Sweden and Spain have developed very distinct systems of innovation over the long term. The former has a highly … cooperation patterns we apply social network analysis methods and study co-patent networks in Sweden and Spain during the second … was greater in Sweden than in Spain. This research opens new paths for further studies both on economic history and …

in this sector and the relative time lag between the citing and cited patents. …

) estimators. Estimates using system GMM estimators show a moderate degree of persistence in EPO patents per capita with an … (ICT) patents measured as the share of ICT patents in total patents has a significant and positive impact on EPO patents … protection, human capital intensity and GDP per capita, are significantly positively related to EPO patents per capita in the …

a low number of patents per unit of R&D in one country yet actually be more productive than the same industry in another …

entry and we also detect an impact of the prizes on the quality of contemporaneous patents, especially when prize categories …

This paper investigates the relationship between patents and research and development expenditures using new …

litigious NPEs enforced many patents from product companies and public companies, the patents enforced by random companies were … more likely to come from larger and better funded companies. Additionally, the data implies that patents obtained by … considered, software patents are no longer a statistically significant predictor of invalidation.The layering of the system shows …