New York attorney record · Judicial Dept 3
Mark Richard Kossow
Albany alumna, admitted to the New York bar in 1997, registered office in Princeton, NJ. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1997
- Admitted
- 29
- Years in bar
- 2792877
- NY reg #
The record in one line
With 29 years on the register since a 1997 admission, Mark Richard Kossow ranks among the New York bar's most senior active practitioners, longer-tenured than 62% of the currently-active bar.
- 29 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #186 of 640
- by tenure in Princeton office peers
- Law school
- Albany
Data updated September 2026
What this profile tells you
Bar status & tenure
Registration 2792877 with the New York bar authority has long belonged to Mark Richard Kossow, a veteran practitioner still in active 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 Clark Hill Plc, located in Princeton, NJ, ZIP 08540. 5 other attorneys share this firm affiliation in the registry. Educational background: ALBANY.
State context & due diligence
After 29 years on the register, Mark Richard Kossow 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 Mark Richard Kossow's 29 years since admission in 1997.
29 years on the New York bar
Years since admission, all currently-active NY attorneys
29 Top 38% higher than 62% 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 · September 2026
Tenure among Princeton, NJ office peers
Most of the 640 NY-registered attorneys in Princeton, NJ outrank Mark Richard Kossow on tenure; this record sits at the 29th local percentile (rank #186). See the Princeton attorney directory .
- Local rank
- #186
- City cohort
- 640
- Local percentile
- 29th
- Admitted
- 1997
Nearest tenure peers in Princeton
- Michael Aronow admitted 1997 · 29 yr
- Benjamin Conrad Bair admitted 1997 · 29 yr
- Joachim Manfred Boekelmann admitted 1997 · 29 yr
- Peter Bon Viso admitted 1997 · 29 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 September 2026. Derived local rank, not published upstream.
How Mark compares to fellow Albany alumni
Among the 1,206 Albany graduates in the New York register, Mark Richard Kossow is longer-tenured than 23%.
29 years vs. Albany alumni
Years since admission - 1,206 NY-registered alumni of this school
29 Top 77% higher than 23% of 1,206 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 · September 2026
The 1997 admission class today
Of the 7,065 attorneys admitted to the New York bar in 1997, 81% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2792877
- Year Admitted
- 1997 (29 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Mar 2027
Location & Contact
- Company
- Clark Hill Plc
- City
- Princeton, NJ
- ZIP Code
- 08540
- Phone
- (609) 785-2916
Education
ALBANY
Status Distribution Across the New York Bar
Mark Richard Kossow'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: Clark Hill Plc
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Albany alumni
Fellow alumni on the NY register whose admission year is closest to 1997 (excluding same-firm colleagues above).
Same admission year (1997), other cities
NY-registered attorneys admitted in 1997 whose listed office city differs from Princeton, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark Richard Kossow: closest NY bar admission year outside NJ, and closest out-of-state office cities by how many NY-registered attorneys they list (~641 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1997)
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
Mark Richard Kossow'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 Mark Kossow licensed?
Mark Kossow is licensed to practice law in New York.
When was Mark Richard Kossow admitted to the bar?
Mark Richard Kossow's admission to the New York bar dates back to 1997.
Where did Mark Richard Kossow go to law school?
Mark Richard Kossow attended ALBANY.
What company does Mark Richard Kossow work for?
Mark Richard Kossow is associated with Clark Hill Plc in Princeton, NJ.
Is Mark Richard Kossow in good standing?
Yes, Mark Richard Kossow 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.