PlainAttorney Register file of Sep 29, 2026 · NY Office of Court Administration, via data.ny.gov

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

Sidley Austin LLP: share by decade of admission, against every living registrant <1%1960s1%1970s4%1980s9%1990s19%2000s30%2010s37%2020s
Sidley Austin LLP: share by decade of admission, against every living registrant <1%1960s1%1970s4%1980s9%1990s19%2000s30%2010s37%2020s
Sidley Austin LLP: share by decade of admission, against every living registrant <1%1960s1%1970s4%1980s9%1990s19%2000s30%2010s37%2020s
Sidley Austin LLP: share by decade of admission, against every living registrant <1%1960s1%1970s4%1980s9%1990s19%2000s30%2010s37%2020s
Share of attorneys who list Sidley Austin LLP admitted in each decade (columns) against every living registrant (dashed); register file of Sep 29, 2026.
DecadeThis firmEvery living registrant
1960s<1%2%
1970s1%6%
1980s4%13%
1990s9%17%
2000s19%22%
2010s30%24%
2020s37%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

Law schoolAttorneys
New York University School of Law69
Fordham University School of Law67
Columbia Law School65
Harvard Law School54
Georgetown University Law Center54
Cornell Law School35

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

OfficeAttorneys
New York, NY533
Washington, DC70
Chicago, IL26
London26
Dallas, TX22
Los Angeles, CA22

Attorneys who list Sidley Austin LLP on the register, page 32 of 40

Currently registered attorneys first, most recently admitted first.

AttorneyAdmittedStatus
Alison McKinnell King1997Currently registered
David C. Lashway1997Currently registered
Richard Adam Leavy1997Currently registered
Heidi Lynn Levine1997Currently registered
Patrick Andre Michel1997Currently registered
Benjamin Robert Nagin1997Currently registered
Meaghan Meagher O’Toole1997Currently registered
Christopher William Rile1997Currently registered
Thomas George Ward1997Currently registered
Christopher Michael Barbuto1996Currently registered
James Wallace Ducayet1996Currently registered
Michael Cory Hochman1996Currently registered
Prabhat Kumar Mehta1996Currently registered
Daniel A. O’Shea1996Currently registered
Bartholomew A. Sheehan III1996Currently registered
John Hendrickson Butler1995Currently registered
Maureen M. Crough1995Currently registered
Alyssa Ann Grikscheit1995Currently registered
Andrew Robert Holland1995Currently registered
Richard Jeffords Jardine1995Currently 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.