Number of patent applications to the European patent office

Gabrovo is the top region by number of patent applications to the EPO per million inhabitants in Bulgaria. As of 2012, number of patent applications to the EPO per million inhabitants in Gabrovo was 22.24 units per million of inhabitants that accounts for 29.38% of Bulgaria's number of patent applications to the EPO per million inhabitants. The top 5 regions (others are Kyustendil, Sofia (stolitsa), Dobrich, and Plovdiv) account for 85.11% of it. Bulgaria's total number of patent applications to the EPO per million inhabitants was estimated at 75.7 units per million of inhabitants in 2012.