Mori Hamada & Matsumoto Tokyo Office‘s ‘excellent’ team has extensive expertise in TMT-related litigation, restructuring, transactions, and regulation. The team, jointly by Koichiro Iida, Hiromi Hayashi, and Atsushi Okada, recently advised the Japanese government on addressing the challenges posed by Artificial Intelligence. Iida specialises in business regulation within the TMT sector, while Okada focuses on domestic and international compliance in areas like data protection, telecoms, and AI. Hayashi supports clients in launching new services and devices in the TMT industry. Daisuke Tsuta is noted for his cybersecurity and data protection expertise, while Norihito Sato brings significant experience in M&A within the automotive sector.
TMT: Independent local firms in Japan
Mori Hamada & Matsumoto Tokyo Office
Responsables de la pratique:
Koichiro Iida; Hiromi Hayashi; Atsushi Okada
Autres avocats clés:
Daisuke Tsuta; Norihito Sato
Les références
‘Mori Hamada & Matsumoto is one of the top law firms in Japan with many excellent lawyers that can handle any legal issue we consult. Excellency is the right term to describe the team.’
‘Norihito Sato is a star whose engagement is exceptional. He is an extremely reliable lawyer who always strives to understand the client’s situation.’
‘The team fully understands our complex business, situation and demand, in addition to its general legal and business knowledge. They always respond quickly, so the project goes smoothly and they are very helpful.’
Principaux clients
Hitachi Ltd.
Toshiba Corporation
Z Holdings Corporation
Nippon Telegraph and Telephone Corporation (NTT)
SoftBank Group Corp.
Safie, Inc.
Principaux dossiers
- Advised JIC Capital, Ltd. on its acquisition of Shinko Electric Industries Co., Ltd.
- Advised Japan Industries Partners, Inc. as a fund counsel on its acquisition of Toshiba Corporation
- Advised Hitachi, Ltd. on the capital restructuring of Hitachi Astemo, Ltd. including issuance of preferred shares of Hitachi Astemo, Ltd. to JIC Capital, Ltd. as a domestic private equity fund, and partial sale of Hitachi’s shares in Hitachi Astemo, Lrd. to Honda Motor Co., Ltd.
Nagashima Ohno & Tsunematsu
Praised by clients for its ‘exceptional ability to address the evolving legal landscape’, the team at Nagashima Ohno & Tsunematsu‘s advises clients on both domestic and cross-border regulatory and transactional matters across the IT, telecoms, entertainment, and media industries. The team is jointly led by Soichiro Fujiwara, who advises traditional and newly transformed tech companies on software and online gaming matters, and Keiji Tonomura, who brings a unique combination of M&A, IP, and tech-related expertise. Ryo Okubo is well-versed in space and IT matters, particularly for start-ups and tech companies, while Masaki Mizukoshi is a member to note in relation to Japanese broadcasting laws and media-related transactions.
Responsables de la pratique:
Soichiro Fujiwara; Keiji Tonomura
Autres avocats clés:
Ryo Okubo; Masaki Mizukoshi
Les références
‘Nagashima Ohno & Tsunematsu’s TMT practice distinguishes itself through its exceptional ability to address the evolving legal landscape and complex regulatory environment.’
‘Mr. Keiji Tonomura is an excellent lawyer who always forms appropriate opinions based on his knowledge. He has a good knowledge of cyber technology and strongly contributes to resolving cyber-related incidents.’
‘The team provides very detailed, timely and pragmatic advice while balancing technical legal knowledge with strong commercial acumen. They have expertise in handling complex regulatory matters and liaising with the relevant authorities to quickly resolve issues.’
Principaux clients
Airbnb
NTT Corporation
Fuji Media Holdings, Inc.
Toyota Motor Corporation
Mitsui Fudosan Co., Ltd.
Broadridge Financial Solutions
Maezawa Yusaku / Maezawa Fund
Space Compass Corporation
ispace, Inc.
Komatsu, Ltd.
Mitsubishi UFJ Financial Group, Inc.
