Nishimura & Asahi IP Lawyers Named IAM Global Leaders 2026

Hitomi handles patents, copyrights, trademarks, trade secrets, and other IP-related matters in multiple business sectors, including IT, life sciences and healthcare, machinery, food, fashion, environment and energy, entertainment, financial services, and e-commerce. Ms. Iwase’s expertise encompasses all forms of IP transactional work, both cross-border and domestic, including licensing, strategic alliances, joint development, and asset transfers, as well as various types of IP disputes, including patent/trademark infringement litigation. Hitomi also assists clients in anti-counterfeiting and in the development of IP portfolios and prosecution strategies. Hitomi regularly advises clients on emerging legal issues relating to the latest technology, such as IoT and artificial intelligence (AI), as well as on complex system-related transactions and disputes over such transactions. In the area of data privacy, Hitomi provides extensive advice on data protection and privacy compliance, including on establishing global compliance systems and incidents such as data breaches. Hitomi also advises on related areas such as e-commerce, advertising, and consumer protection.

Yoko’s practice focuses on representation of life sciences and technology companies that develop and market pharmaceuticals, biologics, vaccines, diagnostics, medical devices, and digital health products. She specializes in corporate transactions involving complex intellectual property and pharmaceutical regulatory issues, including mergers and acquisitions, joint ventures, strategic alliances and asset transfers. In addition, she counsels clients on matters involving research and development collaborations, clinical trials, technology licensing, supply and distribution agreements, and co-promotion arrangements. She also advises clients in connection with privacy and personal data protection matters.

His clients include mass media companies, leading IT vendors, telecommunications companies and motion-picture production & distribution companies and other media and technology-oriented enterprises, as well as a variety of global companies. He has held the positions of Vice Chairman of the Computer Research Committee of Japan, Federation of Bar Associations (1993-1997), Special Committee Member of the Copyright Council of Japan, Agency for Cultural Affairs (1995-2002), Working Team Member of International Jurisdiction and Governing Law, Agency for Cultural Affairs (2009-2010), Committee Member of Centralized Administration and Competition Policy, Agency for Cultural Affairs (2010-2012), Chairperson of the China IP Issues Research Committee, SOFTIC (2012-2015) and Chairperson of the OSS Legal Issues Research Committee, SOFTIC (2015-present).