Duane Morris LLP
A law firm on the New York attorney register · most who list it give an office in New York
- On the register
- 240
- Registered, current or due
- 233
- Admitted
- 1961 to 2026
240 attorneys on the New York register file of Sep 29, 2026 list Duane Morris LLP as their employer; 233 (97%) are registered (currently, or due to re‑register), against 87.1% of all living registrants. They were admitted between 1961 and 2026 (median 2006), and 129 give an office in New York.
When its attorneys were admitted
| Decade | This firm | Every living registrant |
|---|---|---|
| 1960s | 4% | 2% |
| 1970s | 7% | 6% |
| 1980s | 13% | 13% |
| 1990s | 13% | 17% |
| 2000s | 21% | 22% |
| 2010s | 26% | 24% |
| 2020s | 17% | 15% |
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; employer spellings merged (methodology).
Where they studied
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 | 129 |
| Philadelphia, PA | 36 |
| Florham Park, NJ | 18 |
| Chicago, IL | 8 |
| Washington, DC | 8 |
| Miami, FL | 5 |
Attorneys who list Duane Morris LLP on the register, page 10 of 12
Currently registered attorneys first, most recently admitted first.
| Attorney | Admitted | Status |
|---|---|---|
| Robert Joel Hasday | 1976 | Currently registered |
| Joshua M. Rubins | 1976 | Currently registered |
| William Buster Pollard III | 1975 | Currently registered |
| Leslie David Corwin | 1974 | Currently registered |
| Anthony J. Costantini | 1973 | Currently registered |
| Michael L. Lipman | 1971 | Currently registered |
| Robert Alan Prentice | 1971 | Currently registered |
| Joseph John Aronica | 1970 | Currently registered |
| Robert Howard Goldie | 1970 | Currently registered |
| Arthur Dresner | 1969 | Currently registered |
| Jon H. Grouf | 1968 | Currently registered |
| Peter Jason | 1967 | Currently registered |
| Paul James Powers Jr. | 1967 | Currently registered |
| Brian S. Goldstein | 1965 | Currently registered |
| Thomas Rubin Newman | 1961 | Currently registered |
| Marie Ann Bauer | 2024 | Due to re‑register |
| John August Nixon II | 2024 | Due to re‑register |
| Brian Jeffrey Slipakoff | 2022 | Due to re‑register |
| Laura Marie Duane | 2020 | Due to re‑register |
| Drew Thomas Dorner | 2018 | Due to re‑register |
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.