Carlos de María y Campos Segura

Mariana is the Managing Partner for our Mexico City Office. Mariana has almost 20 years of legal experience, and is admitted to law practice both in Mexico and in the State of New York, USA. Her practice is primarily focused on two fronts. The first is advising national and multinational companies in domestic and international tax issues (inbound and outbound), including mergers and acquisitions, corporate restructurings, leveraged financing and project financing, tax aspects of compliance an...

Ingrid Ortiz joined OLIVARES in 2011. She studied law at Monterrey Institute of Technology and Advanced Studies (by its acronym in Spanish “ITESM”, Tecnológico de Monterrey) in Mexico City. Ingrid is member of the Life Sciences & Pharmaceutical law at OLIVARES. Her practice is mainly focused on Intellectual Property Litigation, Regulatory and Administrative Litigation; as well as Regulatory and Compliance advisory. Her main areas of practice allow her to interact with t...

Fernando Orrantia Dworak focuses his practice in the real estate, commercial and corporate law aspects of clients participating in diverse industries, including port services, petrochemical, and hospitality services, advising clients in complex international joint venture operations, mergers, acquisition and divestitures of operations and assets, as well as domestic and cross border financing related to his client’s activities. Mr. Orrantia also advises clients in the environmental aspe...

The practice of Victor Manuel Frías is focused on commercial law, including competition, mergers and acquisitions, and arbitration. On the competition side, Mr. Frías has represented clients in numerous cartel investigations before the Competition Commission in different industries for over 20 years. He frequently represents clients in pre-merger filings. Mr. Frías has been ranked by different publications as one of Mexico’s premier competition attorneys. He often a...

Maribel Tovar Frías is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Media and Broadcasting Law. Maribel, 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 Maribel is held by other top lawyers in the same geographic and legal practice area.

Sergio Olivares, Sr. joined OLIVARES in 1987 and today leads the firm with strength and a commitment to transparency, client satisfaction, and personal service. He has been a partner since 1994 and Chairman of the Management Committee since 2009. Mr. Olivares’ breadth of experience is extensive; he is skilled in the prosecution and litigation of intellectual property rights, including trademarks, copyrights, patents, and unfair competition. He is proficient across all areas of intellect...

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...

Jorge Gutiérrez is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Jorge, who practices law in Mexico City, Mexico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jorge is held by other top lawyers in the same geographic and legal practice area.

Luis Rodolfo Flores Licona is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Luis Rodolfo, 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 Luis Rodolfo is held by other top lawyers in the same geographic and legal practice area.

PRACTICE AREAS Corporate, mergers and acquisitions, cross-border transactions, aeronautics, private international law, business entities, foreign investment, immigration, real estate, strategic alliances. ASSOCIATIONS International Bar Association (IBA). Barra Mexicana Colegio de Abogados, A.C., Nuevo León; former board member, and active coordinator of the commercial and civil law practice. Coparmex (Querétaro); Board of directors. Cámara Franco Mexicana de Comercio e In...