Rafael Romo

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...

Habib Díaz Noriega has extensive experience in dispute resolution concerning several areas of law (i.e. constitutional, amparo, bankruptcy, IP, civil, commercial, family and administrative matters). He is a well known amparo expert (constitutional review process) and has also represented foreign companies in different industries against the Mexican Federal government concerning government contracts before the courts in Mexico. Habib is familiar with the US court system due to his continuous i...

Elizabeth Tovar focuses her practice on corporate, M&A, and real estate law. She has advised leading companies, investors, and private equity funds in a wide range of M&A transactions. Her experience also includes advising institutional investors, real estate investment funds, and major companies on all aspects of commercial, residential, retail, and industrial real estate transactions, including acquisitions, leasing, development, construction, and joint ventures. Before joining TASC...

Mariana is a patent attorney with more than 13 years of experience in IP. She studied chemistry and law at the Universidad Nacional Autónoma de México (UNAM). She also holds a master degree in top management and is a Certified Licensing Professional(R). She joined BC&B in 2008 where she has had a balanced practice covering patent prosecution, IP transactional matters and litigation, both locally and abroad. More specifically, her practice focuses on the areas of substantive ...

Aldo González Melo is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law, Energy Law and Project Finance and Development Practice. Aldo, 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 Aldo is held by other top lawyers in the same geographic and legal practice area.

Luz Elena Elías is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Luz Elena, 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 Luz Elena is held by other top lawyers in the same geographic and legal practice area.

Mariana Campos Clasing is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Mariana, 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 Mariana is held by other top lawyers in the same geographic and legal practice area.

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-,...

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 ...

Guillermo Sánchez Chao is a top attorney recognized by Best Lawyers in the practice area(s) of Customs and Excise Law, International Trade and Finance Law, Tax Law and Trade Law. Guillermo, who practices law in Mexico City, Mexico, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Guillermo is held by other top lawyers in the same geographic and legal practice area.