Koichi Oyama
About Koichi Oyama
Koichi Oyama is a lawyer based in Tokyo, JP and has been recognized in The Best Lawyers in Japan™ since 2027. Koichi Oyama is recognized in the following practice area:
- Tokyo, Japan
- Media and Entertainment Law
Current Firm: Kotto Dori 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
Toyoki Emoto is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Litigation. Toyoki, who practices law in Tokyo, Japan, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Toyoki is held by other top lawyers in the same geographic and legal practice area.
Chie Yakura is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Litigation. Chie, who practices law in Tokyo, Japan, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chie is held by other top lawyers in the same geographic and legal practice area.
Ryuichi Nozaki is a top attorney recognized by Best Lawyers in the practice area(s) of Structured Finance Law. Ryuichi, 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 Ryuichi is held by other top lawyers in the same geographic and legal practice area.
Tsuyoshi Imai is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law and Private Equity, Private Funds and Venture Capital Law. Tsuyoshi, who practices law in Tokyo, Japan, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tsuyoshi is held by other top lawyers in the same geographic and legal practice area.
Hidetomo Futami is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Hidetomo, who practices law in Tokyo, Japan, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hidetomo is held by other top lawyers in the same geographic and legal practice area.
Youngseop Song is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust / Competition Law. Youngseop, 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 Youngseop is held by other top lawyers in the same geographic and legal practice area.
Yuri Suzuki is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Financial Institution Regulatory Law and FinTech Practice. Yuri, 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 Yuri is held by other top lawyers in the same geographic and legal practice area.
Takashi Soga is a top attorney recognized by Best Lawyers in the practice area(s) of International Business Transactions and Trade Law. Takashi, who practices law in Tokyo, Japan, has been recognized since 2009. 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.
Tatsuo Yamashima is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust / Competition Law and Corporate Governance and Compliance Practice. Tatsuo, 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 Tatsuo is held by other top lawyers in the same geographic and legal practice area.
Hiroyuki Sanbe is a top attorney recognized by Best Lawyers in the practice area(s) of Financial Institution Regulatory Law and International Business Transactions. Hiroyuki, 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 Hiroyuki is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
What AI Visibility Means for Lawyers
by Bryan Driscoll and Josh Rupall
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
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.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
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.
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.
What Disqualifies You From Filing Bankruptcies
by Bryan Driscoll
A guide to navigating eligibility, the means test and the legal hurdles of declaring bankruptcy.