Aiko Ota

Nozomi Sogo Attorneys at Law

Of Counsel, Nozomi Sogo Attorneys at Law

Ms. Ota has extensive experience in handling international disputes, including arbitration, arbitration-related court proceedings, and cross-border commercial litigation. She regularly advises multinational clients on dispute resolution strategies in complex, multi-jurisdictional matters. Her practice also includes compliance, risk management, data protection, employment law, and general corporate matters.

Practice Area

Arbitration

Panel

Other Publications

Qualified Year

2015

Experience

Nozomi Sogo Attorneys at Law (Japan) (2017 - present)
Rajah & Tann Singapore (2020 - 2022)
Freshfields Bruckhaus Deringer (2015 - 2017)

Membership

Daini Tokyo Bar Associaion
Japan Federation of Bar Associations

Qualifications

LLM (2020)
LLB (2011)

Education

National University of Singapore (2020)
Hitotsubashi Law School J.D. (2013)
Hitotsubashi University Faculty of Law (2011)

1 Contributions by Aiko Ota

PRACTICE NOTES

Recognition and Enforcement of Arbitral Awards in Japan: Procedure, Defences, 2023 JAA Reforms and Business Courts

Japan offers a transparent, dependable pathway for parties aiming to enforce arbitral awards. Its legislation reflects global best practice, and the courts typically take a pro-arbitration approach when dealing with enforcement. Legal framework for arbitration award enforcement in Japan Applicable laws and Conventions Japan is a member State of the Convention on the Recognition and Enforcement of Foreign Arbitral Awards (the New York Convention), having acceded on 20 June 1961. This early accession underscores Japan’s enduring arbitration-friendly outlook. That said, Japan declared under Article I(3) that it applies the Convention solely to awards issued in other contracting States, thereby confining its effect to reciprocal recognition and enforcement. The Japan Arbitration Act (JAA) (Act No. 138 of 2003, as amended by Act No. 53 of 2023) governs every arbitration seated in Japan, domestic or international. The JAA incorporates the UNCITRAL Model Law, including the 2006 revisions, keeping Japan’s regime in step with international standards and recent dispute resolution developments, among them provisions connected to the United Nations Convention on International Settlement Agreements Resulting from Mediation (the Singapore Convention). Distinction between domestic and foreign awards Enforcement framework for both award types Under Japanese law, ...

Arbitration

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