The sense is opposite to the traditional closed innovation model, it is open toward the external environment. The first one to introduce this new paradigm has been Henry Chesbrough (2003a, b), based on the idea that a company may look outside of his field of Research and Development (R&D) to search new solutions generated by external actors, carry out profitable collaborations and partnership to realize successful projects, bring in knowledge from the ecosystem open, thus obtaining a reduction of costs and resources.