Matthew Ryan Sidler
On the New York attorney register since 2026 · office in Pasadena, CA
PlainAttorney’s reading of the public register file, not a court record.
- Registration No.
- 6308654
- Admitted
- 2026 · Third Department
- Status
- Currently registered
- Next registration
- Sep 2028
Matthew Ryan Sidler is currently registered on the New York attorney register file of Sep 29, 2026. Admitted in 2026 in the Third Department, with an office in Pasadena, CA; next registration due Sep 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 Ryan Sidler has filed the biennial registration the court system requires; the next one is due in Sep 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.
Where this record sits on the register
Matthew Ryan Sidler studied at Harvard Law School. 2,092 of its 14,378 living graduates on the register were admitted in the 2020s, as Matthew Ryan Sidler was.
- Same law school
- 14,378living graduates; 86.1% registered (current or due), against 87.1% overall
- Office in Pasadena, CA
- 124living registrants (outside New York State)
Of the 124 living registrants with an office in Pasadena, CA, 120 were admitted before 2026 and 0 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
- Harvard Law School graduates on the register14,378 living, 86.1% registered.
- New York-admitted attorneys in Pasadena, CA124 living registrants give an office there.
- Admitted in 20266,220 people admitted in 2026 are on the register, 3,119 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 Ryan Sidler’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 Ryan Sidler in 2026. 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).