Sidley Austin LLP
A law firm on the New York attorney register · most who list it give an office in New York
- On the register
- 800
- Registered, current or due
- 765
- Admitted
- 1966 to 2026
800 attorneys on the New York register file of Sep 29, 2026 list Sidley Austin LLP as their employer; 765 (96%) are registered (currently, or due to re‑register), against 87.1% of all living registrants. They were admitted between 1966 and 2026 (median 2016), and 533 give an office in New York.
When its attorneys were admitted
| Decade | This firm | Every living registrant |
|---|---|---|
| 1960s | <1% | 2% |
| 1970s | 1% | 6% |
| 1980s | 4% | 13% |
| 1990s | 9% | 17% |
| 2000s | 19% | 22% |
| 2010s | 30% | 24% |
| 2020s | 37% | 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 | 533 |
| Washington, DC | 70 |
| Chicago, IL | 26 |
| London | 26 |
| Dallas, TX | 22 |
| Los Angeles, CA | 22 |
Attorneys who list Sidley Austin LLP on the register, page 17 of 40
Currently registered attorneys first, most recently admitted first.
| Attorney | Admitted | Status |
|---|---|---|
| Matthew Seth Katz | 2018 | Currently registered |
| Mia C. Khatcherian | 2018 | Currently registered |
| Joshua Ryan Kopel | 2018 | Currently registered |
| Ethan Lee McMahon | 2018 | Currently registered |
| Mike Anthony Ortega | 2018 | Currently registered |
| Ryan Levar Parchment | 2018 | Currently registered |
| Ellen Hyeree Park | 2018 | Currently registered |
| Sarah Rose Scheinman | 2018 | Currently registered |
| Daniel Foster Spies | 2018 | Currently registered |
| Anne Gilbert Wallice | 2018 | Currently registered |
| Emily Rosenberg Woodring | 2018 | Currently registered |
| Mulai Xu | 2018 | Currently registered |
| Bernard David Zamichow | 2018 | Currently registered |
| Ameneh Maria Bordi | 2017 | Currently registered |
| Mallory Winfield Edel | 2017 | Currently registered |
| Mee Kyung Han | 2017 | Currently registered |
| Djuan Broshea Jones | 2017 | Currently registered |
| Erin Nicole Kauffman | 2017 | Currently registered |
| Rebecca Lauren Keevers | 2017 | Currently registered |
| Luke William Maiman | 2017 | Currently registered |
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.