From a research at 500 Europe-based companies, the paper shows that the four least adopted open innovation practices are :
- IP In-licensing
- IP Out-licensing
- Selling unused technologies.
- what should a CEO pay to tap into creations / inventions from third parties while engaging in-house top design and research teams ?
- why should a CEO give away the immaterial assets accounted in the book but left unproductive ?
 Open Innovation Adoption Patterns and Strategies: an Empirical Analysis,
Daria Podmetina, Ekaterina Albats, Iryna Maliatsina
Lappeenranta University of Technology, Kouvola, Finland
Cristina Marullo, Sant’Anna School of Advanced Studies Pisa, Italia
 Assessing two perspectives : academic vs practitioner, X-Open-Innovation, June 12. 2019