- European economic law; free circulation of goods and services; establishment liberty.
- European procedure law; appeal before European courts; judicial competence and execution of Spanish sentences in the European Economic Space (EES) and of countries of the EES in Spain.
- Competence law; conflictive agreements and practices; mergers and acquisitions; dominant position abuse; Estate aid.
- Competence law; denounce and appeals before the national and European authorities of the competence; judicial appeals against the Administration decisions.