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

Mark Sandag

On the New York attorney register since 1999 · office in Hackensack, NJ

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

Registration No.
2977601
Admitted
1999 · Third Department
Status
Suspended, delinquent
Next registration
Nov 2027

Mark Sandag is suspended, delinquent on the New York attorney register file of Sep 29, 2026. Admitted in 1999 in the Third Department, with an office in Hackensack, NJ; next registration due Nov 2027. The status is the same in all 3 files we hold.

What this status means on the register

On the register, “Suspended, delinquent” means the attorney is recorded as suspended from practice, with the registration also delinquent. The register does not give the reason or date of a suspension; the Appellate Division’s order does.

  1. Suspended, delinquent unchanged
  2. Suspended, delinquent unchanged
  3. Suspended, delinquent 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

6 other attorneys list Tesser & Cohen or one of its other names as their employer on the register; 2 of them were admitted before 1999, and all 7 give an office in Hackensack, NJ. The 5 whose admission is closest to 1999, earliest first:

AttorneyAdmittedStatus
Steven Cohen1988Currently registered
Francis Alan Kirk1993Currently registered
Stephen Paul Winkles2001Currently registered
Matthew David Lakind2007Currently registered
Danielle Elizabeth Cohen2012Currently registered

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

Mark Sandag studied at St. John’s University School of Law (the register spells it “ST JOHNS UNIV”). 3,260 of its 15,595 living graduates on the register were admitted in the 1990s, as Mark Sandag was.

Same law school
15,595living graduates; 88.6% registered (current or due), against 87.1% overall
Office in Hackensack, NJ
684living registrants (outside New York State)

Of the 684 living registrants with an office in Hackensack, NJ, 260 were admitted before 1999 and 406 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. St. John’s University School of Law graduates on the register15,595 living, 88.6% registered.
  2. New York-admitted attorneys in Hackensack, NJ684 living registrants give an office there.
  3. Admitted in 19997,628 people admitted in 1999 are on the register, 2,063 of them through the Third Department.
  4. Every registration that reads “Suspended, delinquent”20,229 on the register file of Sep 29, 2026, by decade of admission.
  5. How to complain about a New York lawyerThe grievance committee for each county, and what it can do.

How to confirm it officially

For a statement of Mark Sandag’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 Mark Sandag in 1999. 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).

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