Mr Shunji Matsuda > Nagashima Ohno & Tsunematsu > Tokyo, Japan > Lawyer Profile

The team at Nagashima Ohno & Tsunematsu handles both IP litigation and transactional matters, including due diligence, licensing, and R&D agreements, with a focus on tech areas like AI and big data. Shunji Matsuda leverages his extensive experience with the Japanese government and public sector agencies to advise clients on IP litigation, while Kenji Tosaki is well-versed in pharma-related IP disputes. Keiji Tonomura has deep expertise in domestic and cross-border IP and IT transactions, including data security and privacy. Atsushi Yamaguchi was promoted to partner in January 2024.