Madoka is a partner at Nishimura & Asahi, located at the Tokyo office. She advises clients on various matters of competition law and is especially active in cross-border transactions, such as mergers between semiconductor equipment manufacturers, and major global merger transactions in the chemical and pharmaceutical industries. She has particular strength and experience handling IT-industry megadeals. She also advises in the international trade area, in particular, government procurement and export control. In addition, she advises on laws preventing unfair competition, including trade secrets cases.

Madoka is a partner at Nishimura & Asahi, located at the Tokyo office. She advises clients on various matters of competition law and is especially active in cross-border transactions, such as mergers between semiconductor equipment manufacturers, and major global merger transactions in the chemical and pharmaceutical industries. She has particular strength and experience handling IT-industry megadeals. She also advises in the international trade area, in particular, government procurement and export control. In addition, she advises on laws preventing unfair competition, including trade secret...

Publications

Merger Control Law Guide

Co-author of the Japan - Market Insights chapter in the Merger Control Law Guide , published 13 July 2026 , alongside Kozo Kawai .