The recent surge of patent disputes plays an important role in discouraging firms from entering new technology domains … at EPO between 2000 and 2015, we construct a new measure of litigiousness using patent opposition data. We find that the … degree of litigiousness and the density of patent thickets negatively affect the likelihood of firms entering new TDs. Across …

-in-difference approach on an original dataset of patent-paper-pairs we are able to estimate the causal effect of the granting of a patent on … applicability of an innovation is further affects the relation. To address these issues we build a novel dataset matching patent …

quality of the patent granting process. To do so we examine a policy change that aimed at including the information revealed …, suggesting that the process of patent granting has become more careful and selective after the policy implementation. …

inventions. We combine patent analysis with computational toxicology and develop a methodological roadmap to measure patent … toxicity, that is, the extent to which a patent includes “components” (or compounds) that are toxic to humans and/or the … measurement of patent toxicity opens up interesting avenues for future research and, potentially, has some strong policy …

criteria of novelty or non-obviousness. In recent decades, many jurisdictions introduced patent reforms to avoid weak patent … applications and improve legal patent quality. In particular, the Leahy-Smith America Invents Act (AIA), enacted into law in 2011 … any third party to question granted patents, possibly leading to patent revocation or scope reduction. This paper aims to …