Global patent applications for climate change mitigation technologies, 1990-2015

Notes

Index of 3-year moving average of patent families (1990=100). Only “claimed priorities” (i.e. patent family size > 1) included. Patent extractions from the EPO World Patent Statistical Database (PATSTAT) by OECD/ENV and IEA/EDC (2019). Dotted observations for 2016-2018 are “nowcasted” values based on ARIMA estimation and using previous versions of the PATSTAT database.