Kagenori Sako > Oh-Ebashi LPC & Partners > Tokyo, Japan > Lawyer Profile

Oh-Ebashi LPC & Partners
Kishimoto Building 2F
2-2-1 Marunouchi, Chiyoda-ku
Tokyo 100-0005

Work Department

  • Competition and Antitrust/Consumer Protection
  • Dispute Resolution
  • Risk Management & Compliance
  • Corporate and M&A
  • International Practice
  • Intellectual Property Law
  • Administrative Law


Kagenori Sako is a partner in Oh-Ebashi LPC & Partners. His practice areas comprise a range of antitrust / competition, dispute resolution, compliance, IP and corporate law.

His antitrust / competition practice covers all areas of antitrust and competition law, including cartel defense, private antitrust litigation and merger clearance. He regularly represents clients in administrative and criminal antitrust investigations by the JFTC, and has served as lead coordinating counsel for clients under investigation in multiple jurisdictions, including the United States, the European Union, Canada, China, Korea, India, Singapore and Brazil. In addition to cartel investigation, he has handled a variety of unfair trade practices under the Japanese antitrust law including abuse of a superior bargaining position.

In addition to his work in the antitrust area, Kagenori has represented clients in various commercial dispute matters, including complex commercial litigation and alternative dispute resolution procedures. He also has extensive experience in conducting complex investigations in a variety of industries, and in advising corporate boards in connection with investigations.


2009 – 2010
Weil, Gotshal & Manges LLP (Silicon Valley office)


Japanese and English


Osaka Bar Association, Japan Federation of Bar Associations (2002)
New York (2010)
Certified Fraud Examiner (2016)


2009 UC Berkeley School of Law (LL.M.)

2001 Kyoto University (LL.B.)

Lawyer Rankings

Japan > Antitrust and competition: Independent local firms

(Leading individuals: Bengoshi)

Kagenori SakoOh-Ebashi LPC & Partners

Oh-Ebashi LPC & Partners‘ antitrust group has particular strength in the area of government investigations, with experience negotiating with the JFTC, Public Prosecutors Office, and Consumer Affairs Agency, in addition to overseas competition authorities. The department also covers compeition and consumer litigation, as well as merger control. Co-leading the department are Tetsuya NagasawaKagenori Sako, and Takashi Ishii, who previously worked as an official within the JFTC. Yuichi Oda is another key name within the department, and provides counsel on government investigations, follow-on litigations, and M&A.