Loyalty in the European Union - with a special focus on the law of external relations

Type Habilitation Project

Duration April 1, 2009 - March 31, 2012

  • Institute for European and International Law AE (Details)


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  • Klamert, Marcus (Former researcher) Project Head

Abstract (English)

The loyalty principle or Article 10 EC is ever-present in Community and Union law in technical matters of intra-institutional cooperation and the groundbreaking developments of the law alike. In our research proposal we will deal with both aspects
In the first part of our research we will put the Community loyalty principle into both its historical and comparative context. We will provide insights into the role of the Commission and key Member States with respect to landmark decisions of the ECJ.
In a second part, we will submit a novel system of structuring the diverse effects of the loyalty principle. This novel systematisation shall provide the background for discussing selected practical issues on cooperation within the Union and with the Member States in external relations, and on the crucial interplay between the Union and the Member States for ensuring the consistent and uniform application of the law.
In a final part we will reflect on the future role of Article 10 EC in the jurisprudence of the Court and proffer a more consistent manner for its application.


Book (monograph)

2014 Klamert, Marcus. 2014. The Principle of Loyalty in EU Law. Oxford: Oxford University Press. (Details)

Journal article

2012 Klamert, Marcus. 2012. Dark Matter-Competence, Jurisdiction and "the Area Largely Covered by EU Law": Comment on Lesoochranárske. European Law Review (3): 340-350. (Details)

Contribution in legal commentary

2012 Klamert, Marcus. 2012. Artikel 214 AEUV. In AEUV Kommentar. Hrsg. Mayer. Wien: Manz (Details)
2011 Klamert, Marcus. 2011. Artikel 221 AEUV. In AEUV Kommentar. Hrsg. Mayer. Wien: Manz (Details)
2010 Klamert, Marcus. 2010. Artikel 205 AEUV. In AEUV Kommentar. Hrsg. Mayer. Wien: Manz (Details)
  Klamert, Marcus. 2010. Artikel 208 - 211 AEUV. In AEUV Kommentar. Hrsg. Mayer. Wien: Manz (Details)

Paper presented at an academic conference or symposium

2011 Klamert, Marcus. 2011. Loyalität in den Außenbeziehungen. Beirat für Europarecht, Bundesministerium für europäische und internationale Angelegenheiten, Österreich, 16.11.. (Details)
2009 Klamert, Marcus. 2009. Cross-pillar Mixity and Other Incompatibilities. RELEX Working Group, EUI, Florenz, Italien, 21.10. (Details)

eJournal article

2011 Klamert, Marcus. 2011. New conferral or old confusion? The perils of making implied competences explicit and the example of the competence for environmental policy. CLEER Working Papers (6): http://www.cleer.eu. (Details)