Jackson Lewis P.C.
A law firm on the New York attorney register · most who list it give an office in New York
- On the register
- 262
- Registered, current or due
- 255
- Admitted
- 1977 to 2026
262 attorneys on the New York register file of Sep 29, 2026 list Jackson Lewis P.C. as their employer; 255 (97%) are registered (currently, or due to re‑register), against 87.1% of all living registrants. They were admitted between 1977 and 2026 (median 2011), and 73 give an office in New York.
When its attorneys were admitted
| Decade | This firm | Every living registrant |
|---|---|---|
| 1970s | 1% | 6% |
| 1980s | 6% | 13% |
| 1990s | 15% | 17% |
| 2000s | 23% | 22% |
| 2010s | 28% | 24% |
| 2020s | 27% | 15% |
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; employer spellings merged (methodology).
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; school spellings matched.
Where its attorneys have their office
| Office | Attorneys |
|---|---|
| New York, NY | 73 |
| White Plains, NY | 52 |
| Melville, NY | 50 |
| Berkeley Heights, NJ | 19 |
| Albany, NY | 6 |
| Philadelphia, PA | 6 |
Attorneys who list Jackson Lewis P.C. on the register, page 14 of 14
Currently registered attorneys first, most recently admitted first.
| Attorney | Admitted | Status |
|---|---|---|
| Paul J. Siegel | 1984 | Due to re‑register |
| Mark Stephen Mancher | 1977 | Delinquent |
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026.
Looking for a lawyer for a matter?
The register lists who is admitted and where their office is, not what kind of law anyone practises, so this page cannot suggest a lawyer for a problem. The New York State Bar Association’s Lawyer Referral Service matches people with lawyers by area of law; once you have a name, its record here shows whether the lawyer is registered.