https://www.epo.org/en/searching-for-patents/data/coverage/regular

Updated regularly

Visit our Bulk Data Sets webpage to download the Publication, application, and priority numbers concordance table. 

The concordance table is updated weekly and describes the number formats used in the EPO's prior art collection, tools such as Espacenet, European Patent Register and PATSTAT, PISE services and the OPS API. 

File description File type File size Last updated Download
Overview of citation data in the EPO's citation database (REFI) PDF 254 KB W 34/2024 download
IP5 citations coverage as available at the EPO PDF 73 KB W 29/2023 download
Sources of information on national phase entries of EP patents PDF 13 KB W 29/2023 download
Where to find European patent documents PDF 131 KB W 33/2017 download