New York attorney record · Judicial Dept 1
Mark Allan Sweeney
Washington And Lee University School Of Law alumna, admitted to the New York bar in 2010, registered office in Chicago, IL. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2010
- Admitted
- 16
- Years in bar
- 4816104
- NY reg #
The record in one line
Mark Allan Sweeney has held an active New York bar license for 16 years - admitted in 2010, longer-tenured than 38% of the state's currently-active attorneys.
- 16 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1021 of 2,245
- by tenure in Chicago office peers
- Law school
- Washington And Lee University School Of Law
Data updated August 2026
What this profile tells you
Bar status & tenure
Mark Allan Sweeney carries New York bar registration 4816104, an established, active practitioner 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 Hyatt Hotels Corporation, located in Chicago, IL, ZIP 60606. 1 other attorney shares this firm affiliation in the registry. Educational background: Washington and Lee University School of Law (358 registered alumni).
State context & due diligence
With an established practice on record, Mark Allan Sweeney 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
Mark Allan Sweeney was admitted in 2010, giving 16 years on the New York register.
16 years on the New York bar
Years since admission, all currently-active NY attorneys
16 Top 62% higher than 38% 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 · August 2026
Tenure among Chicago, IL office peers
Mark Allan Sweeney's 16-year NY register tenure places mid-pack in Chicago, IL: rank #1,021 of 2,245 office peers (45th percentile). See the Chicago attorney directory .
- Local rank
- #1,021
- City cohort
- 2,245
- Local percentile
- 45th
- Admitted
- 2010
Nearest tenure peers in Chicago
- Rouzbeh Alipour admitted 2010 · 16 yr
- Roosevelt Allen Iii admitted 2010 · 16 yr
- Ali Ryan Amin admitted 2010 · 16 yr
- Ashley Beth Antler admitted 2010 · 16 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 August 2026. Derived local rank, not published upstream.
How Mark compares to fellow Washington And Lee University School Of Law alumni
Among the 309 Washington And Lee University School Of Law graduates in the New York register, Mark Allan Sweeney is longer-tenured than 78%.
16 years vs. Washington And Lee University School Of Law alumni
Years since admission - 309 NY-registered alumni of this school
16 Top 22% higher than 78% of 309 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 · August 2026
Washington And Lee University School Of Law's active-bar rate
Of Washington And Lee University School Of Law's 358 alumni in the New York register, 85.8% currently hold "Currently registered" status, above the statewide average.
The 2010 admission class today
Of the 10,128 attorneys admitted to the New York bar in 2010, 69.6% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4816104
- Year Admitted
- 2010 (16 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Aug 2028
Location & Contact
- Company
- Hyatt Hotels Corporation
- City
- Chicago, IL
- ZIP Code
- 60606
- Phone
- (312) 780-2928
Status Distribution Across the New York Bar
Mark Allan Sweeney'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: Hyatt Hotels Corporation
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Near-tenure Washington And Lee University School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 2010 (excluding same-firm colleagues above).
Same admission year (2010), other cities
NY-registered attorneys admitted in 2010 whose listed office city differs from Chicago, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark Allan Sweeney: closest NY bar admission year outside IL, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,246 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2010)
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 Chicago, IL
Compare credentials side-by-side
Compare Mark Allan Sweeney with similar attorneys in Chicago.
Compare attorneys →Before you rely on this record
Mark Allan Sweeney'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 Sweeney licensed?
Mark Sweeney is licensed to practice law in New York.
When was Mark Allan Sweeney admitted to the bar?
Mark Allan Sweeney was admitted to the bar in 2010.
Where did Mark Allan Sweeney go to law school?
Mark Allan Sweeney attended Washington and Lee University School of Law.
What company does Mark Allan Sweeney work for?
Mark Allan Sweeney is associated with Hyatt Hotels Corporation in Chicago, IL.
Is Mark Allan Sweeney in good standing?
Yes, Mark Allan Sweeney 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.