This paper describes a new patent-based indicator of inventive activity. The indicator is based on counting all the priority patent applications filed by a country's inventors, regardless of the patent office in which the application is filed, and can therefore be considered as a complete...

This paper discusses the extent and the determinants of the internationalization of European inventive activity, between 1990 and 2005, using an innovative method to treat the information contained in the European Patent Office's Patstat database. We introduce a new set of indicators measuring...