Ius+Aequitas Trial Lawyers


At Ius+Aequitas we are firmly committed to the defense of human rights, labor regulations, the environment, and the fight against corruption, and in coherence with our principles and values, we are members of the United Nations (Global Compact) and in compliance with the commitments assumed with this organization, we present our annual social responsibility report. All the members of the firm are aware of the work and responsibility involved in the practice of law, which is why we are constantly changing and evolving in order to play an active role in the development of society. Our Code of Ethics reflects our values and our commitment to civil society. For all these reasons, we are proud to be a firm: That puts people first. In order to offer the best service to our clients, we must first be responsible with our team, encouraging policies that promote a better work-life balance for our lawyers.

Arbitration Contacts

Tomás Villatoro González


T +34 915 914 291

Tomás Villatoro is a partner at Ius + Aequitas Trial Lawyers, a Spanish law firm specializing in litigation and dispute resolution (ADR), which is part of the International Fraud Group (IFG).

In his more than 25 years of professional career, he has worked as arbitrator and counsel, depending on the case, in dozens of arbitrations before the ICC, the Madrid Court of Arbitration, the Spanish Chamber of Commerce and the European Arbitration Association.

Tomás is also an expert mediator appointed on numerous occasions by the Centro de Mediación Empresarial de Madrid. He is a member of the Mediation Commission of the CEA and CMEM.

Eliseo M Martínez

Partner Director

+34 915 914 291

Eliseo M. Martínez has been the Managing Partner of IUS+AEQUITAS, a Spanish law firm specializing in litigation, since 2011. The firm has been recognized by Chambers for its “high degree of specialization, proactivity and ability to provide imaginative and robust solutions to complex problems, and is a top-tier firm in white-collar crime and dispute resolution” and by Legal 500 for being “a true dispute resolution specialist”, Ius + Aequitas Abogados is known for its international litigation, corporate investigations, and economic crime expertise. The firm acts in a range of disputes, including bankruptcy proceedings in commercial courts, criminal litigation, and international arbitration, with particular expertise in the fields of insolvency, intellectual property, and public law. As a trial lawyer for almost 20 years, Eliseo M. has been involved in almost three thousand different cases and leads the strategy of major cases in his extensive fields of expertise. He currently represents national and international banks and other financial and investment institutions, consumer organizations, and different personalities from the cultural and social spheres.

Eliseo’s Accolades:-

Chambers 2023 – Global Directory for Dispute resolution. Band 5

Chambers 2023 – European Directory   for Dispute resolution, Corporate Crime,  for Dispute resolution. Band 5