generating subsequent citations to patents as a lens for viewing knowledge diffusion. We find that the probability of patent … citation over time after a patent is granted fits well to a double-exponential function that can be interpreted as the mixture …

We compare the geographic location of patent citations to those of the cited patents, as evidence of the extent to …

technologies. Here we combine information from patent applications with bibliographic data to shine light on the second process …

introduction of the first regularized patent system, which appeared in the Venetian Republic in 1474. We begin by developing a …