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

Katten Muchin Rosenman LLP

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

On the register
241
Registered, current or due
227
Admitted
1956 to 2026

241 attorneys on the New York register file of Sep 29, 2026 list Katten Muchin Rosenman LLP as their employer; 227 (94%) are registered (currently, or due to re‑register), against 87.1% of all living registrants. They were admitted between 1956 and 2026 (median 2009), and 175 give an office in New York.

When its attorneys were admitted

Katten Muchin Rosenman LLP: share by decade of admission, against every living registrant 1%1950s2%1960s4%1970s12%1980s9%1990s24%2000s28%2010s21%2020s
Katten Muchin Rosenman LLP: share by decade of admission, against every living registrant 1%1950s2%1960s4%1970s12%1980s9%1990s24%2000s28%2010s21%2020s
Katten Muchin Rosenman LLP: share by decade of admission, against every living registrant 1%1950s2%4%1970s12%9%1990s24%28%21%2020s
Share of attorneys who list Katten Muchin Rosenman LLP admitted in each decade (columns) against every living registrant (dashed); register file of Sep 29, 2026.
DecadeThis firmEvery living registrant
1950s1%<1%
1960s2%2%
1970s4%6%
1980s12%13%
1990s9%17%
2000s24%22%
2010s28%24%
2020s21%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 Katten Muchin Rosenman LLP on the register, page 11 of 13

Currently registered attorneys first, most recently admitted first.

AttorneyAdmittedStatus
Arnold Israel Roth1957Currently registered
Lawrence Benjamin Buttenwieser1956Currently registered
Sofia Rive Labella2024Due to re‑register
Emily Claire Tuten2024Due to re‑register
Gabriela Alexandra Urias2024Due to re‑register
Sravya Vallapureddy2024Due to re‑register
Theodore Michael Ryan2022Due to re‑register
Chenye Ni2020Due to re‑register
Matthew Clayton Sperry2018Due to re‑register
Nathaniel Caleb Ament-Stone2016Due to re‑register
Alexandra Rose Caleca2016Due to re‑register
Michael James Chiusano2016Due to re‑register
Rebecca H Lomazow2016Due to re‑register
Gregory Ryan Polovin2015Delinquent
Xavier Calvin Watson2015Delinquent
John David Corrigan2012Due to re‑register
Reannon Nichele Froehlich2012Suspended, delinquent
Min Li2012Suspended, delinquent
Jonathan Barak Milgrom2011Suspended, delinquent
John Frank Anzelc2010Suspended, 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.