PlainAttorney Register file of Sep 29, 2026 · NY Office of Court Administration, via data.ny.gov

Anthony Frank Sirianni Jr.

On the New York attorney register since 2023 · office in Florham Park, NJ

PlainAttorney’s reading of the public register file, not a court record.

Registration No.
6081871
Admitted
2023 · Third Department
Status
Currently registered
Next registration
Oct 2027

Anthony Frank Sirianni Jr. is currently registered on the New York attorney register file of Sep 29, 2026. Admitted in 2023 in the Third Department, with an office in Florham Park, NJ; next registration due Oct 2027. The status is the same in all 3 files we hold.

What this status means on the register

On the register, “Currently registered” means Anthony Frank Sirianni Jr. has filed the biennial registration the court system requires; the next one is due in Oct 2027.

  1. Currently registered unchanged
  2. Currently registered unchanged
  3. 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

143 other attorneys list Windels Marx Lane & Mittendorf, LLP or one of its other names as their employer on the register; 132 of them were admitted before 2023, and 5 of the 144 give an office in Florham Park, NJ. The 5 whose admission is closest to 2023, earliest first:

AttorneyAdmittedStatus
Juan Pablo Chavez Vasin2023Currently registered
Shanni Cara Lynch2023Currently registered
Kishan Jayesh Patel2023Currently registered
Jason Steven Siev2023Currently registered
Sabrina Das2024Due to re‑register

All 144 registrations that list Windels Marx Lane & Mittendorf, 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

Anthony Frank Sirianni Jr. studied at Rutgers Law School. 934 of its 7,506 living graduates on the register were admitted in the 2020s, as Anthony Frank Sirianni Jr. was.

Same law school
7,506living graduates; 84.1% registered (current or due), against 87.1% overall
Office in Florham Park, NJ
432living registrants (outside New York State)

Of the 432 living registrants with an office in Florham Park, NJ, 402 were admitted before 2023 and 23 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

  1. Everyone who lists Windels Marx Lane & Mittendorf, LLP144 on the register, 132 of the others admitted before 2023; 5 of the 144 give an office in Florham Park, NJ.
  2. Rutgers Law School graduates on the register7,506 living, 84.1% registered.
  3. New York-admitted attorneys in Florham Park, NJ432 living registrants give an office there.
  4. Admitted in 20238,985 people admitted in 2023 are on the register, 3,260 of them through the Third Department.
  5. Every registration that reads “Currently registered”286,911 on the register file of Sep 29, 2026, by decade of admission.
  6. 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 Anthony Frank Sirianni Jr.’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 Anthony Frank Sirianni Jr. in 2023. 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).

How to check a lawyer, step by step