Guellec, Dominique; Martinez, Catalina; Zuniga, Pluvia - In: Economics of Innovation and New Technology 21 (2012) 1, pp. 1-29
We investigate statistically the characteristics, functioning and incidence of pre-emptive patenting, defined as patent filings whose main effect is to hamper the grant of other patents. Patent applications can be used defensively to prevent the grant of exclusive rights over markets and...