In Section 14.2, the theoretical background is portrayed by discussing the various phases in a co-innovation partnership: the initiation, partner-selection, formalization, implementation and evaluation phases. In Section 14.3, a descrip- tion of the case of the co-innovation partnership between and its preferredflavour suppliers is provided. In Section 14.4, an in-depth description of the different phases of the co-innovation partnership is given from the perspective ofand the perspectives of the respective flavour houses. In Section 14.5, thekey determinants per co-innovation phase are presented with reference to thecase study, and the managerial implications for co-innovation in the food industry are discussed.