The International Arbitration Law Firm with Unique Experience and Focus on Quantum

“Among the world’s most experienced in Investor-State arbitration”

"His legal and financial expertise spans the energy, transport, construction, mining and telecoms sectors"

– Global Arbitration Review –


Bridging the Gap between Law and Quantum.


Unparalleled Experience and Proven Expertise.


We Provide Solutions for Your Case from Every Angle.

Latest News

Spain-Americas Arbitration Forum (Miami)

Antolín Fernández Antuña presented the Honorable José M. Rodríguez, Administrative Judge of the International Commercial Arbitration Division, Eleventh Judicial Circuit of Florida, and keynote speaker at the SPAIN-AMERICAS ARBITRATION FORUM in Miami.

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Antuña & Partners Featured in Global Arbitration Review (GAR)

GAR (Global Arbitration Review), the world’s leading source of international arbitration news, highlights in its homepage that: “Antolín Fernández Antuña, a former finance inspector for the Spanish government who also defended the state in a number of Energy Charter Treaty cases over its solar reforms, has launched an international arbitration boutique in Madrid with a special focus on quantum…”

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JUS MUNDI Interviews Antolín Fernández Antuña

JUS MUNDI, the search engine for international law, interviews Antuña & Partners founder on Investor-State arbitration, hearings, expert cross-examinations and quantum: “Antolín Fernández Antuña is one of the world’s most experienced lawyers in Investor-State arbitration…”

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