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

Mayer Brown LLP

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

On the register
492
Registered, current or due
468
Admitted
1972 to 2026

492 attorneys on the New York register file of Sep 29, 2026 list Mayer Brown LLP as their employer; 468 (95%) are registered (currently, or due to re‑register), against 87.1% of all living registrants. They were admitted between 1972 and 2026 (median 2014), and 305 give an office in New York.

When its attorneys were admitted

Mayer Brown LLP: share by decade of admission, against every living registrant 1%1970s5%1980s10%1990s23%2000s31%2010s30%2020s
Mayer Brown LLP: share by decade of admission, against every living registrant 1%1970s5%1980s10%1990s23%2000s31%2010s30%2020s
Mayer Brown LLP: share by decade of admission, against every living registrant 1%1970s5%1980s10%1990s23%2000s31%2010s30%2020s
Share of attorneys who list Mayer Brown LLP admitted in each decade (columns) against every living registrant (dashed); register file of Sep 29, 2026.
DecadeThis firmEvery living registrant
1970s1%6%
1980s5%13%
1990s10%17%
2000s23%22%
2010s31%24%
2020s30%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

Attorneys who list Mayer Brown LLP on the register, page 20 of 25

Currently registered attorneys first, most recently admitted first.

AttorneyAdmittedStatus
James B. Carlson1993Currently registered
Jeffrey Peter Taft1993Currently registered
Jeremiah A. De Berry1992Currently registered
Masahisa Ikeda1992Currently registered
John Matthew Conlon1991Currently registered
Yoshihide Ito1991Currently registered
Scott M. Zemser1991Currently registered
Markham G. Hanchet1989Currently registered
Edward Johnson1989Currently registered
Lawrence Kevin Sheridan Jr1989Currently registered
Olivier Tordjman1989Currently registered
Lisa Marie Ferri1988Currently registered
David Mason Stewart1988Currently registered
Douglas A. Doetsch1987Currently registered
Scott Peter Perlman1987Currently registered
Richard A. Spehr1987Currently registered
John Joseph Sullivan1987Currently registered
Brian Trust1987Currently registered
Jean Marie Lucien Atamian1986Currently registered
Arvin Maskin1984Currently 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.