I graduated from Eötvös József High School in Budapest in 2017, currently, I am a fifth-year law student at Pázmány Péter Catholic University. In 2019, I spent a semester at the University of Tübingen, and in 2021, I spent a semester at the University of Siena. Since 2019 I have been working as a journalist for Mandiner. In 2019, I was admitted to MCC, I graduated in 2021 from the School of History and Social Sciences (formerly: Specialization in Central Europe). Currently, I am a member of the Center for Political Science, where my research focuses on national and constitutional identity in the practice of German, Hungarian and Polish constitutional courts. In my paper, I explore the concept of national identity as formulated in the Lisbon Treaty and from this perspective, I examine the controversial issues between the Court of Justice of the European Union and national constitutional courts related to the jurisdiction and supremacy of the former, and the political impact of this question.