Building a rule-of-law-based democracy is a challenge for post-communist and post-war societies. Rule of law is a priority for these societies and also one of the membership criteria required by international organizations, in particular the European Union. As such, an aspiring country like Kosovo has to face the challenge of building a legal system that is compatible with that of the European Union member states while also developing its legal cooperation with other countries. Through international legal cooperation, countries strengthen the fight against criminal actions that are punishable in all modern states and also exchange experience in combating cross-border crime, trafficking, corruption, terrorism, and other violations of criminal law. In this regard, Kosovo faces many challenges in the field of international legal cooperation, not only with regard to those missions operating in Kosovo itself (such as EULEX, UNMIK, etc.), but also with other international organizations, especially due to Kosovo’s lack of membership in them. Another challenge is cooperation with countries that have not yet recognized Kosovo as a state. This article emphasizes the efforts made by Kosovo’s institutions to engage in international legal cooperation as one of the prerequisites for building the rule of law at home. The main issues tackled in the article are how these problems are addressed in practice, which obstacles arise, what the ad hoc means are of engaging in international legal cooperation, and what the specificities and prospects are for Kosovo’s international legal cooperation. As such, the aim of the article is to examine some of the legal peculiarities and uncertainties that have been created over the years as the result of limitations on Kosovo’s international personality and to consider innovative means to ensure Kosovo’s legal cooperation with other countries.