Karen I. Flanzenbaum
On the New York attorney register since 1994 · office in Syosset, NY
PlainAttorney’s reading of the public register file, not a court record.
- Registration No.
- 2739191
- Admitted
- 1994 · Second Department
- Status
- Currently registered
- Next registration
- Jan 2028
Karen I. Flanzenbaum is currently registered on the New York attorney register file of Sep 29, 2026. Admitted in 1994 in the Second Department, with an office in Syosset, NY; next registration due Jan 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 Karen I. Flanzenbaum has filed the biennial registration the court system requires; the next one is due in Jan 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
14 other attorneys list Bfsng Law Group LLP or one of its other names as their employer on the register; 7 of them were admitted before 1994, and all 15 give an office in Syosset, NY. The 5 whose admission is closest to 1994, earliest first:
| Attorney | Admitted | Status |
|---|---|---|
| Mark Emmanuel Cohen | 1991 | Currently registered |
| Steven Eric Shumer | 1992 | Currently registered |
| Heath S. Berger | 1993 | Currently registered |
| Peter Jason Goodman | 1996 | Due to re‑register |
| Brad A. Schlossberg | 1997 | Currently 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
Karen I. Flanzenbaum studied at Northwestern University Pritzker School of Law (the register spells it “NORTHWESTERN”). 253 of its 3,128 living graduates on the register were admitted in the 1990s, as Karen I. Flanzenbaum was.
- Same law school
- 3,128living graduates; 87.0% registered (current or due), against 87.1% overall
- Office in Syosset, NY
- 356living registrants
Of the 356 living registrants with an office in Syosset, NY, 140 were admitted before 1994 and 195 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 Bfsng Law Group LLP15 on the register, 7 of the others admitted before 1994; all 15 give an office in Syosset, NY.
- Northwestern University Pritzker School of Law graduates on the register3,128 living, 87.0% registered.
- Attorneys with an office in Syosset, NY356 living registrants give an office there.
- Nassau County’s registered bar9,622 currently registered, 6.92 per 1,000 residents.
- Admitted in 19946,410 people admitted in 1994 are on the register, 2,392 of them through the Second 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 Karen I. Flanzenbaum’s standing, contact the Attorney Registration Unit of the NY Office of Court Administration (nycourts.gov/attorneys), or ask the Appellate Division, Second Department, which admitted Karen I. Flanzenbaum in 1994. A complaint about this attorney would go to the Second Department’s Grievance Committee for the Tenth Judicial District, which covers Nassau County, where the register places the office.
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).