The launch event of the operational phase of INFN.Open (Open INnovation from Fundamental Nuclear research) was held on Tuesday 23 May at the INFN Gran Sasso National Laboratories. The goal of the INFN.Open project is to make available to society, and in particular to the industrial sector, the very rich heritage of technologies developed by INFN for its scientific research activities. The meeting saw the participation of the representatives of the INFN technology transfer community, and many representatives of institutions and companies. The event offered an opportunity to discuss the organization, procedures and actions that will be implemented to achieve the specific objectives of the project. All the participants were highly satisfied by the meeting, that offered the occasion for discussing the importance of technology transfer and the impact it can produce on civil and industrial society.