Written by: Alexandre Delacour & Marta Cerafogli

Edited by: Clelia Vettori

Supervised by: Syuzanna Kirakosyan

On 7 March 2024, after decades of close partnership, Sweden finally joined NATO. Its accession followed a strict process involving the approval of all Parties of the Alliance. Before this pivotal moment, Sweden’s application to NATO was engaged in an unstable diplomatic negotiation between former Allies. This paper aims to analyse the legal framework and the future setup of NATO after this substantial transformation.