Last updated 30/10/2025CPC classification data: Weekly update. Weekly and monthly download files for the current year. For years prior to the current year, the files are grouped into a single file per year.
| Category | Format | Specification | Start date | Last date |
|---|---|---|---|---|
| CPC |
|
ST36 / es-patent-document-v1-2-1.dtd | 06/10/2013 | 26/10/2025 |
For the current year, click on the corresponding date in the calendar (only highlighted days) to get the file with the publication data for that week; or click on the month to get a single file with the publication data for that month. For years prior to the current year, scroll down and click on the file name corresponding to the year to get a single file with the data of all the publications for that year.
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