Dimensions harvests records from patent offices in the following:
European Patent Office (EPO)
Bibliographic data from DocDB, the European Patent Office's (EPO) master documentation database covering data from over 100 countries.
Legal status from INPADOC, an event database produced by the EPO and covering over 50 international patent authorities.
Bibliographic and full text data from national patent offices as described in this table. You can filter by patent office / country via the "Jurisdiction" filter on the left-hand side when looking at patents in Dimensions (subscription required).
The top 10 jurisdictions by number of patents in Dimensions are: China, Japan, United States, Germany, EPO, South Korea, World Intellectual Property Organization (WIPO), United Kingdom, France, Australia.