Chinese firms handled a significant share of PCT applications often in partnership with domestic applicants. Japan and the US trail behind China, with variations in representation by law firms vs. corporate IP departments.

In total, European representatives managed 168,127 EPO patent applications. German agents led with 76,695 filings, followed by UK agents with 48,636 filings, making up 46% and 29% of European patent applications, respectively.

Samsung was the top patent holder which filed 106,392 patent applications. The company filed most in the US (34,114), followed by Korea, China, and Europe. Accounting for the number of prosecuted patent filings, Y.P.Lee, Yoon & Lee, [...]