Mark Andrew Hannemann
On the New York attorney register since 1996 · office in New York, NY
PlainAttorney’s reading of the public register file, not a court record.
- Registration No.
- 2770709
- Admitted
- 1996 · First Department
- Status
- Currently registered
- Next registration
- Mar 2028
Mark Andrew Hannemann is currently registered on the New York attorney register file of Sep 29, 2026. Admitted in 1996 in the First Department, with an office in New York, NY; next registration due Mar 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 Mark Andrew Hannemann has filed the biennial registration the court system requires; the next one is due in Mar 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
280 other attorneys list Troutman Pepper Locke LLP or one of its other names as their employer on the register; 37 of them were admitted before 1996, and 149 of the 281 give an office in New York, NY. The 5 whose admission is closest to 1996, earliest first:
| Attorney | Admitted | Status |
|---|---|---|
| Aaron N. Abraham | 1996 | Currently registered |
| Robert Louis Bourguignon | 1996 | Currently registered |
| Craig Michael Kline | 1996 | Currently registered |
| Paul L. Porretta | 1996 | Due to re‑register |
| Ghillaine Antoinette Reid | 1996 | Due to re‑register |
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 Andrew Hannemann studied at Columbia Law School. 2,635 of its 18,953 living graduates on the register were admitted in the 1990s, as Mark Andrew Hannemann was.
- Same law school
- 18,953living graduates; 87.4% registered (current or due), against 87.1% overall
- Office in New York, NY
- 93,604living registrants
Of the 93,604 living registrants with an office in New York, NY, 21,459 were admitted before 1996 and 70,609 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 Troutman Pepper Locke LLP281 on the register, 37 of the others admitted before 1996; 149 of the 281 give an office in New York, NY.
- Columbia Law School graduates on the register18,953 living, 87.4% registered.
- Attorneys with an office in New York, NY93,604 living registrants give an office there.
- New York County’s registered bar75,989 currently registered, 46.63 per 1,000 residents.
- Admitted in 19966,887 people admitted in 1996 are on the register, 2,439 of them through the First 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 Mark Andrew Hannemann’s standing, contact the Attorney Registration Unit of the NY Office of Court Administration (nycourts.gov/attorneys), or ask the Appellate Division, First Department, which admitted Mark Andrew Hannemann in 1996. A complaint about this attorney would go to the First Department’s grievance committee, which covers New York 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).