Cleary Gottlieb Steen & Hamilton (Brussels)

Francisco Enrique González-Díaz

Cleary Gottlieb Steen & Hamilton (Brussels)
Lawyer (Partner)

Francisco Enrique González-Díaz is a partner based in the Brussels office. Mr. González-Díaz’s practice focuses on European and Spanish competition law, including mergers and acquisitions, restrictive practices, abuse of dominance and State aid. Mr. González-Díaz joined the firm in October 2003 as a partner. He has law degrees from the University of Granada, the Free University of Brussels and Harvard University as well as an economics degree from the Open University.Prior to joining the firm, Mr. González-Díaz held a number of positions within the European institutions. Between 1998 and 2003, he headed one of the enforcement units of the European Commission’s Merger Task Force and led the European Commission in its review of a number of large and complex cases in a wide array of market sectors. He also represented the European Commission in a number of important legislative projects relating to mergers and acquisitions and the application of Articles 81 and 82 EC. Between 1996 and 1998, Mr. González-Díaz clerked for Judge García Valdecasas at the European Court of First Instance in Luxembourg. From 1990 to 1996, Mr. González-Díaz was a member of the European Commission’s Legal Service. His responsibilities included providing legal advice to the European Commission, in particular to DG Competition, and representing the European Commission before the European Courts in Luxembourg in a significant number of cases on a wide range of issues arising under the EC Treaty.


Linked authors

Cleary Gottlieb Steen & Hamilton (Cologne)
Cleary Gottlieb Steen & Hamilton (Hong Kong)
Cleary Gottlieb Steen & Hamilton (London)
Cleary Gottlieb Steen & Hamilton (Washington)
Cleary Gottlieb Steen & Hamilton (Brussels)


1603 Bulletin

Nicholas Levy, Maurits J. F. M. Dolmans, Francisco Enrique González-Díaz, Romina Polley, Patrick Bock The EU Commission announces new policy to accept Member State referrals for merger review even if EC and national thresholds are not met


In September 2020, Competition Commissioner Margrethe Vestager announced that from mid-2021 the European Commission (“EC”) would “start accepting referrals from national competition authorities of mergers that are worth reviewing at the EU level – whether or not those authorities had the power to (...)

Francisco Enrique González-Díaz, Patrick Bock, Nicholas Levy, Marco D’Ostuni, Séverine Schrameck, Richard Pepper The EU General Court overturns the EU Commission’s prohibition of a mobile telecommunications merger (Telefónica UK / Hutchison 3G UK)


In a landmark Judgment delivered on May 28, the General Court overturned the European Commission’s 2016 prohibition of the Three/O2 UK mobile telecommunications merger. The Judgment raises the bar for the Commission in respect of (1) the legal standard the Commission must meet; (2) the closeness (...)

Francisco Enrique González-Díaz, Romano F. Subiotto, Ben Holles De Peyer, Beatriz Martos Stevenson The Spanish Supreme Court confirms the annulment of a €120 million fine imposed by the Competition Authority against three mobile operators for abuse of dominance in wholesale markets for termination of SMS and MMS (Telefónica / Vodafone / Orange)


In three judgments delivered in December 2018 and January 2019, the Spanish Supreme Court confirmed the annulment of fines amounting to a total of €120 million imposed on the three main telecoms operators in Spain (i.e., Telefónica, Vodafone and Orange) for abuse of dominance in the wholesale (...)

Christopher Cook, Francisco Enrique González-Díaz, François-Charles Laprévote, Maurits J. F. M. Dolmans, Nicholas Levy, Thomas Graf The EU Commission fines a company for providing incorrect or misleading information during its investigations on a merger (Facebook / WhatsApp)


On May 18, 2017, the European Commission (the “Commission”) fined Facebook €110 million for providing incorrect or misleading information during its 2014 investigation of its acquisition of WhatsApp The magnitude of the fine dwarfs the few penalties the Commission has imposed in the past for (...)

3838 Review

Anthony Dawes, Ben Holles De Peyer, David Bosco, Francisco Enrique González-Díaz, Jean-Philippe Christienne, Nicolas Von Lingen, Thierry De Bovis, Thomas Perroud The EU judge and the unlimited jurisdiction over the Commission’s decisions


The EU judicial review of the Commission’s decisions generates an abundant case law. This Trends aims to clarify the major difficulties that arise from the concept of "unlimited jurisdiction" and that manifest themselves both at the level of the control standard to which the Commission’s (...)

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