New York attorney record · Judicial Dept 3
Sumi Yamana
University Of California Berkeley School Of Law alumna, admitted to the New York bar in 2015. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2015
- Admitted
- 11
- Years in bar
- 5334362
- NY reg #
The record in one line
Admitted in 2015, Sumi Yamana has built 11 years of active New York practice - more tenure than 25% of the state's currently-active attorneys.
- 11 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 75%
- by tenure among active NY attorneys
- Law school
- University Of California Berkeley School Of Law
Data updated September 2026
What this profile tells you
Bar status & tenure
Bar number 5334362 on the New York register belongs to Sumi Yamana, currently in active standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Tokyo District Public Prosecutors Office, located in Tokyo 100-8903. 2 other attorneys share this firm affiliation in the registry. Educational background: University of California Berkeley School of Law.
State context & due diligence
Sumi Yamana is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
11 years into an active New York practice since a 2015 admission, Sumi Yamana sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
11 years on the New York bar
Years since admission, all currently-active NY attorneys
11 Top 75% higher than 25% of 290,787 active NY attorneys
Each bar is a band; taller bars hold more active NY attorneys. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · September 2026
How Sumi compares to fellow University Of California Berkeley School Of Law alumni
Among the 1,206 University Of California Berkeley School Of Law graduates in the New York register, Sumi Yamana is longer-tenured than 70%.
11 years vs. University Of California Berkeley School Of Law alumni
Years since admission - 1,206 NY-registered alumni of this school
11 Top 30% higher than 70% of 1,206 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · September 2026
The 2015 admission class today
Of the 8,867 attorneys admitted to the New York bar in 2015, 93% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5334362
- Year Admitted
- 2015 (11 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Nov 2027
Location & Contact
- Company
- Tokyo District Public Prosecutors Office
- City
- Tokyo 100-8903
- Phone
- +81-90-5791-3439
Education
University of California Berkeley School of Law
Status Distribution Across the New York Bar
Sumi Yamana's current status, "Currently registered", places this attorney in the 67.2% of the 432,625-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
Same firm affiliation: Tokyo District Public Prosecutors Office
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Near-tenure University Of California Berkeley School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 2015 (excluding same-firm colleagues above).
Same admission year (2015), other cities
NY-registered attorneys admitted in 2015 whose listed office city differs from Tokyo 100-8903, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Out-of-state NY bar peers for Sumi Yamana with the closest admission year to 2015. Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchBefore you rely on this record
Sumi Yamana's "Currently registered" listing confirms bar standing only, it is a registration fact to verify, not a verdict on quality or competence.
Frequently Asked Questions
Where is Sumi Yamana licensed?
Sumi Yamana is licensed to practice law in New York.
When was Sumi Yamana admitted to the bar?
Sumi Yamana has been on the New York bar register since 2015.
Where did Sumi Yamana go to law school?
Sumi Yamana attended University of California Berkeley School of Law.
What company does Sumi Yamana work for?
Sumi Yamana is associated with Tokyo District Public Prosecutors Office in Tokyo 100-8903.
Is Sumi Yamana in good standing?
Yes, Sumi Yamana holds active bar status ("Currently registered").
Cite this page & disclosure
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.