firms may protect their inventions by means of intellectual property rights, such as patents. By taking out a patent … of patents on the dissemination of R&D findings is, however, insignificant. Therefore, we conclude that patent … functioning of the contemporary patent system. We find that patenting firms are being less confronted with imitation. The effect …

plant size. We further find lagged negative effects on the (citation-weighted) number of filed patents. …

in imports from China on innovation in the US manufacturing sector. We combine patent, firm and trade data during 1990 … positive effect on firm innovation, as measured by citation-weighted patent applications. This positive effect persists when we …

in the context of the US government’s procurement of R&D. We link tender, contract, patent, and office records to the …&D contract to generate patents. We provide suggestive evidence that backlogged contracting officers are unable to devote enough …

linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its …-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong …

We study the prevalence and traits of global collaborative patents for U.S. public companies, where the inventor team … is located both within and outside of the United States. Collaborative patents are frequently observed when a corporation … is weak. We also connect collaborative patents to the ethnic composition of the firm's U.S. inventors and cross …

. Domestic innovation is measured as citation-weighted domestic patents filed at the European Patent Office (EPO): to account for … to patent at the EPO. Results show that, in the short-run, IPR stimulate innovation. The effect for developing countries …

the optimal mix of patent and trade secrets when the innovator faces a strict novelty requirement and can only patent a … innovator can successively patent different fragments of the process. We compare a regime with prior user rights, when the …

remaining career. We use European patent data for a period of 32 years for 1240 German inventors. The patent data are linked … of inventors applying for the first patent after completing education or being in the highest quartile of citations … received for the first patent. The higher career productivity seems to be a consequence of higher individual ability rather …