New York attorney record · Judicial Dept 1
Mark Errett Thompson
Harvard alumna, admitted to the New York bar in 2003. Status, address, and registration history come straight from the NY Office of Court Administration registry.
- 2003
- Admitted
- 23
- Years in bar
- 4124996
- NY reg #
The record in one line
Mark Errett Thompson has held an active New York bar license for 23 years - admitted in 2003, longer-tenured than 51% of the state's currently-active attorneys.
- 23 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 49%
- by tenure among active NY attorneys
- Law school
- Harvard
What this profile tells you
Bar status & tenure
Mark Errett Thompson is registered as bar number 4124996 with the New York bar authority, carrying a current status of "Currently registered", authorized to practice and in 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 Covington & Burling LLP, located in London Ec2n 4bq. 5 other attorneys share this firm affiliation in the registry. Educational background: HARVARD.
State context & due diligence
Mark Errett Thompson sits within the New York bar's active cohort, see the full statewide status breakdown below for how that cohort compares to the rest of the register.
Experience vs. the active New York bar
Mark Errett Thompson was admitted in 2003, giving 23 years on the New York register. The histogram places that tenure against every currently-active attorney in the state, taller bars hold more attorneys at that experience level.
23 years on the New York bar
Years since admission, all currently-active NY attorneys
23 Top 49% higher than 51% 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 Harvard alumni
Among the 3,070 Harvard graduates in the New York register, Mark Errett Thompson is longer-tenured than 16% - a school-cohort view of experience, alongside the statewide one above.
23 years vs. Harvard alumni
Years since admission - 3,070 NY-registered alumni of this school
23 Top 84% higher than 16% of 3,070 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
The 2003 admission class today
Of the 8,250 attorneys admitted to the New York bar in 2003, 81% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4124996
- Year Admitted
- 2003 (23 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Sep 2027
Location & Contact
- Company
- Covington & Burling LLP
- City
- London Ec2n 4bq
- Phone
- +447739098074
Education
HARVARD
Status Distribution Across the New York Bar
Bar status reference for the 429,620 attorneys registered in this jurisdiction. Mark Errett Thompson's current status is "Currently registered".
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.
Other Attorneys at Covington & Burling LLP
Verify This Attorney
Verify on NY Courts Attorney SearchBefore you rely on this record
Mark Errett Thompson'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 Thompson licensed?
Mark Thompson is licensed to practice law in New York.
When was Mark Errett Thompson admitted to the bar?
Mark Errett Thompson was admitted to the bar in 2003.
Where did Mark Errett Thompson go to law school?
Mark Errett Thompson attended HARVARD.
What company does Mark Errett Thompson work for?
Mark Errett Thompson is associated with Covington & Burling LLP in London Ec2n 4bq.
Is Mark Errett Thompson in good standing?
Yes, Mark Errett Thompson 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.