The protection that innovators obtain through intellectual property rights crucially depends on their incentives and ability to litigate infringers. Taking patents as a notable example, we study how the financing of legal costs can alter the incentives to litigate in defense of a petent and,...

We assess the effects of imitation and intellectual property (IP) protection in a model of industry dynamics in which the value of IP is eroded by further innovations and imitations. Innovations result from the development of ideas engendered by entrepreneurs. We find that innovation and welfare...