Mori Hamada's team advises a broad client base that includes major domestic and international tech companies, financial institutions, start-ups, blue-chip corporations, venture capital firms and private equity funds, amongst others. The team has deep expertise in telecoms, radio wave regulation and data protection; it frequently supports clients launching telecoms infrastructure and operations in Japan. The practice is jointly led by Koichiro Iida who advises TMT clients in complex matters, Hiromi Hayashi who has strong expertise in licensing and regulatory issues under the Telecommunications Business Act and the Radio Wave Act, and Atsushi Okada who advises international and domestic clients across areas including data protection, telecoms, AI and fintech, on the range of compliance matters. Other notable team members include Norihito Sato and Daisuke Tsuta.

Nagashima Ohno & Tsunematsu's team advises on the range of regulatory and transactional matters. It assists a wide range of clients across the IT, internet, broadcasting, telecoms and space sectors, as well as those in the media and entertainment industries such as television, music, advertising and professional sports. Leading the practice is Keiji Tonomura who supports clients by providing day-to-day legal guidance, and advising on business launches and TMT-related acquisitions and investments. Soichiro Fujiwara is a key contact for M&A and corporate work in high-tech sectors, including transactions involving AI, IoT, and fintech. Ryo Okubo also plays a significant role, frequently advising domestic and international clients, particularly start-ups and tech companies on legal matters relating to space, telecoms and IT services.

Nishimura & Asahi‘s offering advises on the broad range of issues across the TMT space. Its workload includes matters relating to IP, data privacy and protection, international trade, regulatory compliance, lobbying, M&A, joint ventures, antitrust, crisis management, litigation and corporate restructuring. The group is jointly led by Asa Shinkawa whose expertise lies in M&A, corporate governance, securities, and general corporate law, and Yoshinobu Fujimoto who is well-versed advising on TMT aspects of cross-border M&A and joint venture transactions. Kojiro Fujii advises on regulatory elements of the sharing economy and digital platforms, while Takahiko Date concentrates on corporate and securities law, especially in relation to M&A, joint ventures, corporate restructuring, management and leveraged buyouts.

Anderson Mori & Tomotsune's group provides advice to both domestic and international clients in regulatory compliance, litigious and transactional matters, including in crisis response, corporate and M&A, finance and antitrust contexts. Miki Goto brings particular expertise advising on the structuring and negotiation of complex, cross-border content licensing deals. Wataru Shimizu focuses on tech and IP, acting for leading Japanese companies and start-ups in sectors including automotive, IT, AI and machinery. Nobuto Shirane is highly experienced in tech-driven M&A and licensing transactions. The three head up the team alongside Yasufumi Shiroyama, Masayuki Yamanouchi, Akihito Nakamachi and Yoshikazu Iwase.

TMI Associates‘ team harnesses advisory and disputes expertise across a wide range of IT and IP matters, in particular. Its workload includes handling patent applications for IT systems, software-related contracts, website creation and compliance, domain name protection, digital content rights and online infringement matters, amongst others. The team is led by Atsushi Igarashi who assists clients in matters of data privacy, IP licensing, e-commerce, litigation and with search engine-related issues. Mihoko Shintani brings expertise in the deep tech sector, covering emerging fields such as AI, robotics, drones, satellite data and food tech. Takuya Yamago has experience assisting both domestic and international clients in establishing telecoms operations in Japan.

Atsumi & Sakai's practice advises across a range of business models, with particular strengths in drafting and reviewing PoC agreements, system development and maintenance contracts, terms of service, privacy policies and other related documentation. The practice is co-led by Chie Kasahara who focuses on licensing and regulatory compliance matters, and Takafumi Ochiai who provides guidance on registrations, applications, notifications and reporting requirements.

Shusaku Yamamoto Patent Law Offices' group advises both domestic and international clients in the TMT space, with a particular focus on areas such as cybersecurity, blockchain and crypto. Under the leadership of Kensaku Yamamoto, the team handles cross-border infringement litigation, patent term extension issues and various regulatory challenges.