KDDI Corporation - Sumitomo Corporation

Kozo’s anti-trust/competition practice covers every area of the practice, i.e., violation cases such as cartel and unilateral conduct, merger regulations, and compliance to prevent violations of Japanese and foreign competition laws. Kozo continues to be recognized by international law journals as one of the top practitioners in Japan in the area of competition law. He has handled large scale international cartel cases and has contributed to the realization of prominent merger regulations. In the area of international trade law, Kozo is widely recognized as a pioneer of trade law practice in Japan and has advised both the private sector and governmental agencies. He has been involved in most of the trade remedy investigations, such as those for the imposition of anti-dumping duties and subsidy countervailing duties as counsel to Japanese and foreign clients, and in some overseas trade remedy investigations to defend Japanese clients. In addition, Kozo’s practice covers international disputes, corporate crisis management, and regulatory investigations.

Tatsuya Tanigawa is a partner at Nishimura & Asahi, and has represented Japanese and non-Japanese buyers and sellers in numerous cross-border transactions in various industries, including stock and asset acquisitions, private equity and venture capital investments, joint ventures, and strategic alliances. He has handled both inbound and outbound transactions, including many public company transactions. He is committed to finding solutions for his clients in any transaction.

Madoka advises clients on various matters of competition law, including domestic and international cartels, bid-rigging, M&A transactions, investigations by the JFTC, leniency applications and general antitrust law compliance. She is especially active in cross-border transactions. She has represented clients in connection with investigations into various global cartels, involving air cargo, marine hoses, TFT-LCDs, airlines, and bearings, and also in various merger-control cases, including a vertical integration between semiconductor equipment manufacturers, and major global merger transactions in the chemical and pharmaceutical industries. She has particular strength and experience handling IT-industry mega deals. Madoka is also active in advising in the international trade area, in particular, government procurement and export control. In addition, she advises on laws preventing unfair competition, including trade secret cases. She served as lead counsel to Nippon Steel Corporation in multinational trade secret litigation against POSCO (a South Korean steel company), a landmark case in this area, and successfully negotiated a favorable settlement for her client. She was a member of the Subcommittee on Unfair Trade Policies and Measures of the Industrial Structure Council at the Ministry of Economy, Trade and Industry from 2013 to 2023.

With a strong background in commercial transactions and corporate governance and compliance, Yusuke focuses on business and human rights, advising companies on various related issues, including the formulation of human rights norms, human rights due diligence, stakeholder engagement, the formulation of human rights clauses in contracts, compliance with modern slavery laws, and consulting on transactions with countries with human rights issues. He is a core member of the Business and Human Rights Projects Team of the Committee on International Human Rights within the Japan Federation of Bar Associations and spreads awareness of the field through lectures at universities and law schools, and by contributing to various publications and seminars. He currently serves as the representative of the firm’s Yangon office providing wide-ranging legal advice to international investors and companies investing and doing business in Myanmar. In addition, Yusuke is involved in a broad range of lawmaking activities in Myanmar to bring their laws into alignment with international standards and norms, and was the first foreign member of the Myanmar Association of Insolvency Practitioners.

Masato Yamanaka joined Nishimura & Asahi in April 2008 after working for Mitsui, Yasuda, Wani & Maeda, Linklaters and Miyakezaka Sogo Law Office. After being seconded to Norton Rose Hong Kong, he started working for Nishimura & Asahi (Singapore) LLP in 2012. Since then, he has supported numerous clients with their M&A transactions, finance, and general corporate matters in the ASEAN region, especially in Singapore, Malaysia and Indonesia. He has significant expertise in public M&As in Singapore, Malaysia and Indonesia.