The Dispute Settlement Mechanism of the World Trade Organization (WTO) is facing serious crisis, which has impeded its normal function. To address this impasse, this article suggests a reform of the WTO’s dispute-settlement mechanism: the establishment of a new megamultilateral court to substitute for the Appellate Body. The first part of this paper addresses the reasons for considering this approach. The second part identifies how to establish a new mega-multilateral court within the WTO. The third part puts forward an idea of the function of the Dispute Settlement Body, which would serve as a forum for adjudicators and State Parties of the mega-multilateral court, in order to balance judicial independence, judicial accountability, and consistency. In discussing the reason for this reform, approaches to implementing it, and other examples of what form it might take, this article concludes that it is appropriate to establish a new mega-multilateral court within the WTO.