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Jones & Sufrin's EU Competition LawText, Cases, and Materials

Jones & Sufrin's EU Competition Law: Text, Cases, and Materials (7th edn)

Alison Jones, Brenda Sufrin, and Niamh Dunne
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date: 30 March 2023

p. 118616. International Aspectslocked

p. 118616. International Aspectslocked

  • Alison Jones, Alison JonesProfessor of Law, King’s College, London
  • Brenda SufrinBrenda SufrinEmeritus Professor of Law, University of Bristol
  •  and Niamh DunneNiamh DunneAssociate Professor of Law, London School of Economics


This chapter examines the issue of jurisdictional problems in competition law, at the ‘internationalisation’ of competition law and the efforts to deal with competition issues at a global level to match the global operations of undertakings on world markets.. It looks first at the question of extraterritoriality in public international law, particularly the concept of objective territoriality. It considers the distinction between prescriptive jurisdiction and enforcement jurisdiction and how these might apply to competition law. It then looks at the development of the effects doctrine in US law and the concept of comity, and at the position of foreign plaintiffs in US courts. It considers how the EU takes jurisdiction by the application of the single economic entity doctrine and by the development of the implementation doctrine and the qualified effects doctrine. The chapter concludes by examining how international cooperation seeks to help solve jurisdictional problems. It looks at the bilateral agreements into which the EU has entered, and the multilateral cooperation to which the EU is party, including cooperation within UNCTAD, the OECD, the WTO and the International Competition Network (ICN).

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