
Atsushi qualified as an attorney-at-law (bengoshi) in 2007 and is the founder at Miyake Law.
He has wide experience in cross-border, commercial, and employment disputes. He acts for businesses and individuals, focusing in particular on cross-border commercial disputes.
Highlights include representing:
- A US energy supply company in:
- obtaining a Japanese court order allowing enforcement of a US$2.7 million arbitral award (Tokyo District Court, 12 December 2023; affirmed on appeal by the Tokyo High Court, 1 October 2024); and submitting a declaration addressing Japanese law in US proceedings to obtain confirmation of the award (Palmco Administration v Flower Payment, 1:2023cv07409 (S.D.N.Y. 2025)); and
- its successful defence against an objection-to-enforcement action based on set-off brought by the arbitral debtor (Tokyo District Court, 18 December 2025; affirmed on appeal by the Tokyo High Court, 26 August 2026).
- The surviving spouse of a vice president of a Japanese subsidiary of a UK global company in her £550,000 death benefit claim against the company, including serving the complaint in the UK under the Hague Service Convention. After the defendant brought a countersuit in the English High Court, the dispute was successfully settled in proceedings before the Tokyo District Court.
- A Malaysian offshore survey company in its US$1.3 million debt recovery from a Japanese offshore wind company, including obtaining a provisional attachment of funds in the debtor’s bank accounts and representing the creditor in subsequent bankruptcy proceedings.
- A Cypriot trading company in its contractual claim arising from the trade of hundreds of used cars, including cross-examining witnesses through a Greek interpreter in the Yokohama District Court and obtaining a ¥70 million judgment in its favour (Yokohama District Court, 29 April 2023).
- A Japan Rugby League One player who has appeared in the Rugby World Cup in his defence of an employment-related claim brought by his employer, a Japanese listed company, and successfully settling the dispute in proceedings before the Fukuoka District Court.
- A Singaporean trading company in its damages claim arising from intermediary trading in metals, including provisionally attaching funds in the defendant’s bank accounts and settling the dispute in proceedings before the Tokyo District Court.
- A Japanese manufacturing company in its contractual claim arising from the sale of precision machines in an arbitration before the HKIAC and obtaining a consent award.
Background
Atsushi passed the National Bar Examination in 2005 while at Kyushu University before training at the Legal Training and Research Institute of the Supreme Court of Japan. After spending many years at both Tokyo and Hong Kong law firms, he founded the firm in 2018.

Jess is from Hong Kong and speaks Cantonese, English, Japanese and Mandarin. She is responsible for the smooth day to day running of the firm.
Jess joined the launch of Miyake Law in 2018, having previously worked at Nagahori Corporation.