Juan Jiménez-Laiglesia

(The following information was supplied by the firm)

Juan Jiménez-Laiglesia joined Pérez-Llorca as a partner in 2018.

Prior to this, Juan was a senior partner for Competition Law at a Big Four firm, working in the Competition Law practice area in the Madrid office. He was also senior partner of the International Competition Law practice area in another prestigious international firm.


2006 Degree in Philosophy, Universidad Nacional de Educación a Distancia
1992 Degree in Economics, Universidad Nacional a Distancia
1991 MBA, IESE Business School, Barcelona
1991 Degree in Political Science, Universidad Nacional a Distancia
1989 LL.M. in Community Law, Université Libre de Bruxelles (Belgium)
1988 Degree in Law, Universidad Complutense de Madrid
He speaks Spanish, English and French.


As a lawyer and economist Juan specialises in EU Law, Regulatory Law and Defence of Competition Law. He has practised law in Brussels and Madrid.

Juan has considerable experience in joint ventures, strategic alliances and mergers and acquisitions (both from a notifying and third party perspective). He is also an expert in matters of abuse of dominant position, cartel investigations and State Aid procedures before the European Commission, the EU Courts, the Competition Authorities and the Spanish Courts.

Academic and Publishing Collaborations

Juan regularly participates in seminars and conferences as an expert in European Law and Competition. He also collaborates on specialised magazines and press and has published a wide variety of articles and works related to his areas of expertise. He is currently lecturing on Competition Law, Competition Economics and European Law at ICADE, ESADE, ISDE and IE.

Professional Organisations

The Madrid Bar Association (ICAM).


Juan Jiménez-Laiglesia features in various legal directories such as:

Chambers Europe: Competition/European Law.
Legal 500 EMEA: EU and Competition (Leading individual).
Best Lawyers®: Competition/Antitrust Law, European Union Law, and Litigation.

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