The International Comparative Legal Guide to Sanctions 2021: Japan
Kazuho Nakjima, Masahiro Heike and Marie Wako co-authored the Japan chapter of The International Comparative Legal Guide to Sanctions 2021, published by Global Legal Group.
Authors
Competition Law / International Trade
- Introduction of Prior Reporting Obligations for International Transfers of Key Technologies

Masahiro Heike specializes in international trade law. From 2016 to 2018, he worked at the Ministry of Economy, Trade and Industry as an in-government lawyer, and handled numerous WTO disputes and trade negotiations and was responsible for the trade policies of other jurisdictions including the United States and China. Currently, he is involved in a wide range of matters including WTO dispute settlement cases, domestic and foreign trade remedy cases (anti-dumping, safeguards), government research related to international trade law, and the handling of tariffs and origin relations.
North America
Competition Law / International Trade
- U.S. Importers Seek Refunds of IEEPA Tariffs at the Court of International Trade
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He has extensive experience handling cases involving complex legal issues, such as mergers and acquisitions by a public-private investment fund in the context of a business turnaround, a high-value dispute between a securities company and a stock exchange, adoption of anti-takeover defense measures for the first time in Japan, expansion of foreign businesses into the Middle East involving geopolitical risks, and commercial arbitration involving sizable claims regarding M&A price adjustment clauses. Recently, he been advising on risk assessments for transactions, contract drafting, voluntary self-disclosure to government authorities, responses to enforcement actions by the authorities, and establishment of internal control systems with respect to economic security regulations. In particular, he engages in numerous transactions involving economic sanctions, export controls and other economic security regulations regarding conflicts between the US and China over technology competition and human rights issues in Myanmar, Iran and Russia.