Global patent analysis on coronavirus vaccine

Based on the patent information related to coronavirus vaccine, the present situation and development trend of coronavirus vaccine have been analyzed. Since the outbreak of SARS in 2002, the amount of patent applications of coronavirus vaccine reached the peak in 2003. Since the outbreak of Middle East respiratory syndrome in 2012, there was a small increase on the amount of patent applications of coronavirus vaccine from 2012 to 2015. In view of the analyses of the key applicants and vaccine types, it is concluded that nucleic acid vaccine, inactivated vaccine and viral vector vaccine are the main vaccine types against coronavirus, which is consistent with the three types of vaccines that have entered clinical trials in China and the United States.