New York attorney record · Judicial Dept 4

Mark Francis Sullivan

University Of Michigan Law School alumna, admitted to the New York bar in 1973, registered office in Westlake Village, CA. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.

1973
Admitted
53
Years in bar
1815505
NY reg #

The record in one line

Mark Francis Sullivan appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 1973 - an administrative designation rather than discipline, but confirm current standing with the state bar.

53 yrs
since first admission to the bar
Pending-renewal
current bar status: "Due to reregister within 30 days of birthday"
#2 of 35
by tenure in Westlake Village office peers
Law school
University Of Michigan Law School

Data updated September 2026

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Bar status
Due to reregister within 30 days of birthday
pending-renewal
Year admitted
1973
53 years
Law school
University Of Michigan Law School
83.4% active rate
Registration
1815505
NY registration #

What this profile tells you

Bar status & tenure

Mark Francis Sullivan is registered as bar number 1815505 with the New York bar authority, carrying a current status of "Due to reregister within 30 days of birthday", a routine periodic-renewal reminder, not discipline. Registration is recorded within Judicial Department 4, the appellate division overseeing this attorney's home district.

Practice context & education

Practice address is listed under Law Office Of Mark F Sullivan, located in Westlake Village, CA, ZIP 91361. Educational background: University of Michigan Law School (2,350 registered alumni).

State context & due diligence

A "Due to reregister within 30 days of birthday" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.

Tenure among Westlake Village, CA office peers

Within Westlake Village, CA's 35-attorney local set, Mark Francis Sullivan is #2 by tenure, a small-cohort read, not a statewide claim. See the Westlake Village attorney directory .

Local rank
#2
City cohort
35
Local percentile
3rd
Admitted
1973

Nearest tenure peers in Westlake Village

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 September 2026. Derived local rank, not published upstream.

How Mark compares to fellow University Of Michigan Law School alumni

Among the 2,060 University Of Michigan Law School graduates in the New York register, Mark Francis Sullivan is longer-tenured than 99%.

53 years vs. University Of Michigan Law School alumni

Years since admission - 2,060 NY-registered alumni of this school

53 Top 1% higher than 99% of 2,060 fellow alumni

This attorney 0 30 every registered alum of this school, bucketed by value

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

University Of Michigan Law School's active-bar rate

Of University Of Michigan Law School's 2,350 alumni in the New York register, 83.4% currently hold "Currently registered" status, above the statewide average.

0%100%New York avg67%83.4%
University Of Michigan Law School alumni, active-bar rate

The 1973 admission class today

Of the 2,460 attorneys admitted to the New York bar in 1973, 42% are still "Currently registered" today, below the statewide average across all admission years.

30%40%50%60%70% Statewide, all years1973 class 67.2% 42% ▼ -37.5%
Bar retention: statewide average vs. the 1973 admission class

Professional Details

Status
Due to reregister within 30 days of birthday
Registration Number
1815505
Year Admitted
1973 (53 yrs · veteran)
Judicial Department
4
Next Registration
May 2026

Location & Contact

Company
Law Office Of Mark F Sullivan
ZIP Code
91361
Phone
(805) 277-7224

Status Distribution Across the New York Bar

Mark Francis Sullivan's current status, "Due to reregister within 30 days of birthday", places this record outside the 67.2% of the 432,625-attorney New York register currently marked active.

Full statewide breakdown & source note
Cohort Attorneys Share Relevance
Active in good standing 290,787
67.2%
This attorney is outside this cohort
Other / inactive / discipline 141,838
32.8%
Verify status before engaging
Total registered 432,625 100.0% Full New York bar register

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.

Nationwide attorneys with similar admission year or city registry density

Two non-geo peer axes for Mark Francis Sullivan: closest NY bar admission year outside CA, and closest out-of-state office cities by how many NY-registered attorneys they list (~36 here). 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.

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Before you rely on this record

Mark Francis Sullivan is currently listed as "Due to reregister within 30 days of birthday", treat that as a registration fact to confirm, not a verdict on quality.

Frequently Asked Questions

Where is Mark Sullivan licensed?

Mark Sullivan is licensed to practice law in New York.

When was Mark Francis Sullivan admitted to the bar?

Mark Francis Sullivan's admission to the New York bar dates back to 1973.

Where did Mark Francis Sullivan go to law school?

Mark Francis Sullivan attended University of Michigan Law School.

What company does Mark Francis Sullivan work for?

Mark Francis Sullivan is associated with Law Office Of Mark F Sullivan in Westlake Village, CA.

Is Mark Francis Sullivan in good standing?

Not currently, Mark Francis Sullivan's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.

Cite this page & disclosure

Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.