KADOKAWA Corporation
X (formerly known as Twitter)
Principaux dossiers
- Advised Warner Brothers Discovery on the expansion of the strategic partnership with JCOM on their joint venture.
- Advised D Capital in an acquisition of 100 per cent shares in Catalina Marketing Japan.
- Advised X (formerly known as Twitter) in cases relating to requests to delete tweets or disclose user information in Japan.
Nishimura & Asahi
Co-led by Asa Shinkawa and Yoshinobu Fujimoto, the team at Nishimura & Asahi advises clients on a range of matters where TMT plays an increasingly pivotal role, including data protection, international trade, crisis management, IT, and fintech-related matters. Hitomi Iwase specialises in legal issues surrounding emerging tech, including AI and the use of personal data, while Yoshiyuki Miyashita brings extensive experience in telecom-related transactions and dispute resolution involving software, digital platforms, and motion pictures. Takahiko Date is well-versed in managing M&A and corporate restructuring transactions. Kojiro Fujii is another key figure, focusing on innovative public policy and regulatory issues related to TMT and the digital economy.
Responsables de la pratique:
Asa Shinkawa; Yoshinobu Fujimoto
Autres avocats clés:
Hitomi Iwase; Yoshiyuki Miyashita; Takahiko Date; Kojiro Fujii
Principaux clients
Internet Initiative Japan Inc.
KDDI Corporation
Dai-ichi Life Holdings, Inc.
Olympus Corporation
Bain Capital Private Equity
Honda Motors Co., Ltd.
ITOCHU Corporation
Toshiba Corporation
SCSK Corporation
Principaux dossiers
- Advised Toshiba on its consideration of strategic alternatives, including a remarkable privatization.
- Advising Olympus on the business alliance among Olympus, Sony Corporation, and Sony Olympus Medical Solutions Inc., a joint venture company between Olympus and Sony. In the business alliance, Olympus and Sony will collaborate in developing next-generation gastrointestinal and respiratory endoscope systems.
- Advised Bain Capital Private Equity, LP (Bain) on its acquisition of all shares in Evident Corporation, a specified subsidiary of Olympus Corporation, which makes and sells precision machinery and instruments, for the purpose of acquiring Olympus’ Scientific Solutions Business.
Anderson Mori & Tomotsune
Anderson Mori & Tomotsune‘s group advises clients on all aspects of data protection and cybersecurity, advising domestic and international TMT companies on regulatory matters, litigation, M&A, finance, and crisis management. Miki Goto, an expert in IP, tech, and data-related matters, draws on his experience with the Japanese Digital Health Alliance to advise clients on emerging legal issues at the intersection of emerging tech and new healthcare products and services. Takashi Nakazaki supports both domestic and international clients with matters related to AI and the metaverse. Other members to note are Kensuke Inoue and Hitoshi Ishihara.
Responsables de la pratique:
Yasufumi Shiroyama; Yoshikazu Iwase; Akihito Nakamachi; Wataru Shimizu; Miki Goto; Masayuki Yamanouchi; Nobuto Shirane
Autres avocats clés:
Takashi Nakazaki; Kensuke Inoue; Hitoshi Ishihara.
Les références
‘The team is well-organized and capable of addressing various issues in small groups, maintaining consistency with the firm’s policies. Their friendly and caring attitude fosters a sense of reassurance in clients. Such humane acts can make a significant difference.’
‘Mr. Takashi Nakazaki always gives us clear and dedicated advice.’
Principaux clients
Toyota Motor Corporation
Murata Machinery (Muratec)
Firstface Company Ltd.
DENSO Corporation
AISIN Corporation
Jtekt Corporation
Advics Co., Ltd.
Ushio Inc.
BluE Nexus Corporation
Taiyo Holdings Co., Ltd.
Kaken Pharmaceutical Co., Ltd.
Amazon Japan G.K.
Japan Digital Space Economy Federation
Personal Information Protection Commission
CMIC Holdings Co., Ltd.
