For the years prior to the current year, the files will be grouped monthly, except for the years prior to 2016, which will be grouped annually.
Bibliographic and images: are generated daily. Daily downloading files by publication date and monthly files by the publication month.
Authority File: Inventory of all the publication numbers of Patents and Utility Models made by the OEPM from 1826 to the current date.
It is a single download file that includes annual data files. The data is updated monthly.