We model early expectations about the value and technological importance ('quality') of a patented innovation as a … latent variable common to a set of four indicators: the number of patent claims, forward citations, backward citations and … important. Our measure of quality is significantly related to subsequent decisions to renew a patent and to litigate …

fertility of an innovation in generating more innovations cannot be observed. The menu of patent scope can be implemented with …It may be advantageous to provide a variety of kinds of patent protection to heterogenous innovations. Innovations … protection in order to be encouraged. We model the problem of designing an optimal patent menu (scope and length) when the …

motivation for using a market value equation to price knowledge assets is discussed and the theory behind this equation is … briefly presented. Then the empirical literature that relates Tobin's q or the market to book value ratio to R&D and patent … value of the modern manufacturing corporation is strongly related to its knowledge assets, and that patent measures contain …

This paper summarizes a number of studies which use patent data to examine different aspects of technological change … estimation of the value of patent rights based on European patent renewal data; and describes the use of patent data to estimate … the importance of R&D spillovers. It concludes that patent data represent a valuable resource for the analysis of …

While policymakers often assume venture capital has a profound impact on innovation, that premise has not been … address concerns that these results are an artifact of our use of patent counts by demonstrating similar patterns when other … measures of innovation are used in a sample of 530 venture-backed and non-venture-backed firms …

An inventor's own knowledge is a key input in the innovation process. This knowledge can be built by interacting with … of our new innovation-led endogenous growth model, in which innovations are produced by heterogeneous research teams of … model nests inside the innovation-based endogenous growth model. We estimate the model, which fits the data very closely …

determine idea inputs in invention based on the text of nearly every US patent granted during 1836-2010. We find that inventions …

engaging in infringement. Our empirical analysis shows that on average, NPEs appear to behave as opportunistic patent trolls … ability to defend themselves against litigation. We find that NPE litigation has a real negative impact on innovation at … innovation in the industries in which they are most prevalent …

The pace of innovation is related both to the level of investment in innovation and the pool of knowledge from which … and design of IPR affects the extent to which any innovation adds to or subtracts from the pool of ideas that are … lead to a lower pace of innovation, and more generally, that long run effects may be the opposite of the short run effects …

to gauge how efficiency in the patent market affects growth …