With 128 Covid-19 related patents published between 2002 and 2022, Pfizer Inc holds the most number of Covid-19 patents across the world.
The second largest number of Covid-19 related patents were published by Chinese Academy of Sciences with 110 patents, of which 19.1% was contributed by its subsidiary Institute of Pathogen Biology. The third largest numberCovid-19 related patents were published by University of California with 83 patents. The fourth largest number of patents were held by Sun Yat-sen University with 71 patents. The fifth largest number Covid-19 related patents were published by Regeneron Pharmaceuticals Inc with 69 patents.
The top five patent holders, i.e., Pfizer Inc, Chinese Academy of Sciences, University of California, Sun Yat-sen University, and Regeneron Pharmaceuticals Inc, together held 461 Covid-19 patents during the period.
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