advance the notion of quadic patent family, defined as a patent family that consists of patent applications at the European … Patent Office, the Japanese Patent Office, the United States Patent and Trademark Office, and the national patent office of a … a sample of 38 countries. Our results indicate that quadic patent applications are driven by the need for accessing …

We estimate the value of Chinese invention and utility model patents that were applied for during two periods, 1987 …-1989 and 1986-1998. We find that patents applied for by foreign entities invariably have higher value than do those applied for … by domestic entities, and the gap is significant. The total value of invention and utility model patents in the 1987 …

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

is very important. For our research we made use of the EPO (European Patent Office) database on patents. We used the … number of forward patent citations per patent to identify radical from non-radical inventions. For our analysis we used the … backward patent citations per patent. In order to test if the two groups we are considering are truly different and to see on …

the effects of patent life and patent breadth on market outcomes. To answer these research questions, an evolutionary …

using data on trademarks filed at the United States Patent and Trademark Office (USPTO), the study identifies those firms …

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 …

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 …