The emergence of the question prioritaire de constitutionnalité (QPC) has raised hopes among local and regional authorities for the defence of their rights and freedoms guaranteed by the Constitution. This gradually materialised in the recognition of new rights and freedoms in their favour by the Constitutional Council. They saw this as a way of making up for the shortcomings of a priori control, which did not provide them with a sufficient guarantee of their free administration. However, after a first decade of implementation of the QPC, it seems important to ask whether this litigation revolution has confirmed their expectations in the light of recent trends. This question is all the more legitimate in view of the first ten-year assessment confirming their disappointment. Thus, this article aims to ask whether hopes are still justified in the face of this half-tone assessment unfavourable to local authorities.