Patent cooperation treaty (PCT) applications designated to the EPO by priority year by international patent classification (IPC) sections and classes (1978-2013)

Filter Series

Series	Description	Direct Link
IPC.NR.EU27_2020	International patent classification (IPC) - total / Number / European Union - 27 countries (from 2020) (Unit: NR)	A
IPC.NR.EU28	International patent classification (IPC) - total / Number / European Union - 28 countries (2013-2020) (Unit: NR)	A
IPC.NR.EA19	International patent classification (IPC) - total / Number / Euro area - 19 countries (from 2015) (Unit: NR)	A
IPC.NR.EA18	International patent classification (IPC) - total / Number / Euro area - 18 countries (2014) (Unit: NR)	A
IPC.NR.BE	International patent classification (IPC) - total / Number / Belgium (Unit: NR)	A
IPC.NR.BG	International patent classification (IPC) - total / Number / Bulgaria (Unit: NR)	A
IPC.NR.CZ	International patent classification (IPC) - total / Number / Czechia (Unit: NR)	A
IPC.NR.DK	International patent classification (IPC) - total / Number / Denmark (Unit: NR)	A