Nishimura & Asahi

Akihiro Hironaka

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Practice Areas

Civil Litigation, Corporate Disputes, PL Litigation, Tax Disputes, International Litigation, International Arbitration.


Partner, Nishimura & Asahi (2007-present); Judge of Yokohama District Court (1998-2000); Arnold & Porter, Washington, DC (2003-2004).

Professional Memberships

Admitted: Japan, 1996 (voluntarily deregistered in 1998 and readmitted in 2000); New York, 2004; Fellow, Chartered Institute of Arbitrators (FCIArb, 2019).


“Is the Opt-in System Doomed to Fail? An Experience with the New Japanese Legislation on Collective Redress”, Co-author, Dispute Resolution International, Vol. 14 No. 1 (2020); Yasuhei Taniguchi, et al., eds., Civil Procedure in Japan (Contributor, 3rd ed., Juris Publishing)(2018); “Exploring Practicality: Using Japanese Courtrooms for Evidence Gathering in International Arbitration”, Dispute Resolution International, Vol. 9 No. 2 (2015).


Graduate of the University of Tokyo (LLB, 1993); Harvard Law School (LLM, 2003).