About
Mario has over seven years’ experience advising on complex, high‑stakes disputes.
He regularly acts for multinational companies in multi‑jurisdictional litigation, ICC arbitrations, antitrust damages claims, and matters involving major financial scandals. His experience includes representing financial institutions, global payments providers, automotive manufacturers, investment funds, and companies in the tech and life sciences sectors.
Mario is admitted to practice law in Spain. He is fluent in English and Spanish, and has a basic knowledge of German.
Additional Information
- Advising a global financial institution in ICC arbitration initiated by a Spanish bank concerning the acquisition of its former Spanish operations;
- Representing a global payments provider in Spanish litigation brought by merchants and consumers over account-related issues, offering end-to-end strategic and procedural support across a growing number of cases;
- Representing a major international bank in an ongoing litigation case in Madrid, initiated by an ex-top executive of the bank regarding a series of scandals involving financial derivatives portfolios resulted in losses of more than 6 billion euros;
- Representing an international investment fund on the litigation arising from its acquisition of a roughly 33% stake in a major Spanish infrastructure company; and
- two leading life science companies in antitrust damages claims amounting to over 900 million euros.
Mario Rubio
Associate
Madrid Office
Torre Europa
Paseo de la Castellana, 95
Madrid 28046