This paper investigates the optimal design of a patent challenge mechanism through the re-allocation of patent rights …, in which a successful challenger is rewarded with partial patent rights previously granted to the patentee. Two incentive … prior art, and whether and how to prevent collusion once the prior art has been found. Transferring patent rights to a …

witnessed by the fact that patent applications are very skewed in the covered trade names and patent thickness expands over time … pharmaceutical firms, between patent portfolio and profit margins. …

A current refrain in patent policy discourse is that “overly-broad” patents of “dubious validity” retard innovation. We … briefly review expressions of the thesis to show that they reduce to the allegation that disagreements over enforceable patent … scope and/or validity harm innovation. The Selden automobile patent is alleged to have been such a patent. We review the …

during the 19th and the beginning of the 20th centuries. Ceteris paribus, the decision to patent is based on the intuitive …, as well as by institutional issues such as the possibility of enforcing the patent monopoly – and the cost of obtaining …) characterize and analyze the Spanish institutional environment related to patents; b) explain the evolution of patent applications …

-sized enterprises. Survey data on commercialization of patents is related to patent quality indicators (patent renewal, patent family … size and forward citations) from archival sources. Among the patent quality indicators, both the length of patent renewal … and the size of the patent family indicate that a patent has been commercialized. Patent renewal for at least 6 years is …

Critics claim that patent screening is ineffective, granting low-quality patents that impose unnecessary social costs …. We develop an integrated framework, involving patent office examination, fees, and endogenous validity challenges in the … courts, to study patent screening both theoretically and quantitatively. In our model, some inventions require the patent …

development through competition. We provide a novel detailed empirical study of the extent and timing of designing around patent … Edison’s incandescent lamp patent in 1891-1894 stimulated a surge of patenting. We studied the specific design features of …-infringing designs by filing date. Most of these non-infringing designs circumvented Edison’s patent claims by creating substitute …

the door to a new examination of patent purposes, and to understanding some otherwise inexplicable characteristics of … patent law …

interac-tion between these two innovation tools by determining the impact of a crowdfunding campaign’s patent status on the … campaign’s success and de-livery. The first study examines 9,184 Kickstarter campaigns in patent-eli-gible categories to … determine whether patented or patent-pending labeled projects are more likely to reach their funding goal and in turn achieve …