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China Intellectual Property Statistical Yearbook 2021
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Statistics on Patent Applications and Grants by IPC
5-1 Patent Applications for Invention and Utility Model by Sections of IPC (2021)
5-2 Patent Grants for Invention and Utility Model by Sections of IPC (2021)
5-3 Patent Applications for Invention and Utility Model by Classes of IPC (2021)
5-4 Patent Grants for Invention and Utility Model by Classes of IPC (2021)
5-5 Patent Applications for Invention by Sections of IPC and Origin (2021)
5-6 Patent Grants for Invention by Sections of IPC and Origin (2021)
5-7 Patent Applications for Invention by Classes of IPC and Origin (2021)
5-8 Patent Grants for Invention by Classes of IPC and Origin （2021）
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