JAPAN Law and Practice Contributed by: Yoshifumi Onodera, Hiroyuki Tanaka, Naoto Shimamura and Rio Ichii, Mori Hamada & Matsumoto
Mori Hamada & Matsumoto is a full-service law firm that has served clients with distinction since its establishment in December 2002. Mori Hamada & Matsumoto is made up of experi - enced lawyers with considerable expertise in the constantly evolving and increasingly com - plex areas of information technology, life sci - ences and intellectual property, providing a va - riety of legal services in response to the diverse
legal needs of its clients. These legal services include advising on regulatory requirements, setting up business, corporate housekeeping, contract negotiations and dispute resolution. In terms of data protection, the firm has noted expertise in leveraging user information while protecting clients’ businesses. Mori Hamada & Matsumoto’s data protection team comprises approximately 130 lawyers.
Authors
Yoshifumi Onodera is a partner at Mori Hamada & Matsumoto. Highly experienced in all kinds of data-related matters involving communication, media, competition, consumer and/or
Hiroyuki Tanaka is a partner at Mori Hamada & Matsumoto, admitted to practise in Japan (Daini Tokyo Bar Association)
and New York. Hiroyuki’s practice areas are data protection, IT and IP, and he has substantial experience advising foreign clients on Japanese data protection law. He is also familiar with global data protection regulations, including the GDPR and CCPA, and helps Japanese clients with global data protection compliance by working closely with local counsel. His practice area includes legal issues relating to AI (especially generative AI) and the protection of cybernetic avatars. He is an adjunct project professor at Keio University Graduate School of Law (2023-present).
information laws, he is particularly adept at delivering advice to both foreign and domestic clients on complex business structures spanning vast content and communication- related industries, including internet-related services, social networking services, games, music, movies and telecommunications. His expertise also extends to IP-related transactions, concerning licensing and dispute resolution aspects in the subsidiary fields of infringement litigation, invalidity trials, appellate litigation and arbitration, and licensing in relation to intellectual property, including patents, trademarks and copyright.
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