New York attorney record · Judicial Dept 1
Mark Allen Koehn
Stanford alumna, admitted to the New York bar in 1991, registered office in Rapid City, SD. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1991
- Admitted
- 35
- Years in bar
- 2416709
- NY reg #
The record in one line
Mark Allen Koehn carries a "Suspended, delinquent" status on the New York bar register, on record since 1991 - confirm the exact standing and any discipline history directly with the state bar before engaging.
- 35 yrs
- since first admission to the bar
- Suspended
- current bar status: "Suspended, delinquent"
- Law school
- Stanford
Data updated September 2026
What this profile tells you
Bar status & tenure
Mark Allen Koehn is registered as bar number 2416709 with the New York bar authority, carrying a current status of "Suspended, delinquent", suspended or delinquent, verify terms with the bar before engaging. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Western Dakota Technical Institute, located in Rapid City, SD, ZIP 57701. Educational background: STANFORD (597 registered alumni).
State context & due diligence
A "Suspended, delinquent" status falls outside the New York bar's active cohort. The breakdown below shows what share of the register that represents, and how to verify current standing directly with the state bar.
How Mark compares to fellow Stanford alumni
Among the 404 Stanford graduates in the New York register, Mark Allen Koehn is longer-tenured than 87%.
35 years vs. Stanford alumni
Years since admission - 404 NY-registered alumni of this school
35 Top 13% higher than 87% of 404 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
Stanford's active-bar rate
Of Stanford's 597 alumni in the New York register, 61.8% currently hold "Currently registered" status, below the statewide average.
The 1991 admission class today
Of the 6,456 attorneys admitted to the New York bar in 1991, 75.3% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Suspended, delinquent
- Registration Number
- 2416709
- Year Admitted
- 1991 (35 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Jan 2027
Location & Contact
- Company
- Western Dakota Technical Institute
- City
- Rapid City, SD
- ZIP Code
- 57701
- Phone
- (605) 394-4034
Education
Status Distribution Across the New York Bar
Mark Allen Koehn's current status, "Suspended, delinquent", places this record outside 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 Stanford alumni
Fellow alumni on the NY register whose admission year is closest to 1991 (excluding same-firm colleagues above).
Same admission year (1991), other cities
NY-registered attorneys admitted in 1991 whose listed office city differs from Rapid City, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Out-of-state NY bar peers for Mark Allen Koehn with the closest admission year to 1991. Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Rapid City, SD
Compare credentials side-by-side
Compare Mark Allen Koehn with similar attorneys in Rapid City.
Compare attorneys →Before you rely on this record
Mark Allen Koehn carries a "Suspended, delinquent" status. Verify the exact scope and dates of this action directly with the state bar before acting on it.
Frequently Asked Questions
Where is Mark Koehn licensed?
Mark Koehn is licensed to practice law in New York.
When was Mark Allen Koehn admitted to the bar?
Mark Allen Koehn's admission to the New York bar dates back to 1991.
Where did Mark Allen Koehn go to law school?
Mark Allen Koehn attended STANFORD.
What company does Mark Allen Koehn work for?
Mark Allen Koehn is associated with Western Dakota Technical Institute in Rapid City, SD.
Is Mark Allen Koehn in good standing?
No, Mark Allen Koehn carries a "Suspended, delinquent" status, not active standing. Confirm the exact scope directly with the state bar before engaging.
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.