Current Challenges in Japan's Pharmaceutical Patent Regulatory Framework.

This research presents a comprehensive review of the regulatory framework for pharmaceutical patents in Japan by analyzing the foundational legal structures governing the pharmaceutical sector, with a focus on the marketing authorization and reimbursement pricing mechanism. Through an in-depth assessment of patent legislation and its pharmaceutical applications, the paper also highlights ongoing challenges within existing legislative and enforcement mechanisms, referencing key judicial decisions and prevailing industry practices. Furthermore, the study offers practical suggestions to address such challenges with reference to other countries' experiences and practices, aiming to enhance the protection of stakeholders' rights and promote the advancement of the healthcare sector, which ultimately contributes to innovation development and improved medical access in Japan.