LAWYER PROFILE

José Ramón Mourenza Diaz

Europe 2026

Herbert Smith Freehills Kramer LLP

Ranked in 2 practice areas

Energy & Natural Resources

Spain

3 years ranked

Public Law

Spain

1 year ranked

About

Provided by Herbert Smith Freehills Kramer LLP

Practice Areas

- Public law and regulatory

- Economic regulation

- Litigation and dispute resolution

- EU regulation

Career

José Ramón is an of counsel based in our Madrid office. José Ramón heads the energy regulatory advice in the Madrid office. He is a State Attorney and has extensive experience and an in-depth knowledge of Spanish public law, especially in the energy sector as he was former State Attorney General at the Secretariat of State for Energy (2010-2018) and, subsequently, at the Ministry of Energy, Tourism and Digital Agenda. He coordinated for over 8 years all energy-related litigation against the Spanish government, acting in several ad hoc investment arbitrations related to the regulatory framework for renewable electricity producers on behalf of the Kingdom of Spain.

For additional information on José Ramón’s professional background, please visit: https://www.hsfkramer.com/our-people/j/jose-ramon-mourenza

Chambers Review

Provided by Chambers

Chambers European Guide

Energy & Natural Resources - Spain

Band 4

Individual Editorial

José Ramón Mourenza Diaz receives particular regard for his regulatory expertise. He assists clients with complex developments in the renewable energy space. His practice benefits from his previous experience across various posts within the Ministry of Energy, Tourism and Digital Agenda.

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Public Law - Spain

Band 5

Individual Editorial

José Ramón Mourenza Diaz has extensive experience in public procurement, contentious appeals and regulated industries, especially in the energy and mineral resources sectors. His practice benefits from his previous role as a state attorney.

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Strengths

Provided by Chambers

José Ramón has exceptional regulatory knowledge and absolute availability in resolving highly complex queries.
Energy & Natural ResourcesChambers European Guide
He is very polite in his communication, rigorous in his timelines and studious in his search for jurisprudence.
Energy & Natural ResourcesChambers European Guide
José Ramón Mourenza Diaz is excellent in every aspect; he has deep knowledge of regulations, splendid prose, and is a great strategist in litigation matters and a developer of innovative proposals.
Public LawChambers European Guide
José Ramón Mourenza Diaz has broad and in-depth legal knowledge, especially in the administrative and contentious fields.
Public LawChambers European Guide
José Ramón Mourenza Diaz is a great lawyer and has always exceeded our expectations in all areas.
Public LawChambers European Guide