https://www.epo.org/en/node/where-can-i-find-information-epo-about
Where can I find information from the EPO about patent statistics?
Basic EPO production statistics such as filing rates by technical domain, residence of applicants and inventors, the most active patent filers, etc. can be found on the general statistics page, which contains a general breakdown by EPC contracting state (also published in our annual reports). An executive summary of the same statistics is included in the Facts and figures brochure.
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