Showing 1 - 10 of 1,161
We study the causal impact of invalidating marginally valid patents during post-grant opposition at the European Patent Office on affected inventors' subsequent patenting. We exploit exogenous variation in invalidation by leveraging the participation of a patent's original examiner in the...
Persistent link: https://www.econbiz.de/10012033571
We document the occurrence of process claims in granted U.S. patents over the last century. Using novel data on the type of independent patent claims, we show an increase in the annual share of process claims of about 25 percentage points (from below 10% in 1920). This rise in process intensity...
Persistent link: https://www.econbiz.de/10013175193
We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …
Persistent link: https://www.econbiz.de/10012139072
otherwise visible to society. We develop a structural model of initial and follow-on innovation to determine the effects of such … a shift in disclosure on overall welfare in industries characterized by cumulative innovation. We find that while … significant decline in follow-on innovation. …
Persistent link: https://www.econbiz.de/10012060814
From a firm’s perspective two competing forces are driving the decision to invest in innovation. On the one hand …, innovative performance is an important driver of profitability and growth. On the other hand, investments in innovation suffer …
Persistent link: https://www.econbiz.de/10012623469
. While the individual effects of engaging in the listed practices on firm innovation are well-understood, the existing … sample of innovation-active firms from the German Community Innovation Survey, which includes information on the development … of standards, enhanced with information on firms' engagement in patenting and publishing. We find that 26% of innovation …
Persistent link: https://www.econbiz.de/10013266316
We study the blocking effect of patents on follow-on innovation by others. We posit that follow-on innovation requires … freedom to operate (FTO), which firms typically obtain through a license from the patentee holding the original innovation …. Where licensing fails, follow-on innovation is blocked unless firms gain FTO through patent invalidation. Using large …
Persistent link: https://www.econbiz.de/10014503038
-recognizes learning and innovation in agriculture and its crossover supplier segments with manufacturing. The sections analyze … manufacturing bias; demand's effects; and differences in the technological process and links between agriculture and manufacturing …. It then analyzes the learning implications of two theories - unlimited labor and induced innovation - on economic …
Persistent link: https://www.econbiz.de/10012057489
some of the main findings from the historical view of Brazilian agriculture development. The arguments should rest here on …
Persistent link: https://www.econbiz.de/10012060354
marketplace inventions. Our study informs the debate on the merits of science for corporate innovation and the origins of …
Persistent link: https://www.econbiz.de/10012139030