Sebastián is a lawyer on the Claussen & Velasco Litigation team. His practice focuses on the processing of civil and contentious-administrative litigation before ordinary and arbitral courts. In the civil sphere, he has represented clients in contractual disputes, non-contractual liability and other complex property matters. He also has experience in Administrative and Regulatory Law, advising on administrative procedures, conflicts with State bodies, sectoral permits and various actions related to the public sector.