Mauricio has experience in seeking legal remedies at federal and local level in administrative and constitutional matters against the decisions or actions of all types of authorities (administrative, legislative and judicial), including the handling of administrative compliance verification and penalty proceedings. His work as a litigator has been notable across a range of sectors and industries, such as electricity, oil and gas, anti-money laundering, financial, labor and social security, environmental, antitrust, public procurement, administrative liability, among others.
Experience
Mauricio León is a principal associate in the Administrative and Constitutional Law and Energy practices. He has more than 15 years’ experience in advising Mexican and multinational companies in their dealings with federal, state and municipal authorities from the executive, legislative and judicial branches of government in order to prevent and avoid disputes, as well as in designing and implementing litigation strategies to challenge decisions and judgments issued.
He has extensive experience in administrative compliance verification and penalty proceedings, administrative appeals, judicial review proceedings at local and federal level, and all types of constitutional protection (amparo) proceedings in the following areas: i) electricity, ii) oil and gas, iii) financial, iv) anti-money laundering, v) labor and social security, vi) environmental, vii) public procurement, viii) administrative liability, ix) urban development, x) water, xii) antitrust, xiii) health law, xiv) standardization, xv) licenses, permits and concessions, xvi) transport, xvii) mining, xviii) foreign trade and customs law, xix) data protection and data access, among others.
Mauricio is fluent in Spanish and English.
Academic background
- Master’s Degree in Constitutional Law and Human Rights, Universidad Panamericana (UP)
- Diploma in Antitrust, Centro de Investigación y Docencia Económicas, A.C. (CIDE)
- Diploma in Selected Topics of Administrative and Environmental Law, INCAM (Mexican Bar Association)
- Diploma in International Commercial Arbitration, Escuela Libre de Derecho in conjunction with the International Chamber of Commerce (ELD – ICC)
- Degree in Law, Universidad La Salle (ULSA) (2009-2014).
Memberships
- Member of ANADE (Mexican Association of Business Lawyers)
- Member of the Mexican Solar Energy Association (ASOLMEX)
- Member of the Canadian Chamber of Commerce in Mexico (CANCHAM)
- Member of International Chamber of Commerce Mexico (ICC Mexico)
Distinctions
- Chambers and Partners Latin America 2025
Associates to watch - Best Lawyers 2025
Ones to Watch
Publications
- “El mercado de energías limpias (CEL) en México: Efectos de las Medidas de Contingencia decretadas por el Pleno del Consejo de la Judicatura Federal” (The Clean Energy Market in Mexico: Effects of the Contingency Measures Decreed by the Plenary Session of the Council of the Federal Judiciary), Boletín Pauta 91, International Chamber of Commerce, June 2020.
- “El Artículo 133 Constitucional y la Jurisprudencia Internacional en Materia Comercial emitida por el Órgano de Solución de Diferencias de la Organización Mundial del Comercio” (Article 133 of the Constitution and International Commercial Rulings issued by the WTO Dispute Settlement Body), Symposium as part of the 15th National Congress of Barra Mexicana Colegio de Abogados, A.C., November 2016.