Bandai Namco Entertainment
Rakuten Vissel Kobe, Inc.
Sony Corporation
Nissin Kogyo Co., Ltd.
Japan Digital Health Alliance
Principaux dossiers
- Advised USHIO Inc. in its strategic technology alliance and licensing agreement with Applied Materials, Inc.
- Advised Japan Digital Health Alliance in digital healthcare technology, such as AI-based healthcare products and services.
Atsumi & Sakai
Atsumi & Sakai‘s IT and TMT team advises clients on AI-based system development and service implementation to support its clients' business expansion. Co-led by Chie Kasahara and Harukuni Ito, the team also has expertise in data protection compliance and has been commissioned by Japanese agencies to conduct surveys on related topics. Kasahara focuses on protecting the intellectual property rights of both domestic and international clients in relation to rapidly evolving technologies. Another key member is Takafumi Ochiai, who brings extensive experience in dispute resolution and regulatory matters related to finance and information technology.
Responsables de la pratique:
Chie Kasahara; Harukuni Ito
Autres avocats clés:
Takafumi Ochiai
Principaux clients
Revox, Inc
Principaux dossiers
TMI Associates
The team at TMI Associates is well-versed in advising emerging IT and communications businesses, with a particular focus on dispute resolution for all matters related to IT and intellectual property matters. Team leader Atsushi Igarashi assists domestic and international companies on data and privacy protection, e-commerce, and search engine issues. Mihoko Shintani handles matters in advanced technology sectors such as robotics, AI, satellite data, and space business, while Takuya Yamago, with a background at the Japanese Ministry of Internal Affairs and Communications, focuses on telecoms laws and regulations. Other members to note include Tetsuya Oi and Tomoo Shibano.
Responsables de la pratique:
Atsushi Igarashi
Autres avocats clés:
Mihoko Shintani; Takuya Yamago; Tetsuya Oi; Tomoo Shibano
Principaux clients
ARM Treasure Data Inc.
LINE Corporation
Avatarin, Inc.
Synspective, Inc.
GITAI, Inc.
ANA NEO Co., Ltd.
Principaux dossiers
- Advised ANA Holdings regarding the development of a new game.
- Advised Avatarin, Inc. on all legal work in “AVATAR project” which aims to develop avatar as a social structure and conduct various avatar demonstration experiments promoted through industry-academic collaboration.
City-Yuwa Partners
Jointly led by Arata Nomoto and Yumiko Aoi, City-Yuwa Partners‘ team provides comprehensive legal services across all areas of the TMT sector. Its expertise includes counselling, negotiation, documentation, and regulatory guidance related to software licensing, system development, and content creation. Nomoto specialises in advising digital entertainment and IT clients on IP-related transactions and regulatory issues, while Aio represents both domestic and international clients, especially in the tech industry.
Responsables de la pratique:
Arata Nomoto; Yumiko Aoi
Les références
‘City-Yuwa Partner’s uniqueness is in its dedication to clients. They prepare documents for legal disputes within a very short time.’
Principaux dossiers
Shusaku Yamamoto Patent Law Offices
Shusaku Yamamoto Patent Law Offices advises a variety of domestic and international clients in the TMT sector on cybersecurity, cryptocurrency, and blockchain-related matters. Led by Kensaku Yamamoto, the team handles multi-jurisdictional infringement litigation, patent term extensions, and regulatory matters. The firm also benefits from Yamamoto’s extensive expertise in pharma law.
Responsables de la pratique:
Kensaku Yamamoto
Principaux dossiers
Ushijima & Partners
Ushijima & Partners‘ team assists clients in leveraging the latest information and communication technologies, including system development for financial institutions, big data analysis, and addressing internet defamation. Led by Hiroyasu Kageshima, who has extensive experience in IT system development and data leakage, the team also includes Kohei Tsuji, who specialises in data privacy with a focus on multi-jurisdictional matters.
Responsables de la pratique:
Hiroyasu Kageshima
Autres avocats clés:
Kohei Tsuji