International audienceThis paper seeks to instigate a new area of research in the EPI (Early Purchasing Involvement) literature around the question: How should a purchasing function evolve in order to identify and capture innovation in the supplier market? Particularly, we attempt to characterize the specificities of the Innovation-Purchasing functions, an emerging function acting in the fuzzy-front-end of projects. The contribution of this paper is a reification of the role of an Innovation-Purchasing function in an Open Innovation context, through the description of Early Purchasing Involvement in the Innovation (EPI 2) agenda. Design/methodology/approach In this empirical paper, the data is collected through an internal benchmarking stud...