New York attorney record · Judicial Dept 2
Mary Ellen O'Sullivan
Thomas Cooley Law School alumna, admitted to the New York bar in 2009, registered office in Memphis, TN. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2009
- Admitted
- 17
- Years in bar
- 4639910
- NY reg #
The record in one line
Mary Ellen O'Sullivan has held an active New York bar license for 17 years - admitted in 2009, longer-tenured than 37% of the state's currently-active attorneys.
- 17 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 63%
- by tenure among active NY attorneys
- Law school
- Thomas Cooley Law School
Data updated May 2026
What this profile tells you
Bar status & tenure
Mary Ellen O'Sullivan carries New York bar registration 4639910, an established, active practitioner in good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Sedgwick Claims Management Services Inc., located in Memphis, TN, ZIP 38125. Educational background: THOMAS COOLEY LAW SCHOOL (31 registered alumni).
State context & due diligence
With an established practice on record, Mary Ellen O'Sullivan remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Mary Ellen O'Sullivan was admitted in 2009, giving 17 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.
17 years on the New York bar
Years since admission, all currently-active NY attorneys
17 Top 63% higher than 37% 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
Thomas Cooley Law School's active-bar rate
Of Thomas Cooley Law School's 31 alumni in the New York register, 77.4% currently hold "Currently registered" status, above the statewide average.
Thomas Cooley Law School alumni, active-bar rate
The 2009 admission class today
Of the 10,203 attorneys admitted to the New York bar in 2009, 84.8% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4639910
- Year Admitted
- 2009 (17 yrs · senior)
- Judicial Department
- 2
- Next Registration
- Jun 2027
Location & Contact
- Company
- Sedgwick Claims Management Services Inc.
- City
- Memphis, TN
- ZIP Code
- 38125
- Phone
- (866) 686-0406
Education
Status Distribution Across the New York Bar
Mary Ellen O'Sullivan'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.
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Compare attorneys →Before you rely on this record
Mary Ellen O'Sullivan'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 Mary O'Sullivan licensed?
Mary O'Sullivan is licensed to practice law in New York.
When was Mary Ellen O'Sullivan admitted to the bar?
Mary Ellen O'Sullivan was admitted to the bar in 2009.
Where did Mary Ellen O'Sullivan go to law school?
Mary Ellen O'Sullivan attended THOMAS COOLEY LAW SCHOOL.
What company does Mary Ellen O'Sullivan work for?
Mary Ellen O'Sullivan is associated with Sedgwick Claims Management Services Inc. in Memphis, TN.
Is Mary Ellen O'Sullivan in good standing?
Yes, Mary Ellen O'Sullivan 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.