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 …

creation alliances lead to more valuable patents as they receive significantly more forward citations per patent. Knowledge …

linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 … innovation for a particular technology class to build on, then that technology class innovates more. …

diffusion decreases both in technology imitation among innovators and in technology adoption by entrepreneurs. Patents are an … and the state of technology embodied in new capital goods. Within this framework, we investigate the obstacles to …

and the state of technology embodied in new capital goods. Within this framework, we investigate the obstacles to … diffusion decreases in both the technology imitation and adoption processes does it lead to high market concentration and … markups, falling labor share and productivity growth. Patents are an important obstacle to knowledge diffusion. We find an …

patenting, our results further suggest that knowledge creation alliances lead to patents that are filed to protect valuable …

Network has been involved in the sharing of grassroots technology developed in India with Kenya, notably a food processing … invest in grassroots innovation initiatives, and Network members identified many conditions that would make Kenya the right … of the dynamism of the informal sector. Lessons from the Network’s experience in Kenya and its technology transfer …

We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …

We study the blocking effect of patents on follow-on innovation by others. We posit that follow-on innovation requires … patents on low-value original innovations, invalidation predominantly increases low-value followon innovation outside the … contrast, for patents on high-value original innovations, invalidation mainly increases high-value follow-on innovation in the …

We test whether intellectual property rights (IPRs) foster or hinder innovation by estimating IV structural equations …