In the context of international economic and social territoriality restructuring, partnership takes on an important meaning. After consultation and consensus, the local partnership occurs as a form of social change. This change is characterized by a focusing on territory and agreement of social actors about partnership. This hypothesis is developed by the authors with the regulation approach. This paper is based on a literature review on partnership. It allows to get some cases of social partnership in post-industrial societies, in order to define the place of social actors, draw up the patterns of partnership and to express the conditions about equity in partnership. Finally, the paper get some challenges about the partnership in local development politics.