representative panel data set of firms in Germany from 2002-2016, complemented by detailed geographic information of patent activity …

&D expenditures and patents. Our data allow a detailed analysis of the firm size distribution of R&D and patent applications at … patents in more than one country. The home patent office seems to be especially important for small firms. Using various count … different patent offices. It is shown that the share of R&D performing firms is strictly increasing with firm size. The share of …

challenger invests more into R&D in order to enter a new market than the incumbent. Thus, the patent racing model by Reinganum …

Patent renewal studies reveal a highly rightward-skewed distribution of patent values. Our approach elicits valuations … approximating those of the patented invention. This paper focuses on the full-term patents of the application year 1977 held by West …

How important is information disclosure through patents for subsequent innovation? To answer this question, we examine … the expansion of the USPTO Patent Library system after 1975. Before the Internet, patent libraries gave inventors access … to patent documents. We find that after patent library opening, local patenting increases by 17% relative to control …

We explore the tail of patented invention value distributions by using value estimates obtained directly from patent … holders. The paper focuses on those full-term German patents of the application year 1977 which were held by West German and U ….S. residents. The most valuable patents in our data account for a large fraction of the cumulative value over all observations …