Economic theory views patents as policy instruments aimed at fostering innovation and diffusion. Three major implications are drawn regarding current policy debates. First, patents may not be the most effective means of protection for inventors to recover R&D investments when imitation is costly...

Using a sample of 59 major European food and beverage multinationals and their 8,432 subsidiaries worldwide, we study the characteristics and evolution over time of their inventions. In doing so, we analyse: i) 8,626 EPO applications filed by these companies between 1978 and 2005; ii) 3,650 US...

Drawing on more than half a million granted patents in all technological sectors filed at EPO between 1998 and 2012 we gather information on 300,000 inscriptions affecting changes in their ownership at the EPO and top national registers (France, Germany, Switzerland, Spain). After grouping...