Protecting intellectual property and controlling the use of their inventions is key to the strategy of many firms. At the same time, in order to be successful in open collaborative innovation, firms need to share their knowledge with others. This chapter presents, for moderate specialists, some...

In this article, we attempt to extend and nuance the debate on intellectual property (IP) strategy, appropriation, and open innovation in dynamic and systemic innovation contexts. We present the case of four generations of mobile telecommunications systems (covering the period 1980-2015), and...