Recently, the Chinese patent application in the global patent family with the theme "A method and medicine for preventing or treating osteoarthritis", filed or owned by Tyrnagi International Co., Limited, has been granted. Previously, the corresponding applications in this patent family had been approved and granted in both Japan and the United States. Beijing Caihe Law Firm and Beijing Tangsong Yongxin Intellectual Property Agency Co., Ltd. were entrusted by Tyrnagi International Co., Limited to provide full-process consulting services for the Japanese and US applications of this patent family, and full-process agency services for the Chinese application.