Founded in 1902, YUASA AND HARA is a leading Japanese law, patent and accounting firm offering
comprehensive legal and accounting services. The firm has four divisions: Patent Division, Law Division, Trademark and Design Division, and Accounting Division. Each of these divisions is staffed by teams of dedicated professionals having exceptional qualifications, expertise, and experience.

Patent Division offers a full range of intellectual property services in the preparation & prosecution of applications, oppositions, and trials, as well as in licensing, and litigation associated with patent and utility model rights, prosecuted in cooperation with experienced Attorneys-at-law from Law Division across a broad range of technological fields.

Through its technical insight, strategic approach, and international capabilities, Patent Division has earned recognition as one of Japan’s leading patent practices in a wide range of technical field. We are committed to delivering precise analysis and reliable execution to safeguard the technological and commercial value of our clients’ innovations.

Among its most distinguished capabilities is the Life Science & Chemistry Group within the Patent Division, a team recognized for its deep scientific insight and extensive patent expertise across pharmaceuticals, diagnostics, genetic engineering, regenerative medicine, food science, and biomass-related technologies. We have successfully worked on number of high-complexity cases including patent prosecution, opposition, patent term extension for pharmaceuticals, invalidation trial, and litigation in a variety of technical field.