The latest Patent Index shows that clean energy technologies are driving a surge in patent applications. New filings in the field of electrical machinery, apparatus and energy grew by 18.2% in 2022, and battery technologies (which is a sub-field herein) grew by 48%. Our experts discuss the leading countries in this exciting field and give insights into what is driving the innovations in clean energies, including hydrogen, batteries, wind, solar and geothermal energy. Moderator: Jeremy Philpott, Communications Manager, EPO Guests: Yann Ménière, Chief Economist, EPO, and Victor Veefkind, patent examiner, EPO See epo.org/patent-index2022