I3U – Investigating the Impact of the Innovation Union has just released their fourth newsletter. It opens with the reflections of Pierre Mohnen, the project’s scientific coordinator, on the state of the Innovation Union and the challenges it still faces. It then discusses the results of the final conference on September 25 as well as the September 10 conference. It also looks at the socio-economic impact of the Innovation Union’s commitments and the presentation of the project’s findings at the September 10 conference and the TAKE conference. Finally, it details some of the partners’ dissemination efforts, including the new book to be released, published papers, and articles in scientific journals.