This book collects the contributions to a conference of a group of young Polish and German public law scholars on the Constitutional Law of the European Union. The articles present a multi-faceted examination of unity and its realization in the primary and constitutional law of the EU, an analysis of EU constitutional structure in the face of diversity, and the independence of EU law from international common law, among other topics.

European Ungleichzeitigkeit: Introductory Remarks on a Binational Discussion about Unity in the European Union.- European Ungleichzeitigkeit: Introductory Remarks on a Binational Discussion about Unity in the European Union.- General Questions.- The Constitutional Treaty as a Reflexive Constitution.- Thoughts on a Methodology of European Constitutional Law.- Comment on Philipp Dann: Some Remarks on the Methodology of the “Constitutional Law” of the European Union.- The Primacy of European Union Law Over National Law Under the Constitutional Treaty.- Supremacy — Lost? Comment on Roman Kwiecie?.- The Democracy Concept of the European Union: Coherent Constitutional Principle or Prosaic Declaration of Intent?.- Comment on Niels Petersen: A Democratic Union: Coherent Constitutional Principle or Prosaic Declaration of Intent.- Institutional Aspects of the Constitution — Towards a New Institutional Balance?.- The Plurality of the Legislative Process and a System for Attributing Procedures to Competences.- The Concept of the “Legislative” Act in the Constitutional Treaty.- Comment on Alexander Türk: The Concept of the “Legislative Act”.- The Emperor’s New Clothes: The ECB and the New Institutional Concept.- Comment on Timo Tohidipur.- The Right to an Effective Remedy Pursuant to Article II-107 Paragraph 1 of the Constitutional Treaty.- Comment on Katharina Pabel: The Right to an Effective Remedy in a Polycentric Legal System.- Sectoral Differentiation in the Constitution.- Developments in the Area of Freedom, Security and Justice Brought About by the Constitutional Treaty.- Comment on Dagmara Kornobis-Romanowska: Conceptual Changes in the Area of Freedom, Security and Justice through the Constitutional Treaty.- Constitutionalization of the Common Foreign andSecurity Policy of the European Union: Implications of the Constitutional Treaty.- Comment on Ireneusz Pawel Karolewski: Constitutionalization of the Common Foreign and Security Policy of the European Union: Implications of the Constitutional Treaty.- Common Commercial Policy: The Expanding Competence of the European Union in the Area of International Trade.- Comment on Dorota Leczykiewicz: Common Commercial Policy: The Expanding Competence of the European Union in the Area of International Trade.- Fundamental Rights Concerning Biomedicine in the Constitutional Treaty and Their Effect on the Diverse Legal Systems of Member States.- Comment on Atina Krajewska: Plural Concepts of Human Dignity and the Constitutional Treaty.- Remarks on Art. I-52 of the Constitutional Treaty: New Aspects of the European Ecclesiastical Law?.- Territorial and Temporal Aspects of Unity.- “United in Diversity” — The Integration of Enhanced Cooperation into the European Constitutional Order.- Comment on Daniel Thym: United in Diversity or Diversified in the Union?.- Observations on the Right to Withdraw from the European Union: Who Are the “Masters of the Treaties”?.