List of Publications

Five Characteristic English-Language Publications

  • ‘Foreign Affairs’, in: Armin von Bogdandy/Jürgen Bast (eds.): Principles of European Constitutional Law, 2nd edition (Hart, 2009), pp. 309-43.

English Publications

Journal Articles

  • ‘When Union Citizens turn into Illegal Migrants: the Dano case’, European Law Review 40 (2015), 248–61 = Current Law 6 (2015), 535–48.
  • ‘National Report: Germany. Administration Without Frontiers? European Migration Law’, European Review of Public Law 21 (2009), 253–72.
  • ‘The Political Character of Supranational Differentiation’, European Law Review 31 (2006), 781-99.
  • ‘Charter of Fundamental Rights: Competition or Consistency of Human Rights Protection in Europe?’, in: Finnish Yearbook of International Law XI (Den Haag: Kluwer, 2002), pp. 11-36.

Contributions to Edited Volumes

  • ‘Enhanced Cooperation within the Union’, in: Takis Tridimas/Robert Schütze (eds.): The Oxford Principles of European Union Law (OUP, 2018), pp. 847-83.
  • ‘The Evolution of Citizens’ Rights in Light of the EU’s Constitutional Development’, in: Daniel Thym (ed.): Questioning EU Citizenship (Bloomsbury/Hart, 2017), pp. 111-34.
  • ‘Introduction: The Judicial Deconstruction of Union Citizenship’, in: Daniel Thym (ed.): Questioning EU Citizenship (Bloomsbury/Hart, 2017), pp. 1–14.
  • ‘Conclusion: The Non-Simultaneous Evolution of Citizens’ Rights’, in: Daniel Thym (ed.): Questioning EU Citizenship (Bloomsbury/Hart, 2017), pp. 309–22 (together with Dora Kostakopoulou).

  • ‘Frontiers of EU

    Citizenship. Three Trajectories and their Methodological Foundations’, in:

    Dimitry Kochenov (eds.):

    EU Citizenship and Federalism. The Role of

    Rights (CUP, 2017), pp. 705–30.

  • ‘Competing Models for

    Understanding Differentiated Integration’, in: Bruno de Witte/Andrea Ott/Ellen

    Vos (eds.): Between Flexibility

    and Disintegration. The State of EU Law Today (Elgar, 2017), pp. 28–75.

  • ‘Ambiguities of

    Personhood, Citizenship, Migration and Fundamental Rights in EU Law’, in: Loïc

    Azoulai/Ségolène Barbou des Places/Etienne Pataut (eds.): Constructing the Person. Rights, Roles, Identities in EU Law (Bloomsbury/Hart,

    2016), pp. 111–31.

  • ‘Family as Link.

    Explaining the Judicial Change of Direction on Residence Rights of Family

    Members from Third States’, in: Herwig Verschueren (eds.): Residence, Employment and Social Rights of Mobile Persons. On How EU Law

    Defines Where They Belong (Intersentia,

    2016), pp. 11–38.

  • ‘The

    Constitutional Dimension of Public Policy Justifications’, in: Panos

    Koutrakos/Niamh Nic Shuibhne/Phil Syrpis (eds.): Exceptions from EU Free Movement Law. Derogation,

    Justification and Proportionality (Bloomsbury/Hart, 2016), pp.

    171–89.

