Please wait while the page is loading...


TMI Associates


Since our establishment, intellectual property, has been the cornerstone of our practice. We take immense pride in our unparalleled experience and accomplishments in this field. TMI boasts a team of 94 patent attorneys (benrishi) and approximately 80 IP lawyers (bengoshi), complemented by 9 technical specialists and 106 patent paralegals. This unique organizational structure empowers us to respond effectively and efficiently to clients' needs across diverse industries and global landscapes.

Our seamless collaboration between bengoshi and benrishi allows us to excel in all aspects of intellectual property law. Our services encompass patent prosecution, litigation, intricate transactions like patent sales, acquisitions, and licensing agreements, as well as matters before the Japan Patent Office (JPO). We provide expert opinions on infringement, freedom to operate (FTO), validity, pre-litigation evaluations, due diligence, patent term extensions (PTE), and manage import suspensions.

At TMI, we are more than legal practitioners; we are strategic partners dedicated to safeguarding and enhancing our clients' intellectual property portfolios. Our unwavering commitment to excellence and a comprehensive approach make us the trusted choice for navigating intellectual property complexities, regardless of their complexity or scope

IP Experts



23rd Floor, Roppongi Hills Mori Tower

6-10-1 Roppongi, Minato-ku, Tokyo 106-6123






Contact Person:

Toshifumi Onuki



No of Lawyers: