Recognition and Enforcement of Arbitral Awards in Japan: Procedure, Defences, 2023 JAA Reforms and Business Courts
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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, ...
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Web page updated on 21/05/2026
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