  • ‘Ambiguities of Personhood, Citizenship, Migration and Fundamental Rights in EU Law’, in: Loïc Azoulai/Ségolène Barbou des Places/Etienne Pataut (eds.): Ideas of the Person and Personhood in European Union Law (Hart, 2016), in print.
  • ‘Constitutional Framework and Principles for Interpretation’, in: Kay Hailbronner/Daniel Thym (eds.): EU Immigration and Asylum Law. Commentary, 2nd edition (C.H. Beck/Hart/Nomos, 2016), pp. 1–29 (together with Kay Hailbronner).
  • ‘Legal Framework for Entry and Border Controls’, in: ibid., pp. 31–51.
  • ‘Legal Framework for EU Immigration Policy’, in: ibid., pp. 271–99.
  • ‘Long Term Resident Directive 2003/109/EC’, in: ibid., pp. 427–519. 
  • ‘Legal Framework for EU Asylum Policy’, in: ibid., pp. 1012–42 (together with Kay Hailbronner).
  • ‘Constitutional Foundations of the Judgments on the EEC-Turkey Association Agreement’, in: Daniel Thym/Margarite Zoeteweij-Turhan (eds.): Rights of Third-Country Nationals under EU Association Agreements. Degrees of Free Movement and Citizenship (Brill Nijhoff, 2015), pp. 13–38.
  • ‘Introduction: Free Movement between Membership and Partnership’, in: ibid., pp. 1–10 (together with Margarite Zoeteweij-Turhan).
  • ‘Residence as de facto Citizenship? Protection of Long-Term Residence under Article 8 ECHR’, in: Ruth Rubio-Marin (ed.): Human Rights and Immigration (OUP, 2014), pp. 106-44.
  • ‘Transfer Agreements for Pirates concluded by the EU – a Case Study on the Human Rights Accountability of the European Security and Defence Policy’, in: Panos Koutrakos/Achilles Skordas (eds.): The Law and Practice of Piracy at Sea (Hart, 2014), pp. 167-81.
  • ‘Germany’, in: Ulla Neergaard/Catherine Jacqueson/Nina Holst-Christensen (eds.): Union Citizenship: Development, Impact and Challenges. The XXVI FIDE Congress in Copenhagen (DJØF, 2014), pp. 569-86 (together with Christoph Schönberger).
  • Hermann-Josef Blanke/Stelio Mangiameli (eds.): Commentary on the Treaty on European Union (Springer, 2013): Article 33 TEU (EU Special Representatives), Article 38 (Political and Security Committee) and Article 42 Abs. 7 (Mutual Defence).
  • ‘Towards “Real” Citizenship? The Judicial Construction of Union Citizenship and its Limits’, in: Maurice Adams/Johan Meeusen/Gert Straetmans/Henri de Waele (eds.): Judging Europe’s Judges. The Legitimacy of the Case Law of the European Court of Justice Examined (Hart, 2013), pp. 155-74.
  • 'Towards International Migration Governance? The European Contribution', in: Bart Van Vooren/Steven Blockmans/Jan Wouters (eds.): The EU’s Role in Global Governance. The Legal Dimension (OUP, 2013), pp. 289-305.
  • ‘Attack or Retreat? Evolving Themes and Strategies of the Judicial Dialogue between the German Constitutional Court and the European Court of Justice’, in: Catherine van de Heyning/Maartje de Visser (eds.): Constitutional Conversations in Europe – Actors, Topics and Procedures (Intersentia, 2012), pp. 235-50.
  • ‘The Intergovernmental Branch of the EU’s Foreign Affairs Executive. Reflections on the Political and Security Committee (PSC) in the Age of the Lisbon Treaty’, in: Hermann-Josef Blanke/Stelio Mangiameli (eds.): The European Union after Lisbon. Constitutional Basis, Economic Order and External Action (Springer, 2011), pp. 517-32.
  • ‘From Ultra-Vires-Control to Constitutional-Identity-Review: The Lisbon Judgment of the German Constitutional Court’, in: Ingolf Pernice/José María Beneyto (eds.): Europe’s Constitutional Challenges in the Light of the Recent Case Law of National Constitutional Courts. Lisbon and Beyond (Nomos, 2011), pp. 31-44.
  • ‘Introduction and Acknowledgments’, in: Daniel Thym/Francis Snyder (Hrsg.): Europe – A Continent of Immigration? Legal Challenges in the Construction of European Migration Policy (Bruylant, 2011), pp. 1-12 (together with Francis Snyder).
  • ‘Foreign Affairs’, in: Armin von Bogdandy/Jürgen Bast (eds.): Principles of European Constitutional Law, 2nd edition (Hart, 2009), pp. 309-43.
  • ‘Parliamentary Involvement in European International Relations’, in: Marise Cremona/Bruno de Witte (eds.): EU Foreign Relations Law: Constitutional Fundamentals (Hart, 2008), pp. 201-32.
  • ‘Interregional Cooperation in Crisis Management: EU support for the AU, ASEAN and other Regional Organisations’, in: Steven Blockmans (ed.): The European Union and International Crisis Management: Legal and Policy Aspects (CUP/T.M.C. Asser, 2008), pp. 277-90.
  • ‘Parliamentary Control of EU Decision-Making in Germany: Supportive Federal Scrutiny and Restrictive Regional Action’, in: Olaf Tans/Carla Zoethout/Jan Peters (eds.): National Parliaments and European Democracy. A Bottom-Up Approach to European Constitutionalism (Europa Law Publishing, 2007), pp. 47-72.
  • ‘‘United in Diversity’ – The Integration of Enhanced Co-operation into the European Constitutional Order’, in: Philipp Dann/Michał Rynkowski (eds.): The Unity of the European Constitution (Springer, 2006), pp. 357-75.
  • ‘Reforming Europe's Common Foreign and Security Policy’, in: Francis Snyder (ed.): L'Union européenne et la governance – The European Union and Governance (Bruylant, 2003), pp. 271-94.
  • ‘European Constitutional Theory and the Post-Nice Process’, in: Mads Andenas/John Usher (eds.): The Treaty of Nice and Beyond – Enlargement and Constitutional Reform (Hart, 2003), pp. 147-80.

