Asia-Pacific Guide 2026 : Japan
Ranked Individuals
Provided by Mori Hamada
We advise on a wide range of matters in the life science and healthcare industries including transactions, regulatory advice, disputes, investigations and crisis management, as well as IP and data-related issues. We are committed to providing the best solutions, drawing on our extensive expertise and experience, as well as our attorneys’ secondments to the regulators. Our clients in this field include Japanese and international pharmaceutical and medical device companies; bio ventures; universities and other research institutions; healthcare and nursing care service providers; various public institutions; and food and beverage, supplements, and cosmetics businesses.
Provided by Chambers
Mori Hamada combines a strong corporate offering with notable expertise in healthcare law. The firm assists clients with pharmaceutical product and medical device licensing and development, as well as related patent protection, enforcement and litigation mandates. The team is regularly enlisted by leading Japanese and international clients on pharmaceutical and healthcare-related M&A transactions.
Provided by Chambers
Mori Hamada advised Johnson & Johnson on its agreement with Ortoma with regard to an AI surgery navigation system.
Provided by Chambers
We have received not only legal advice, but also advice that takes into account the company's management perspective. Responses are very quick and timely.
In addition to the abilities of individuals, the team is excellent in coordination and the entire office demonstrates depth and breadth. The team strives to understand our business and circumstances.
Provided by Chambers
Backed by a high level of expertise and meticulous legal analysis and based on a deep understanding of business, he gives very practical advice that is not one size fits all.
He negotiated strongly for us and negotiations went smoothly, facilitated by his understanding of industry standards.
Takamasa Horio is a notable practitioner assisting pharmaceutical and medical device companies with regulatory matters. Clients benefit from his experience working as part of government bodies in the life sciences space.
He has understanding of the business and in-depth knowledge of the practices of the Pharmaceutical and Medical Devices Act.
He has unparalleled knowledge of how to address regulatory compliance issues in the healthcare sector.
Head of Life Sciences
Head of Life Sciences
Provided by Mori Hamada
Atsushi Okada
Head of Department
Yasutaka Tokuda (Head of Dep.)
Chambers is the leading data and intelligence partner for the legal sector.
