Patent citation data are used in a growing body of economics and business research on technological diffusion. Research …. “Forward” citations (citations to the firm’s patents made by other patents) have been interpreted as a measure of the knowledge … diffusing outward from the patenting entity. Until now, there exists little evidence on whether or not patent citations are a …

, process) and on the existence of a patent protection or not. We obtain a three-equation model that links the values of product … and process innovations to the value of patent protection. This model and the feature of the data imply the estimation of … a censored trivariate Probit model. We reach two main conclusions. First, the value of patent rights increases the …

destruction by increasing the entrepreneurial effort allocated to high-quality invention projects. Using detailed data on patents …

patents; however, most patent databases contain no information on whether patents have been commercialized, i.e., whether … innovations have been introduced in the market. This paper applies a new method to identify innovations in patent databases by … relating traditional patent quality indicators (patent renewal, patent equivalents and forward citations) to patent …

This paper analyzes the effect of an increase in patent scope on R&D and innovation. It presents a model where patent … duplication of R&D. The model predicts that an increase in patent scope can increase the probability of innovation if the … technology. However, when the model is extended to Stackelberg competition or licensing, the benefit of a broad patent scope to a …

each industry starting from the NBER patent data set (63_99) using the mean forward citations lag data as the fundamental … variable of our analysis. In fact we follow the idea that each patent number of citations grows untill a point from which it …

relatively larger stock of accumulated knowledge (stock of citation-weighted patents), relatively higher R&D inputs (R …&D-intensity), but they are more likely to generate no R&D output (citation-weighted patent- intensity) before they are acquired. We …

is briefly presented. Then the empirical literature that relates Tobin's q to R&D and patent measures is surveyed and new … corporation is strongly related to its knowledge assets, and that the patent measures contain information about this value above …

database on Swedish patents owned by individuals and small firms, this paper analyzes how different forms of external financing … influence the outcome when patents are commercialized. The estimations show that projects with soft government financing in the …