Daniel Sarmiento

Counsel ––– Madrid
Member no. 90469 of the Madrid Bar Association
Main practice areas
  • English

  • French



Daniel Sarmiento is counsel in the Madrid office. He joined the firm in 2015 as a consultant. His practice areas are European Union law and Spanish public law. He has been a tenured lecturer on administrative and European Union law at the Universidad Complutense de Madrid since 2010 and also lectures at the Instituto de Empresa.

He has extensive experience in the public sector, having worked for the Spanish Central Administration (2004-2006) and as a legal secretary in the Court of Justice of the European Union (2007-2015). His practice in European Union law covers a wide range of areas, such as competition, fundamental rights, state aids, banking law, regulatory, litigation, constitutional law, private international law and tax law. He has participated in complex EU litigation, representing individuals, companies and public entities before the General Court, the Court of Justice and appeal bodies of several EU agencies.

He is the author of several books, including El Derecho de la Unión Europea (“European Union Law”, 2nd edition, Marcial Pons, 2018), El Control de Proporcionalidad de la Actividad Administrativa (“The Proportionality Assessment of Administrative Action”, Tirant lo Blanch, 2004), Poder Judicial e Integración Europea (“The Judiciary and European Integration”, Thomson-Civitas, 2004) and El Soft Law Administrativo (“Administrative Soft Law”, Thomson-Civitas, 2008). He regularly contributes to reputed legal journals such as the Common Market Law Review, the European Law Review or the Revista Española de Derecho Europeo.

He is the secretary to the executive committee of the Asociación Española para el Estudio del Derecho Europeo (Spanish Association for the Study of European Law) and a member of the editorial board of the Revista de Derecho Comunitario Europeo.

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  • Law Degree, Universidad de Granada, 1999
  • Ph.D in Law, Universidad Complutense de Madrid, 2003 (special award)

Professional associations

  • Madrid Bar Association
  • Spanish Association for the Study of European Law (AEDE)
  • Spanish Association for the Defence of Competition (AEDC)
  • European Law Institute

Teaching activity

Daniel is currently involved in graduate and post-graduate teaching at the Law School of the Universidad Complutense de Madrid (European Union law). He also participates in several postgraduate programs in various universities and institutions, such as IE University (international litigation), the Université de Lyon (European Union institutions) and the Instituto Superior de Derecho y Economía (European litigation).

He has participated in numerous conferences, workshops and seminars in universities and research institutions such as the University of Oxford, Paris I – Sorbonne, the University of Cambridge, the University of Amsterdam, the London School of Economics and the Max Planck Institute of Public International Law and Comparative Public Law in Heidelberg.

Recent publications