David Pérez de Lamo’s practice focuses on European and Spanish competition law.

He works for international clients in antitrust, merger control, and State aid proceedings before the European Commission and the Spanish Competition Authority (CNMC), as well as in litigation before the EU Court of Justice.

David joined Cleary Gottlieb in March 2020. Previously, he worked at the EU Court of Justice (Luxembourg) in the Chambers of President K. Lenaerts and Advocate General M. Bobek.

Selected Activities

  • Editor of EU Law Live’s Competition Corner and the Chillin’ Competition Symposia
  • Asociación Española para el Estudio del Derecho Europeo (AEDEUR)

  • Asociación Española para la Defensa de la Competencia (AEDC)


The Grand Chamber Paves the Way for the Surrender of the Catalan Leaders: The Belgian Courts’ Rejection of the European Arrest Warrant is Incompatible with the EAW Framework Decision and the Principle of Mutual Trust (Puig and Others, C-158/21)”, EU Law Live, 01/2023

Restrictions by Object, Ancillary Restraints and the Constitutionalisation of the ‘European Sports Model’: AG Rantos’ Opinions in European Superleague (C-333/21) and International Skating Union (C-124/21 P)”, EU Law Live, 01/2023

Judicial Review in EU Competition Law” (ed.), EU Law Live, Chillin’ Symposium, 11/2022

The General Court Confirms the UK’s Group Financing Tax Exemption for Controlled Foreign Companies Is Illegal State Aid (United Kingdom and ITV plc v Commission, T-363/19 and T-456/19),” Kluwer Competition Law Blog, 06/2022

Editorial - “The Second Edition of the Rubén Perea Award: The Importance of Promoting Young Talent,” Oxford Journal of European Competition Law & Practice, 05/2022

European Commission To Phase-Out COVID-19 Temporary Framework,” Cleary Gottlieb Steen & Hamilton LLP, Alert Memorandum, 05/2022

Temporary Framework for the Implementation of State Aid Rules to Support the Economy Following the Conflict in Ukraine,” Cleary Gottlieb Steen & Hamilton LLP, Alert Memorandum, 03/2022

A High Standard to Meet in Damages Actions Against the EU for Breaches of EU Competition Rules: The General Court Dismisses UPS’ (T-834/17) and ASL’s (T-540/18) Actions Following the Prohibition of the UPS/TNT Merger,” EU Law Live, 03/2022

Mutual Trust and Rule-of-Law Considerations in EU Competition Law: The General Court Extends the “L.M. Doctrine” to Cooperation Between Competition Authorities (Sped-Pro, T-791/19),” Kluwer Competition Law Blog, 03/2022

Main Developments in Competition Law and Policy 2021 – Spain,” Kluwer Competition Law Blog, 02/2022

LOT v Commission (T-240/18 and T-296/18): The Commission May Depart From the Traditional Market Definition Approach Based on ‘O&D’ Routes Where the Target Airline Has Ceased Operations,” EU Law Live, 10/2021

Tempus Energy v Commission (C-57/19 P): The Court of Justice Defines the Commission’s Investigative Duties During the Preliminary Examination Phase of State Aid Proceedings,” Kluwer Competition Law Blog, 10/2021

Killer Acquisitions in the Digital Sector: A Framework to Preserve Innovation Competition,” FIDE The Hague, 05/2021

Editorial - “Competition Law and Friendship: Presenting the Rubén Perea Award,” Oxford Journal of European Competition Law & Practice, 03/2021

The Court of Justice Clarifies That A State Aid ‘Advantage’ Must Be Assessed Ex-Ante: Fútbol Club Barcelona,” (C-362/19 P), Kluwer Competition Law Blog, 03/2021

Sobre el levantamiento de la inmunidad de Puigdemont,” Agenda Pública, 02/2021

The Court of Justice Provides Guidance on the Duration of Bid-Rigging Cartels in Kilpailu- ja kuluttajavirasto (C-450/19),” EU Law Live, 01/2021

Main Developments in Competition Law and Policy 2020: Spain,” Kluwer Competition Law Blog, 01/2021

The Missing Link in Article 102 TFEU: Defining the Boundaries of Competition Law Enforcement,” EU Law Live, Op-Ed, 01/2021

The Federal Trade Commission Requests to ‘Break-Up’ Facebook,” Agenda Pública, 12/2020

Acquisitions by Joint Ventures and Community Dimension: The General Court Reaffirms the Notion of ‘Undertakings Concerned’ in HeidelbergCement and Schwenk v. Commission (T-380/17),” EU Law Live, Analysis, 10/2020

A Policy-Oriented Appeal: The Commission Takes the Apple Judgment to the Court of Justice,” Kluwer Competition Law Blog, 10/2020

“Monólogos judiciales sobre la inmunidad de los miembros del Parlamento Europeo,” Revista Jurídica de Cataluña, 08/2020

Monólogos judiciales sobre la inmunidad de los miembros del Parlamento Europeo: A propósito de Junqueras Vies,” Revista Española de Derecho Europeo, Nº 73, 07/2020

Assessing ‘Killer Acquisitions’: An Assets and Capabilities-Based View of the Start-Up,” Competition Policy International, Antitrust Chronicle, 05/2020

Spain’s Economic Measures to Mitigate the Effects of COVID-19,” Cleary Gottlieb Steen & Hamilton LLP, 04/2020

Judicial Monologues on MEP Immunity: A Brief Commentary to Junqueras Vies,” EU Law Live, Long Read, 02/2020

Preserving Innovation Competition in the Digital Era: ‘Killer Acquisitions,’” Competition Policy International, 07/2020


Organizer and juror of the Rubén Perea Writing Award with the Chillin’ Competition Blog and the Oxford Journal of European Competition Law and Practice, 09/2020 – present

DG Competition Conference - Young Experts 22: Taking Competition Policy into the Future, 02/2022

XXIX FIDE Congress, Seminar for Young Academics and Practitioners, Panel on Competition Law and Digitisation, Europa Institute of Leiden Law School, The Hague, 21/05/2021