patent quantity is driven by knowledge exchange rather than joint R&D. Firms engaged in joint R&D, on the other hand, receive … more forward citations per patent indicating that joint R&D enhances patent quality. In light of literature on strategic …

identifying assumptions. Second, it presents estimates of the effect of patent protection on the depreciation rate. Results … suggest that the depreciation rate is in the 2–7 per cent range. Inventions for which a patent is granted are associated with …

theoretically that the risk of a scientist's departure raises the firm's propensity to patent an innovation and reduces its research … partly explains cross-industry patenting variation, recent increases in patenting, and why small firms have high patent …

This paper analyses whether strategic motives for patenting influence the characteristics of companies' patent … survey and patent data from German companies. We find clear evidence that the companies' patenting strategies explain the … characteristics of their patent portfolios. First, companies using patents to protect their technological knowledge base receive a …

Patent data provide a rich set of information which can be used for comparative studies and trend analysis. The paper … analysis. This paper discusses different indicators of technological specialisation, concentration, and patent quality are … analysed, including Revealed Technological Advantage (RTA) index, patent share, C20 concentration index, and Gini concentration …

This paper conducts a comprehensive study of patent citations in patents granted to Belgian corporate applicants by the … United States and the European Patent Offices using qualitative response variable analysis. The analysis uncovered different …