The authors consider the theory and evidence on the propensity of small and medium-sized enterprises (SMEs) to patent their innovations. Drawing on UK, European and US literature and data sources, they show that small firms are less likely to use patents as a means of protecting their investment...

The development and exploitation of new scientific and technological know-how is a prime engine of economic growth. Different innovation systems have developed different approaches to this problem and have built upon varying combinations of public and private support for R&D over time. In this...