Zen Tatsumura
About Zen Tatsumura
Zen Tatsumura is a lawyer based in Tokyo, JP and has been recognized in The Best Lawyers in Japan™ since 2009. Zen Tatsumura is recognized in the following practice areas:
- Tokyo, Japan
- Intellectual Property Law
- Media and Entertainment Law
Current Firm: Tatsumura Law Office
Location: Tokyo, JP
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Rie Kishida is a lawyer recognized by Best Lawyers in the practice area of Project Finance and Development Practice. Rie practices law in Tokyo, Japan Best Lawyers has recognized Rie Kishida since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Rie Kishida is held by other lawyers.
Akihisa Yamada is a lawyer recognized by Best Lawyers in the practice areas of Antitrust / Competition Law and Insolvency and Reorganization Law. Akihisa practices law in Tokyo, Japan Best Lawyers has recognized Akihisa Yamada since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Akihisa Yamada is held by other lawyers.
Yumiko Aoi is a lawyer recognized by Best Lawyers in the practice area of Corporate and Mergers and Acquisitions Law. Yumiko practices law in Tokyo, Japan Best Lawyers has recognized Yumiko Aoi since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Yumiko Aoi is held by other lawyers.
Fumiko Oikawa is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Corporate Governance and Compliance Practice and Trade Law. Fumiko practices law in Tokyo, Japan Best Lawyers has recognized Fumiko Oikawa since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Fumiko Oikawa is held by other lawyers.
Fumiyo Doi is a lawyer recognized by Best Lawyers in the practice area of FinTech Practice. Fumiyo practices law in Tokyo, Japan Best Lawyers has recognized Fumiyo Doi since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Fumiyo Doi is held by other lawyers.
Kazuya Sato is a lawyer recognized by Best Lawyers in the practice area of Structured Finance Law. Kazuya practices law in Tokyo, Japan Best Lawyers has recognized Kazuya Sato since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kazuya Sato is held by other lawyers.
Takashi Soga is a lawyer recognized by Best Lawyers in the practice areas of International Business Transactions and Trade Law. Takashi practices law in Tokyo, Japan Best Lawyers has recognized Takashi Soga since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Takashi Soga is held by other lawyers.
Hideo Ozaki is a lawyer recognized by Best Lawyers in the practice areas of Intellectual Property Law and Technology Law. Hideo practices law in Tokyo, Japan Best Lawyers has recognized Hideo Ozaki since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Hideo Ozaki is held by other lawyers.
Takaya Konishi is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Takaya practices law in Tokyo, Japan Best Lawyers has recognized Takaya Konishi since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Takaya Konishi is held by other lawyers.
Katsumi Shirai is a lawyer recognized by Best Lawyers in the practice areas of Energy Law and Project Finance and Development Practice. Katsumi practices law in Tokyo, Japan Best Lawyers has recognized Katsumi Shirai since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Katsumi Shirai is held by other lawyers.
Explore and Learn
What AI Visibility Means for Lawyers
by Josh Rupall and Bryan Driscoll
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Rules on Gifting Money to Family: What to Know
by Bryan Driscoll
Generosity often runs ahead of paperwork. Here's how to give to loved ones without surprising the IRS, your estate plan or your relationships.