Oh-Ebashi LPC & Partners

Aiko Hosokawa is a partner at Oh-Ebashi LPC & Partners with a broad experience in the area of international and domestic dispute resolution. Especially, she has expertise in international arbitration and has been involved in various international arbitration cases as counsel. She also advises clients on international commercial transactions.

Aiko Hosokawa has represented clients in various arbitration cases in major international arbitration institutions such as ICC, SIAC, AAA-ICDR and JCAA.

2018.4 Returned to our Tokyo Office

2017.9-2018.2 Gleiss Lutz (Stuttgart Office)

2017.7 International Academy for Arbitration Law, Paris (Certificate)

2017.5 University of California, Berkeley, School of Law (LL.M.)

2012 Oh-Ebashi LPC & Partners

Japanese and English

2022-2024 Deputy Secretary General, Japan International Dispute Resolution Center (JIDRC)

2018- Member, German-Japanese Association of Jurists（Deutsch-Japanische Juristenvereinigung e.V.）

2016-2017 Outside Member of the Ethics Committee, Japan Society of Plastic and Reconstructive Surgery

2013- Member, Japan Association of Arbitrators

2018.4 Returned to our Tokyo Office

2017.9-2018.2 Gleiss Lutz (Stuttgart Office)

2017.7 International Academy for Arbitration Law, Paris (Certificate)

2017.5 University of California, Berkeley, School of Law (LL.M.)

2012 Oh-Ebashi LPC & Partners

2010 The University of Tokyo School of Law (J.D.)

2008 The University of Tokyo (LL.B.)

Awards:

・Asian Legal Business (ALB) Japan Law Awards 2025 -Finalist - Young Lawyer of the Year (Law Firm) ・The Legal 500 Asia Pacific 2026 -Recommended Lawyers - Dispute Resolution ・Best Lawyers in Japan 2027 -Ones to Watch - Arbitration and Mediation ・Asian Legal Business (ALB) Japan Law Awards 2026 -Young Lawyer of the Year (Law Firm)