@article{wto:/content/papers/10.30875/25189808-2022-1, author = "World Trade Organization and Ting-Wei (Alex) Chiang and Xiaoping Wu", title = "Innovation and patenting activities of COVID-19 vaccines in WTO members", journal= "WTO", year = "2022", volume = "", number = "", pages = "", doi = "https://doi.org/10.30875/25189808-2022-1", url = "https://www.wto-ilibrary.org/content/papers/10.30875/25189808-2022-1", publisher = "WTO", issn = "", type = "", abstract = "This working paper provides a statistical analysis of 74 patent families which cover subject matter relevant to ten COVID-19 vaccines. These vaccines have accounted for 99% of the global COVID-19 vaccine production as of 31 December 2021, comprising over ten billion doses.", }