World share (%) of patent applications filed under PCT(1), 2000 - 2018

Science, Research and Innovation Performance of the EU 2022. European Commission.

Source: DG Research and Innovation - Common R&I Strategy and Foresight Service - Chief Economist Unit based on Science-Metrix using EPO PATSTAT database. (1) Notes: Patent Cooperation Treaty (PCT) patents, at the international phase designating the European Patent Office. Fractional counting method, inventor’s country of residence and priority date used.