fertility of an innovation in generating more innovations cannot be observed. The menu of patent scope can be implemented with …

improve on counts in studies which require a measure of the extent of innovation. A simple renewal based weighting scheme is …

analysis proceeds in stages. It begins with an exogenous rate of innovation in order to focus on the first two components. The … last two components are added by endogenizing the rate of innovation. Finally, the paper considers the role of foreign …

How do non-practicing entities ("Patent Trolls") impact innovation and technological progress? Although this question …", who exploit the patent system to extract rents and thereby hurt innovation. We employ unprecedented access to NPE … also find that downstream innovation drops in fields where patents have been acquired by NPEs. Finally, our numerical …

's innovation surveys, and firms' patent, industrial design, and trademark filings with the Chilean IP office. We use these data to …-to-the-world product innovation, which suggests that branding may be an important mechanism to appropriate returns to innovation in a …

innovation and international technology transfer in general. The literature suggests that patent protection in a host country … encourages technology transfer to that country but that its impact on innovation and development is much more ambiguous. We then … externalities, implies that patent protection may not be the optimal instrument for encouraging innovation in this area, especially …

pharmaceutical patent protection alone does not stimulate domestic innovation, as estimated by the US patent awards (both raw counts … innovation acceleration and technology transfer, conditional upon certain country variables. In particular, the interaction …Research on the effects of patent protection on innovation and technology transfer in the cross-country pharmaceutical …

Do intellectual property (IP) rights on existing technologies hinder subsequent innovation? Using newly-collected data …'s short-term IP had persistent negative effects on subsequent innovation relative to a counterfactual of Celera genes having …