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

A&O Shearman

A law firm on the New York attorney register · most who list it give an office in New York

On the register
586
Registered, current or due
523
Admitted
1958 to 2026

586 attorneys on the New York register file of Sep 29, 2026 list A&O Shearman or one of its other names as their employer; 523 (89%) are registered (currently, or due to re‑register), against 87.1% of all living registrants. They were admitted between 1958 and 2026 (median 2015), and 350 give an office in New York.

When its attorneys were admitted

A&O Shearman: share by decade of admission, against every living registrant <1%1950s<1%1960s1%1970s4%1980s9%1990s23%2000s28%2010s34%2020s
A&O Shearman: share by decade of admission, against every living registrant <1%1950s<1%1960s1%1970s4%1980s9%1990s23%2000s28%2010s34%2020s
A&O Shearman: share by decade of admission, against every living registrant <1%1950s<1%1%1970s4%9%1990s23%28%34%2020s
A&O Shearman: share by decade of admission, against every living registrant <1%1950s<1%1960s1%1970s4%1980s9%1990s23%2000s28%2010s34%2020s
Share of attorneys who list A&O Shearman admitted in each decade (columns) against every living registrant (dashed); register file of Sep 29, 2026.
DecadeThis firmEvery living registrant
1950s<1%<1%
1960s<1%2%
1970s1%6%
1980s4%13%
1990s9%17%
2000s23%22%
2010s28%24%
2020s34%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

OfficeAttorneys
New York, NY350
London60
Washington, DC34
Hong Kong19
Paris16
Singapore16

Other names counted with this firm

The register gives each employer as the attorney typed it. These spellings, former names and merged firms are counted with A&O Shearman; a registrant who lists one of them may have registered before the firm took its current name, and the register does not say where anyone works today.

  • “Shearman & Sterling”: 58
  • “Allen & Overy LLP”: 36
  • “Allen & Overy Shearman”: 4

Attorneys who list A&O Shearman or one of its other names on the register, page 29 of 30

Currently registered attorneys first, most recently admitted first.

AttorneyAdmittedStatus
Donna M. Parisi1994Due to re‑register
Catherine Jeanne Pedamon1994Suspended, delinquent
Richard Franklin Schwed1994Due to re‑register
Anna Marion Trotman1993Suspended, delinquent
Jia Zhu1993Suspended, delinquent
Adam Marc Kupitz1992Delinquent
Jeffrey Joseph Pellegrino1992Due to re‑register
Denis Simon Chemla1991Delinquent
Ana Beatriz Boza1990Suspended, delinquent
Jack Lance Heinberg1990Due to re‑register
Katherine Suzanne McKenna1990Suspended, delinquent
Sami Lucien Toutounji1990Suspended, delinquent
Shuk Ling Wong1990Suspended, delinquent
James Stewart Scott1989Suspended, delinquent
Maura E. O’Sullivan1986Due to re‑register
Clare Obrien1986Due to re‑register
Christopher J. Pittinger1986Suspended, delinquent
Thomas Samii1986Suspended, delinquent
Eileen M. Maguire1985Delinquent
Susan E. Rosenthal1985Suspended, 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.