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You are here: Home / Data and maps / Maps and graphs / Patenting activity for climate-energy related technologies, EU-27

Patenting activity for climate-energy related technologies, EU-27

The graph descirbes the time trend of the number of patents applications (by priority date) at EPO (European Patent Office), by total number and the number in single classes of technologies (pollution and waste; renewable energies; vehicle emissions and fuel economy; energy efficiency).

European data


Additional information

Development of patent search strategies for various areas of ‘environmental’ technologies have been developed at OECD and have been used to produce the dataset (see a website dedicated to the ENV-tech indicator). EPO patent counts are based on data received from the EPO (EPO Bibliographic database, publications up to December 2011). 

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