Editorial Responsibility

  • Questioning EU Citizenship. Judges and the Limits of Free Movement and Solidarity in the EU (Bloomsbury/Hart, 2017).
  • Rights of Third-Country Nationals under EU Association Agreements. Degrees of Free Movement and Citizenship (Brill Nijhoff, 2015) together with Margarite Zoeteweij-Turhan.
  • Europe – A Continent of Immigration? Legal Challenges in the Construction of European Migration Policy. Europe: Un continent d'immigration? Défis légaux juridiques dans la construction de la politique européenne de migration (Bruylant, 2011), together with Francis Snyder.

Case Notes and Book Reviews

  • ‘Court of Justice of the European Union: Case C-34/09, Gerardo Ruiz Zambrano v. Office national de l’emploi (ONEm), Judgment of 8 March 2011’, Common Market Law Review 48 (2011), 1253–70 (together with Kay Hailbronner).
  • Review: Research Handbook on EU Administrative Law (Carol Harlow, Paivi Leino and Giacinto della Cananea)‘, Common Market Law Review 55 (2018), 687-689.
  • ‘Review: European Security Law (Edited by Martin Trybus and Nigel White)’, European Law Review 33 (2008), 131-4.
  • ‘Review: Principles of European Law (Edited by Armin von Bogdandy and Jürgen Bast)’, Common Market Law Review 44 (2007), 387-9.
  • ‘Review: Repräsentation und Kompetenzverteilung (Florian Sander)’, Common Market Law Review 44 (2007), 206-9.
  • ‘Review: Bindung der Mitgliedstaaten an die Gemeinschaftsgrundrechte (Frauke Brosius-Gersdorf)’, Common Market Law Review 43 (2006), 1772-3.
  • ‘Review: Europe’s Area of Freedom, Security and Justice (Edited by Neil Walker)’, European Law Review 30 (2005), 444-6.

Varia

  • ‘The Evolution of Supranational Differentiation: Assessing Enhanced Cooperation, the Area of Freedom, Security & Justice and the Common Foreign & Security Policy under the Treaties of Nice and Lisbon’, WHI Paper 3/2009.
  • ‘The New Institutional Matrix of European Foreign Policy in the Constitutional Treaty’, WHI Paper 5/2005.
  • ‘The Area of Freedom, Security and Justice in the Treaty establishing a Constitution for Europe’, WHI Paper 12/2004.

German Publications

See the overview of all publications, incl. German publications.