New York attorney record · Judicial Dept 1
Mark Tan Cornillez-Ty
University Of Southern California alumna, admitted to the New York bar in 2009, registered office in Los Angeles, CA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2009
- Admitted
- 17
- Years in bar
- 4751962
- NY reg #
The record in one line
Mark Tan Cornillez-Ty has held an active New York bar license for 17 years - admitted in 2009, longer-tenured than 38% of the state's currently-active attorneys.
- 17 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1421 of 2,872
- by tenure in Los Angeles office peers
- Law school
- University Of Southern California
Data updated August 2026
What this profile tells you
Bar status & tenure
Mark Tan Cornillez-Ty carries New York bar registration 4751962, 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 Cooley LLP, located in Los Angeles, CA, ZIP 90071. 5 other attorneys share this firm affiliation in the registry. Educational background: UNIVERSITY OF SOUTHERN CALIFORNIA (237 registered alumni).
State context & due diligence
With an established practice on record, Mark Tan Cornillez-Ty 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 Tan Cornillez-Ty was admitted in 2009, giving 17 years on the New York register.
17 years on the New York bar
Years since admission, all currently-active NY attorneys
17 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 Los Angeles, CA office peers
Mark Tan Cornillez-Ty's 17-year NY register tenure places mid-pack in Los Angeles, CA: rank #1,421 of 2,872 office peers (49th percentile). See the Los Angeles attorney directory .
- Local rank
- #1,421
- City cohort
- 2,872
- Local percentile
- 49th
- Admitted
- 2009
Nearest tenure peers in Los Angeles
- Judah Diodotus Aristrios V Antonin admitted 2009 · 17 yr
- Shelli Arbusman admitted 2009 · 17 yr
- Martin Frank Barna admitted 2009 · 17 yr
- Hassan Ali Bassiri admitted 2009 · 17 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 University Of Southern California alumni
Among the 213 University Of Southern California graduates in the New York register, Mark Tan Cornillez-Ty is longer-tenured than 38%.
17 years vs. University Of Southern California alumni
Years since admission - 213 NY-registered alumni of this school
17 Top 62% higher than 38% of 213 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
University Of Southern California's active-bar rate
Of University Of Southern California's 237 alumni in the New York register, 63.7% currently hold "Currently registered" status, below the statewide average.
The 2009 admission class today
Of the 10,203 attorneys admitted to the New York bar in 2009, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4751962
- Year Admitted
- 2009 (17 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Oct 2027
Location & Contact
- Company
- Cooley LLP
- City
- Los Angeles, CA
- ZIP Code
- 90071
- Phone
- (213) 698-6034
Education
Status Distribution Across the New York Bar
Mark Tan Cornillez-Ty'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: Cooley LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure University Of Southern California alumni
Fellow alumni on the NY register whose admission year is closest to 2009 (excluding same-firm colleagues above).
Same admission year (2009), other cities
NY-registered attorneys admitted in 2009 whose listed office city differs from Los Angeles, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark Tan Cornillez-Ty: closest NY bar admission year outside CA, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,873 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2009)
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 Los Angeles, CA
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Compare Mark Tan Cornillez-Ty with similar attorneys in Los Angeles.
Compare attorneys →Before you rely on this record
Mark Tan Cornillez-Ty'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 Cornillez-Ty licensed?
Mark Cornillez-Ty is licensed to practice law in New York.
When was Mark Tan Cornillez-Ty admitted to the bar?
Mark Tan Cornillez-Ty was admitted to the bar in 2009.
Where did Mark Tan Cornillez-Ty go to law school?
Mark Tan Cornillez-Ty attended UNIVERSITY OF SOUTHERN CALIFORNIA.
What company does Mark Tan Cornillez-Ty work for?
Mark Tan Cornillez-Ty is associated with Cooley LLP in Los Angeles, CA.
Is Mark Tan Cornillez-Ty in good standing?
Yes, Mark Tan Cornillez-Ty 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.