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Luke Dimitrios Spieker

Maîtrise en droit (Paris II), LL.M. (King's College London), Research Fellow
Tel. +49 (6221) 482-412

Main Fields of Research:

European Union Law (esp. EU Constitutional Law), EU values, EU Rule of Law, relationship of national constitutional courts and ECJ

Academic Career:

Since 08/2018 | Research Fellow and PhD Candidate at the MPIL

09/2017 - 06/2018 | King's College London, LL.M.

06 - 09/2017 | Internships with Germany‘s Representation before the European Courts (EA 5, Federal Ministry for Economic Affairs, Berlin) and with Advocate General Prof. Dr. Juliane Kokott (European Court of Justice, Luxembourg)

09/2016 - 06/2017 | Université Panthéon-Assas (Paris II), Maîtrise en droit européen

08/2016 | First German State Examination, Berlin

10/2012 - 08/2016 | Humboldt-University Berlin, Law Studies, European Law School Programme

  • Exchange with Tbilissi State University (Austauschnetzwerk Ost-West), with a research stay in Georgia
  • Internships with the Committee on Foreign Affairs in the German Bundestag, the German Federal Foreign Office and the Brussels Office of Freshfields Bruckhaus Deringer

Recent Publications

  • Reverse Solange 2.0: Die Durchsetzung europäischer Werte und die unions- und strafrechtliche Verantwortung nationaler Richter. In: Europarecht 55, 301-332 (2020) (zusammen mit Armin von Bogdandy). EuR
  • Framing and managing constitutional identity conflicts: How to stabilize the modus vivendi between the Court of Justice and national constitutional courts. In: Common Market Law Review 57, 361-398 (2020). CML Rev.
  • Breathing Life into the Union’s Common Values: On the Judicial Application of Article 2 TEU in the EU Value Crisis. In: German Law Journal 20, 1182-1213 (2019). GLJ
  • Countering the Judicial Silencing of Critics: Article 2 TEU Values, Reverse Solange, and the Responsibilities of National Judges. In: European Constitutional Law Review 15, 391-426 (2019) (zusammen mit Armin von Bogdandy). EuConst
  • I valori dell'Articolo 2 del TUE, la Reverse Solange e la responsabilità dei giudici nazionali. In: Percorsi Costituzionali 2-3.2018, 347-388 (2020) (zusammen mit Armin von Bogdandy). Percorsi (PDF, 250.9 KB)
  • Does Article 15 ECHR Still Matter in Military Operations Abroad? The UK government's 'Presumption to Derogate’ – Much Ado about Nothing? In: ZaöRV (Heidelberg Journal of International Law) 79, 155-183 (2019). ZaöRV


  • The Court gives with one hand and takes away with the other: The CJEU’s judgment in Miasto Łowicz. Verfassungsblog, 26. März 2020. Text
  • Countering the Judicial Silencing of Critics: Novel Ways to Enforce European Values. Verfassungsblog, 06. März 2019 (zusammen mit Armin von Bogdandy). Text
  • Commission v. Poland – A Stepping Stone Towards a Strong “Union of Values”?. Verfassungsblog, 30. Mai 2019. Text

Working Papers

  • From Moral Values to Legal Obligations – On How to Activate the Union’s Common Values in the EU Rule of Law Crisis. MPIL Research Paper No. 24, 2018. SSRN

Further Publications

  • Die Identitätskontrolle des BVerfG und ihr Verhältnis zum Schutz der nationalen Identität durch den EuGH. In: Jurisdiktionskonflikte, Matthias Klatt (ed.). Nomos, Baden Baden 2015, 111-144. Text here
  • Deutsche Identität im Kontext der europäischen Integration. In: Nation 2012?, Andreas Apelt, Heide Gebhart, Eckhard Jessen (eds.). Mitteldeutscher Verlag, Halle (Saale) 2013, 201-214.


Since 2019 | Doctoral scholarship of the German National Academic Foundation (Studienstiftung des deutschen Volkes)

2019 | Prix d'Excellence de l'Université franco-allemande (UFA) funded by the Deutsch-Französische Juristenvereinigung

2019 | Common Market Law Review Prize for Young Academics

2019 | Honourable Mention Ius Commune Prize 2019

2018 | David D. Caron Memorial Prize for the Best Student on the LL.M. and David D. Caron Memorial Prize for the Best Dissertation on the LL.M.

2018 | Ondrej Petr Creative Writing Prize for the Best Distinction Dissertation by Students whose native Language is not English

2017 | Faculty Price for the best result in the First State Examination

2017 | Faculty Price for the best result in Specialisation VIII (French Law)

2015 - 2018 | Scholarship of the German National Academic Foundation (Studienstiftung des deutschen Volkes)

Since 2013 | Fellow of the Studierendenforum im Tönissteiner Kreis

2012 - 2017 | Scholarship of the Konrad-Adenauer-Foundation

2012 | Harvard Diplomacy Award of Harvard World MUN 2012 (Vancouver)



 German, Greek, English, French, Italian


- European Constitutional Law Review