Kei Umebayashi
Recognized in Best Lawyers since 2024 About Kei Umebayashi
Kei Umebayashi is a lawyer based in Tokyo, JP and has been recognized in The Best Lawyers in Japan™ since 2024. Kei Umebayashi is recognized in the following practice area:
- Tokyo, Japan
- Criminal Defense
Current Firm: Nishimura & Asahi
Location: Tokyo, JP
Nearby Lawyers
Rony P. Gerrits is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust / Competition Law. Rony P., who practices law in Tokyo, Japan, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rony P. is held by other top lawyers in the same geographic and legal practice area.
Hayato Kimura is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Hayato, who practices law in Tokyo, Japan, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hayato is held by other top lawyers in the same geographic and legal practice area.
Fumiyo Doi is a top attorney recognized by Best Lawyers in the practice area(s) of FinTech Practice. Fumiyo, who practices law in Tokyo, Japan, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fumiyo is held by other top lawyers in the same geographic and legal practice area.
Takashi Tezuka is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Takashi, who practices law in Tokyo, Japan, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Takashi is held by other top lawyers in the same geographic and legal practice area.
Partner at Chuo Sogo Law Office; secondment at Supervisory Coordination Division, Supervisory Bureau, Financial Services Agency, Japan as a fixed-term government official (Jan. 2014 to Dec. 2015); registered as Foreign Lawyer in Singapore (Nov. 2012 to Oct. 2013); foreign Lawyer at Rodyk & Davidson LLP, Singapore (Nov. 2012 to Oct. 2013); visiting attorney at Barack Ferrazano Kirschbaum & Nagelberg LLP, Chicago/USA (Aug. 2012 to Sep. 2012).
Fumiko Oikawa is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Trade Law. Fumiko, who practices law in Tokyo, Japan, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fumiko is held by other top lawyers in the same geographic and legal practice area.
Hiroyuki Nezu is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Criminal Defense. Hiroyuki, who practices law in Tokyo, Japan, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hiroyuki is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
