In 2018, almost 65% of all trademark filing activity – as measured in class counts – occurred at the top five offices. Increasing its share of the worldwide total, the office of China (51.4%) now accounts for more than half of all global trademark filing activity, primarily from Chinese residents. The other four offices among the top five each accounted for between about 3% and 5% of the total.

Source: WIPO Statistics Database, August 2019.