 James Marks licensed?
James Marks is licensed to practice law in New York.
When was James Duncan Marks admitted to the bar?
James Duncan Marks's admission to the New York bar dates back to 1988.
Where did James Duncan Marks go to law school?
James Duncan Marks attended COLUMBIA.
What company does James Duncan Marks work for?
James Duncan Marks is associated with Marks & Co., Inc. in Ardmore, PA.
Is James Duncan Marks in good standing?
Yes, James Duncan Marks 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.