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

Steptoe LLP

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

On the register
138
Registered, current or due
137
Admitted
1978 to 2026

138 attorneys on the New York register file of Sep 29, 2026 list Steptoe LLP as their employer; 137 (99%) are registered (currently, or due to re‑register), against 87.1% of all living registrants. They were admitted between 1978 and 2026 (median 2012), and 74 give an office in New York.

When its attorneys were admitted

Steptoe LLP: share by decade of admission, against every living registrant 1%1970s6%1980s14%1990s25%2000s30%2010s25%2020s
Steptoe LLP: share by decade of admission, against every living registrant 1%1970s6%1980s14%1990s25%2000s30%2010s25%2020s
Steptoe LLP: share by decade of admission, against every living registrant 1%1970s6%1980s14%1990s25%2000s30%2010s25%2020s
Share of attorneys who list Steptoe LLP admitted in each decade (columns) against every living registrant (dashed); register file of Sep 29, 2026.
DecadeThis firmEvery living registrant
1970s1%6%
1980s6%13%
1990s14%17%
2000s25%22%
2010s30%24%
2020s25%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 Steptoe LLP on the register, page 7 of 7

Currently registered attorneys first, most recently admitted first.

AttorneyAdmittedStatus
Michael Lewis Weiner1981Currently registered
Robert Lewin1978Currently registered
Anthony Amerigo Pericolo2024Due to re‑register
John Ross Mucciolo2022Due to re‑register
Stephanie Rose Sebastian2022Due to re‑register
William Granberg Fletcher2020Due to re‑register
Juliana Lydia Duncan Gerrick2014Due to re‑register
Yi Han Dulkeith2012Due to re‑register
Amba Mitra Datta2010Due to re‑register
Robert William Mockler2010Due to re‑register
Matthew James Galvin2006Due to re‑register
Dina Kolker2004Due to re‑register
Charles A Michael2004Due to re‑register
David Michael Stetson2004Due to re‑register
Zhiying Li2003Delinquent
Lawrence Tucker Kass1996Due to re‑register
Michael David Boucher1994Due to re‑register
Charles Richard Whiddington1984Due 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.