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Clifford Chance

Clifford Chance
Ignacio Díaz

Ignacio Díaz


Ignacio Díaz

Ignacio Diaz started his career as a litigator after a short experience as equity analyst. Since then Ignacio has focused on complex disputes before the Spanish Courts and international arbitration (ICC, ICSID, UNCITRAL) as well as domestic arbitration before Spanish institutions (CIMA, CAM).

Ignacio specializes in investment disputes, contractual disputes (engineering projects, Oil and Gas and companies’ M&A), auditors' liability, civil liability (product liability, D&O and tort), corporate litigation, unfair competition and anti-trust litigation.

  • Clifford Chance recognized as Latin Lawyer International Elite 2024 firm
    Clifford Chance has been recognized by legal industry publication Latin Lawyer as one of eight International Elite 2024 firms.
    29 August 2023
  • Advising Steag GmbH in its ICSID claim under the ECT against the Kingdom of Spain.
  • Advising Airina, a Spanish multinational food holding company in legal proceedings against the public land management company of the Community of Madrid in relation to the sale of several rustic lands for urban development in exchange for receiving urbanized land.
  • Advising a Dutch oil&gas multinational in CAM arbitration proceedings with regard to a long term gas supply contract.
  • Advising a French financial institution in an ICC arbitration with regard to the valuation of a put option for the acquisition of a 40 % stake in another financial entity.

News and client work

View all news and client work featuring Ignacio Díaz

Contact details

Career and qualifications

  • Universidad Pontificia Comillas (ICADE – E3 - BA Law –) 2002
  • Universidad Pontificia Comillas (ICADE – E3 - BA Business Administration), 2003
  • Admitted as lawyer in Spain, 2003
  • Associate, Garrigues 2003
  • Joined Clifford Chance 2008

Professional bodies

  • Member of the Madrid Bar Association
  • Member of the Board of Directors of the Spanish Arbitration Club

Awards and citations

  • Clients describe Ignacio Díaz as “experienced, skillful, fast and committed".
    Chambers Europe 2020: Dispute Resolution
  • "Key names include (…) the ‘well-prepared and hardworking’ Ignacio Diaz."
    The Legal 500 2019
  • "Ignacio Díaz offers expertise in both commercial and investment treaty arbitration. He is active in the energy, telecoms and retail sectors."
    Chambers Europe Guide 2019
  • "Key names include (…) the ‘well-prepared and hardworking’ Ignacio Diaz."
    The Legal 500 2019