This paper tests a number of hypotheses on the use and effectiveness of patents and trade secrets designed to protect … innovation. While previous studies have often considered patents and trade secrets as substitutes for one another, we investigate …

patenting, our results further suggest that knowledge creation alliances lead to patents that are filed to protect valuable …&D Collaboration ; Knowledge Exchange ; Patents ; Innovation ; Count Data Models …

scientific assignee and which are owned by corporate entities. Our findings suggest that faculty patents assigned to corporations …. Faculty patents assigned to academic inventors or to public research institutions, in contrast, are more complex, more basic …

academic patents protect more basic inventions than corporate patents. This study provides new evidence on the basicness of … academic patents using German professor patents linked to patent opposition data from the European Patent Office (EPO). Patent … oppositions are the most important mechanism by which the validity of patents filed at the EPO can be challenged. Controlling for …

holders. The paper focuses on those full-term German patents of the application year 1977 which were held by West German and U ….S. residents. The most valuable patents in our data account for a large fraction of the cumulative value over all observations …

publications as a means to preempt patents works. With focus on the semiconductor technology our results show that scientific … corporate publications threaten the novelty of patent applications if combined with other pieces of prior art like patents … operate ; patents ; semiconductor …