Best Lawyers in Japan for Patent Practice
Yoshiko Koizumi is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust / Competition Law, Corporate and Mergers and Acquisitions Law and Corporate Governance and Compliance Practice. Yoshiko, 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 Yoshiko is held by other top lawyers in the same geographic and legal practice area.
Ashish Jejurkar is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. Ashish, 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 Ashish is held by other top lawyers in the same geographic and legal practice area.
Akimoto Kawamura is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Corporate and Mergers and Acquisitions Law, Corporate Governance and Compliance Practice and Financial Institution Regulatory Law. Akimoto, 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 Akimoto is held by other top lawyers in the same geographic and legal practic...
Kenichi Tanizaki is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. Kenichi, 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 Kenichi is held by other top lawyers in the same geographic and legal practice area.
Masao Kuniyoshi is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. Masao, 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 Masao is held by other top lawyers in the same geographic and legal practice area.
Osamu Fujiwara is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. Osamu, 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 Osamu is held by other top lawyers in the same geographic and legal practice area.
Setsuko Yufu is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust / Competition Law, Corporate Governance and Compliance Practice and Trade Law. Setsuko, who practices law in Tokyo, Japan, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Setsuko is held by other top lawyers in the same geographic and legal practice area.
Shingo Isobe is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. Shingo, who practices law in Fukuoka, Japan, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shingo is held by other top lawyers in the same geographic and legal practice area.
Takasuke Mizukami is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. Takasuke, 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 Takasuke is held by other top lawyers in the same geographic and legal practice area.
Partner at Chuo Sogo Law Office; on loan to the Insurance Business Division of the Supervisory Bureau of Financial Services Agency (FSA) in Japan as a fixed-term governmental official (2005-07); member of the "Working Group on the Provision of Insurance Products and Services” of the Financial System Council, FSA (2012-13); member of the “Safety Nets of Housing Warranty Insurance System” study group of the Ministry of Land, Infrastructure, Transport and Tourism (June 2017 - M...
Partner at Chuo Sogo Law Office P.C.; former vice-president at Osaka Bar Association (2015 - 2016); worked at Kirkland & Ellis LLP in Chicago (2005 - 2006); Adjunct Professor at Kyoto University Law School (2008 - 2012); Outside Director at three listed companies (Nakayama Steel Works; Arakawa Chemical Industries; Asaka Industrial)
Go Fujimoto is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice and International Business Transactions. Go, 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 Go 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.
Fumiko Oikawa is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Corporate Governance and Compliance Practice 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.
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.