The 2nd edition of the "Patents for Innovation" International Summit & Expo (P4I 2023) will be organised in Madrid (Spain) September 27-28, 2023 and this event is now one of the largest European meeting point in Innovation and Tech Transfer. P4I Conference & Expo is born as a forum for technological innovation and also as a patent fair, thus allowing the creation of a market for the transfer of research results and the purchase and sale of scientific patents.