New York attorney record · Judicial Dept 3
Mark Chaney Coulson
Vanderbilt University alumna, admitted to the New York bar in 2013, registered office in Pittsburgh, PA. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2013
- Admitted
- 13
- Years in bar
- 5178793
- NY reg #
The record in one line
Admitted in 2013, Mark Chaney Coulson has built 13 years of active New York practice - more tenure than 24% of the state's currently-active attorneys.
- 13 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 76%
- by tenure among active NY attorneys
- Law school
- Vanderbilt University
Data updated May 2026
What this profile tells you
Bar status & tenure
Bar number 5178793 on the New York register belongs to Mark Chaney Coulson, currently in active 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 Williams Coulson LLC, located in Pittsburgh, PA, ZIP 15222. Educational background: VANDERBILT UNIVERSITY (345 registered alumni).
State context & due diligence
Mark Chaney Coulson is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
13 years into an active New York practice since a 2013 admission, Mark Chaney Coulson sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
13 years on the New York bar
Years since admission, all currently-active NY attorneys
13 Top 76% higher than 24% of 284,296 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 · May 2026
How Mark compares to fellow Vanderbilt University alumni
Among the 211 Vanderbilt University graduates in the New York register, Mark Chaney Coulson is longer-tenured than 4% - a school-cohort view of experience, alongside the statewide one above.
13 years vs. Vanderbilt University alumni
Years since admission - 211 NY-registered alumni of this school
13 Top 96% higher than 4% of 211 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 · May 2026
Vanderbilt University's active-bar rate
Of Vanderbilt University's 345 alumni in the New York register, 67% currently hold "Currently registered" status, above the statewide average.
Vanderbilt University alumni, active-bar rate
The 2013 admission class today
Of the 10,251 attorneys admitted to the New York bar in 2013, 87.8% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5178793
- Year Admitted
- 2013 (13 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Sep 2027
Location & Contact
- Company
- Williams Coulson LLC
- City
- Pittsburgh, PA
- ZIP Code
- 15222
- Phone
- (412) 454-0200
Education
Status Distribution Across the New York Bar
Mark Chaney Coulson's current status, "Currently registered", places this attorney in the 66.2% of the 429,620-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.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Pittsburgh, PA
Compare credentials side-by-side
Compare Mark Chaney Coulson with similar attorneys in Pittsburgh.
Compare attorneys →Before you rely on this record
Mark Chaney Coulson'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 Coulson licensed?
Mark Coulson is licensed to practice law in New York.
When was Mark Chaney Coulson admitted to the bar?
Mark Chaney Coulson has been on the New York bar register since 2013.
Where did Mark Chaney Coulson go to law school?
Mark Chaney Coulson attended VANDERBILT UNIVERSITY.
What company does Mark Chaney Coulson work for?
Mark Chaney Coulson is associated with Williams Coulson LLC in Pittsburgh, PA.
Is Mark Chaney Coulson in good standing?
Yes, Mark Chaney Coulson holds active bar status ("Currently registered").
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.