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Number of patents filed for renewable energy technologies, World, 2000 to 2016

Global number of patents filed under each renewable technology category per year. Note that figures for 2014-16 may be subject to a time lag; processing times of
patent applications vary and some patents submitted over this period may not yet be recorded in statistics. These figures will be updated with time if additional patent
applications are recorded.

20002001200220032004200520062007200820092010201120122013201420152016OtherMarineGeothermalHydropowerBioenergyWindSolar PV-Thermal HybridSolar ThermalSolar PV

Source: IRENA (& EPO PATSTAT)