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Choi, Jay Pil; Gerlach, Heiko A. - 2015

This paper develops a model of patent trolls to understand various litigation strategies employed by nonpracticing entities (NPE). We show that when a NPE faces multiple potential infringers who use related technologies, it can gain a credible threat to litigate even when it has no such...

Persistent link: https://www.econbiz.de/10011344729

Patent pools, litigation and innovation

Choi, Jay Pil; Gerlach, Heiko A. - 2013

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. …

Persistent link: https://www.econbiz.de/10010199442

A theory of patent portfolios

Choi, Jay Pil; Gerlach, Heiko A. - 2013

This paper develops a theory of patent portfolios in which firms accumulate an enormous amount of related patents in diverse technology fields such that it becomes impractical to develop a new product that with certainty does not inadvertently infringe on other firms ́patent portfolios. We...

Persistent link: https://www.econbiz.de/10010189838