We present a potentially benign naked exclusion mechanism that can be applied to sequential innovation; a non …-patentable original innovation by the incumbent supplier fosters derivative innovation by rivals. In the absence of an appropriate legal … innovator. The former ban precludes the exclusion of socially beneficial derivative innovation by causing the incumbent supplier …

This paper analyzes patent pools and their effects on innovation incentives. It is shown that the pro …-competitive effects of patent pools for complementary patents naturally extend for dynamic innovation incentives. However, this simple … patents reduce social welfare as they charge higher licensing fees and chill subsequent innovation incentives. …