Matthew Olivier Hart
On the New York attorney register since 2010 · office in Houston, TX
PlainAttorney’s reading of the public register file, not a court record.
- Registration No.
- 4804845
- Admitted
- 2010 · Third Department
- Status
- Currently registered
- Next registration
- Feb 2028
Matthew Olivier Hart is currently registered on the New York attorney register file of Sep 29, 2026. Admitted in 2010 in the Third Department, with an office in Houston, TX; next registration due Feb 2028. The status is the same in all 3 files we hold.
What this status means on the register
On the register, “Currently registered” means Matthew Olivier Hart has filed the biennial registration the court system requires; the next one is due in Feb 2028.
- Currently registered unchanged
- Currently registered unchanged
- Currently registered the first file we hold
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; the Jul 3, 2026 and Aug 6, 2026 files for the history.
Others who list this employer on the register
1,307 other attorneys list Simpson Thacher & Bartlett LLP or one of its other names as their employer on the register; 340 of them were admitted before 2010, and 21 of the 1,308 give an office in Houston, TX. The 5 whose admission is closest to 2010, earliest first:
| Attorney | Admitted | Status |
|---|---|---|
| Nathan Douglas Briggs | 2010 | Currently registered |
| Justin Lawrence Browder | 2010 | Currently registered |
| Yoo Sun Cheong | 2010 | Currently registered |
| Kris David Desrosiers | 2010 | Currently registered |
| Joshua Saul Friedman | 2010 | Currently registered |
All 1,308 registrations that list Simpson Thacher & Bartlett LLP
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; employer spellings merged (methodology).
Where this record sits on the register
Matthew Olivier Hart studied at University of Pennsylvania Carey Law School (the register spells it “UNIVERSITY OF PENNSYLVANIA”). 1,924 of its 6,843 living graduates on the register were admitted in the 2010s, as Matthew Olivier Hart was.
- Same law school
- 6,843living graduates; 88.7% registered (current or due), against 87.1% overall
- Office in Houston, TX
- 1,463living registrants (outside New York State)
Of the 1,463 living registrants with an office in Houston, TX, 703 were admitted before 2010 and 684 after.
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; living registrants only.
Questions this record leads to
- Everyone who lists Simpson Thacher & Bartlett LLP1,308 on the register, 340 of the others admitted before 2010; 21 of the 1,308 give an office in Houston, TX.
- University of Pennsylvania Carey Law School graduates on the register6,843 living, 88.7% registered; 66 of them list Simpson Thacher & Bartlett LLP.
- New York-admitted attorneys in Houston, TX1,463 living registrants give an office there.
- Admitted in 201010,128 people admitted in 2010 are on the register, 3,925 of them through the Third Department.
- Every registration that reads “Currently registered”286,911 on the register file of Sep 29, 2026, by decade of admission.
- What a New York lawyer may chargeThe court rules on fees, retainers and fee disputes, each cited.
How to confirm it officially
For a statement of Matthew Olivier Hart’s standing, contact the Attorney Registration Unit of the NY Office of Court Administration (nycourts.gov/attorneys), or ask the Appellate Division, Third Department, which admitted Matthew Olivier Hart in 2010. The register places the office outside New York, so a complaint would go to that department’s grievance committee (22 NYCRR 1240.7(a)(2)).
This page reads the register file of Sep 29, 2026, and the court system’s own search can be newer; the register shows only the current value, so a suspension that ended before the files we hold, or a censure, leaves no trace here (Appellate Division decisions are published through the court system’s Law Reporting Bureau).