Antonio Obregón Barrena

Pedro Javier Reséndez Bocanegra has broad experience in governmental affairs, assisting companies in the process of implementing and contracting infrastructure projects in Mexico and other countries of Latin America. His experience includes the drafting and negotiation of legal reforms, bidding guidelines and contracts required for project development and project financing, as well as compliance with regulatory controls. Pedro is experienced in dispute resolution procedures related to ...

Armando Arenas joined OLIVARES in 2000 and became a partner in January 2017. He has experience working on a range of IP matters, including consulting and litigation on trademark, patent, unfair competition, trade dress protection, and misleading advertising cases before the Mexican Institute of Industrial Property (IMPI), Federal Court of Tax and Administrative Affairs (FCTA), Federal Circuit Courts (FCC) and the Supreme Court of Justice (SCJ) Regulatory Affairs and Public Acquisitions. Arman...

Víctor Felipe Callarisa Rivera is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Capital Markets Law and Corporate and Mergers and Acquisitions Law. Víctor Felipe, who practices law in Mexico City, Mexico, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Víctor Felipe is held by other top lawyers in the same geographic and legal practice area.

Carlos A. Ochoa Valenzuela is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law, Energy Law and Project Finance and Development Practice. Carlos A., who practices law in Mexico City, Mexico, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carlos A. is held by other top lawyers in the same geographic and legal practice area.

Zarina Beltrán Betrón is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law. Zarina, who practices law in Mexico City, Mexico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Zarina is held by other top lawyers in the same geographic and legal practice area.

PRACTICE AREAS Economic competition and corporate. ASSOCIATIONS AND PUBLICATIONS International Bar Association (IBA); Antitrust Committee. American Bar Association (ABA). “Economic Competition: Theory and Practice” Editorial Porrúa (2004); one of the few Mexican books on the subject. ACADEMIC AND PROFESSIONAL EXPERIENCE Lecturer on antitrust law at Universidad Panamericana and Universidad Anáhuac. Advises national and international clients on all areas of competition...

Mario Mejía Kargl joined Mejía Guízar y Kargl in 2009 (where he is currently a partner), having previously worked at Basham, Ringe y Correa and Hamdan, Manzanero y Asociados. His experience of more than 24 years has always been in administrative law with high specialization in public sector procurement and health law. His professional practice includes intervention in the main public procurement procedures in the country in various sectors (health -medicines and devices-,...

Ilce García is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Ilce, who practices law in Mexico City, Mexico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ilce is held by other top lawyers in the same geographic and legal practice area.

María del Carmen Sada is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. María del Carmen, who practices law in Mexico City, Mexico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which María del Carmen is held by other top lawyers in the same geographic and legal practice area.

PRACTICE AREAS Human Capital, Tax Consulting & Litigation and Inmigration ASSOCIATIONS AND PUBLICATIONS National Association of Corporate Counsel (ANADE); Former Chair of the Tax Committee. International Fiscal Association (IFA). Mexican Bar Association (Barra Mexicana, Colegio de Abogados). Association of Mexican Public Accountants (Colegio de Contadores Públicos de Mexico); International Tax Committee. Mexican-Brazilian Chamber of Commerce (CAMEBRA); Board Member. Mexican-French ...