Katja Ziegler

Katja ZieglerSir Robert Jennings Professor of International Law
Director of the Centre for European Law and Internationalisation (CELI)
E-mail: katja.ziegler@le.ac.uk
Telephone: 0116 252 3484

Personal details

First and Second State Examinations in Law (Cologne/Düsseldorf), Dipl. iur. (Bonn), Dr. iur. (Bielefeld), MA (Oxon)

I took up the Sir Robert Jennings Chair of International Law and became Director of the Centre for European Law and Internationalisation (CELI) at Leicester in 2012.

My current research spans the areas of international, European, and comparative law, with a particular focus on the interaction of legal orders. Current research themes include,

  1. the constitutionalization and intersection of legal orders in an international, European, and comparative law context, in particular in the area of human rights and through the vehicle of general principles of law; and
  2. limits on executive power to resort to military force from a comparative constitutional and international law perspective.

In 2014-15 I was awarded a British Academy Mid-career Fellowship for a research project on 'Judicialising War: International Use of Force in National Courts'. I was leading a Leicester team contributing to the CharterClick! Project (2015-17), a project funded by the European Commission which developed an online tool to help with the application of the EU Charter of Fundamental Rights. I am currently working on a project Constructing Legal Orders in Europe: The General Principles of EU Law, funded by the European Commission as a Jean Monnet Project and the British Academy (2017-2020).

I am a member of the editorial board of the International and Comparative Law Quarterly. I have acted in advisory roles for the the European Parliament, the Council of Europe, and was expert witness to the House of Lords’ Constitution Committee in its inquiry on war-making powers of the Government. I have been invited speaker at conferences in the UK, Australia, Belgium, the Czech Republic, France, Germany, Italy, Japan, Luxembourg, the Netherlands, Poland, South Africa, Spain, and the USA.

I teach in the area of public international, human rights, EU law and comparative constitutional law.

Previously, I have been Reader in European and Comparative Law and Erich Brost University Lecturer in the Faculty of Law and Fellow in Law and a Fellow of St Hilda’s College, University of Oxford (2007-12) and DAAD Fellow and Deputy Director of the Institute of European and Comparative Law, Oxford (2002-2007). I was also a lecturer at the University of Bielefeld, Germany (1995-2001). I am a qualified Rechtsanwältin (Barrister-Solicitor) and have worked in the Brussels office of an international law firm before returning to academia in 2002.

Publications

  • ‘The Use of Force by the United Kingdom: Evolution of Accountability’, in Curtis Bradley (ed), Oxford Handbook of Comparative Foreign Relations Law (Oxford University Press 2019) 771-789.
  • AWACS I(Ger)’, in R Grote, R Wolfrum and F Lachenmann (eds), Max Planck Encyclopedia of Comparative Constitutional Law (MPECCoL 2019). SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2987934
  • ‘Autonomy: From Myth to Reality – or Hubris on a Tightrope? EU Law, Human Rights and International Law’, in Sionaidh Douglas-Scott and Nicholas Hatzis (eds) Research Handbook on EU Human Rights Law (Cheltenham, Edward Elgar  2017), Chapter 12, pp. 267-307. SSRN: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2665725
  • ‘Beyond Pluralism and Autonomy: Systemic Harmonisation as a Paradigm for the Interaction of EU Law and International Law’ (2016) 35 Yearbook of European Law 667-711. SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2894878
  • ‘The Relationship between EU law and International Law’, in Dennis Patterson and Anna Södersten (eds), Blackwell Companion for European Union Law and International Law (Hoboken, NJ, Wiley-Blackwell 2016), 42-61. SSRN: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2554069
  • The UK and European Human Rights – A Strained Relationship? (Oxford Hart Publishing, 2015, with E Wicks and L Hodson), see http://www.hartpub.co.uk/BookDetails.aspx?ISBN=9781849467957 (Introduction available as sample chapter); Chapter 25 ‘The UK and European Human Rights: Some Reflections’ available at http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2568723
  • The evolution of fundamental rights charters and case law: a comparison of the European and the United Nations systems (together with L Lazarus, N Ghanea, C Costello, European Parliament, Directorate General for Internal Policies 2011 (250 pages), http://www.europarl.europa.eu/activities/committees/studies/download.do?language=en& file=34751
  • ‘International Law and EU Law: Between Asymmetric Constitutionalisation and Fragmentation’, in Alexander Orakhelashvili (ed) Research Handbook on the Theory of International Law (Cheltenham, Elgar 2011), chapter 10, pp. 268-327
  • ‘”Abuse of Law” in the Context of Free Movement of Workers’, in Rita de la Feria and Stefan Vogenauer (eds), The Prohibition of Abuse of Law – A New General Principle of EU Law? (Oxford, Hart Publishing 2010), chapter 21, pp. 295-314.
  • ‘Strengthening the Rule of Law, but Fragmenting International Law: The Kadi Decision of the ECJ from the Perspective of Human Rights’, (2009) 9 Human Rights Law Review 288-305.
  • ‘Building a Peoples’ Europe: Political Rights of Foreigners. Freedom of Expression, Assembly and Association and Electoral Rights from the Perspective of EC Law and the ECHR’ in Hartmut Bauer, Pedro Cruz Villalón and Julia Iliopoulos-Strangas  (eds), The ‘New Europeans’: Migration and Integration in Europe (Baden-Baden/Brussels/Athens, Nomos Verlag/Bruylant/Ant. N. Sakkoulas 2009), pp. 385-424.
  • ‘Patrimonio Culturale e Diritti Umani’, in Centro Internazionale di Studi Gentiliani (ed), Alberico Gentili: La salvaguardia dei beni culturali nel diritto internazionale (Milano, Giuffrè 2008) 511-543. Also published in English ‘Cultural Heritage and Human Rights’ as Oxford Legal Studies Research Paper No. 26/2007, (SSRN).
  • ‘Executive Powers in Foreign Policy: The Decision to Dispatch the Military’ in: Katja S. Ziegler, Denis Baranger, Anthony W. Bradley (eds), Constitutionalism and the Role of Parliaments (Oxford, Hart Publishing 2007) pp. 141-166.
  • pdf file Full Publication list (PDF)

Research

International law, human rights, European law and comparative constitutional law.

Supervision

I welcome PhD proposals in the general areas of public international law, human rights law, the European Convention on Human Rights, EU law and comparative constitutional law; and more specifically proposals about the interaction of legal orders, international law in national legal orders, the Constitutionalisation of legal orders, EU Foreign relations law, general principles of law and the use of force in international law.

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