Tatsuya Koyama
- Verified against the New York State attorney registration file, July 2026
12 years in practice
First admitted in 2014
First admitted in 2014
- 2014 Admitted, New York
Overview
Tatsuya Koyama is an attorney admitted in New York (since 2014).
This profile is built from public bar records and shows only what those records contain. Tatsuya has not written or endorsed anything on this page.
Jurisdictions admitted
| Jurisdiction | Admitted | Bar number | Status |
|---|---|---|---|
| New York | 2014 | #5262985 | Active |
Education
- The University of Chicago Law SchoolLaw school, per the bar record
Contact and offices
Mayer Brown LLP
1999 K Street, Nw
Washington Dc, DC 20006
The address and number above come from the attorney's public bar registration, which can lag a recent move. Confirm before visiting.
Sources for this profile: the New York State attorney registration file. License status can change; check the bar's own record for the current status before hiring. Updated July 12, 2026.