关键词: 专利; 卒中; 发展态势; 申请人; 智慧芽

Abstract: Objective To analyze the development trends of patents in stroke field in China based on PatSnap patent information, and provide reference for the strategic decision and science and technology innovation of relevant government departments, enterprises and research institutions. Methods Based on the PatSnap patent database, the patent literatures in stroke field applied in Intellectual Property Administration of China from 2000 to 2020 were searched, and the application trends, main patent technologies and development trend, main applicants, important patents, patent licenses and other aspects were analyzed. Results In the past 20 years, the number of patents applied in stroke field in China summed up to 15 160, and the trend continued to grow. The main technologies focused on drugs for treatment of cardiovascular diseases, pharmaceutical preparations containing organic active ingredients, drugs for treatment of neurological diseases. The main applicants were foreign pharmaceutical companies such as Hoffman Laroche Co, Ltd, followed by domestic universities. Patents with the largest scale, the most claims and the highest market value were all applied by foreign subjects. Since 2004, the highest percentage of patent license per year was 3.12%. Conclusions In the field of stroke, foreign patent technologies had a great impact on Chinese technological innovation. The patent quantity and quality of domestic subjects urgently need to be improved. It is suggested that domestic subjects should pay attention to the undeveloped research field. The patent license should be encouraged to promote stroke research development in China. 【Key

Key words: Patent; Stroke; Development Trend; Applicant; PatSnap