-location and diaspora effects for accessing knowledge. Then, using patent citation data associated with inventions from India, we …

immigrants patent at double the native rate, and that this is entirely accounted for by their disproportionately holding degrees …

patent property rights. Here we find that the initial missallocation of patent property rights is large and differs … substantially across patentees and technology fields. We also find that the probability of a patent being traded depends on a number … of factors - the age of the patent, the number of citations received by a given age, the patent generality and whether …

energy. The analysis is conducted using patent data on a panel of 25 countries over the period 1978-2003. It is found that … public policy plays a significant role in determining patent applications. Different types of policy instruments are …

companies. Start-up software companies operating in markets characterized by denser patent thickets see their initial … public if they operate in a market characterized by patent thickets …

issued by the European Patent Office (EPO) and the US Patent and Trademark Office (USPTO). We find that Tobin's q is … positively and significantly associated with R&D and patent stocks, but that only those patents taken out in both patent offices … citations, family size and the number of technical fields covered by the patent are modestly informative for value. Software …

We examine the home bias of international knowledge spillovers as measured by the speed of patent citations (i …

Patent data have been widely used in research on technological innovation to characterize firms' locations as well as … based on patent class data, including Euclidean distance, correlation, and angle between firms' patent class distributions … biased and imprecise measures of proximity. We explore the effects of larger sample sizes and coarser patent class breakdowns …