Oscar Margain

Andrés Mascarua is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Andrés, 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 Andrés is held by other top lawyers in the same geographic and legal practice area.

Roberto is partner of TC&L and specialist in the tax law team of the firm. Through his career, Roberto has developed his practice in the fields of strategic tax control (as former tax official), as well as in the fields of tax advisory, tax planning and estate planning, both national and internationally; transfer pricing and intercompany transactions; tax consequences of corporate restructures, and tax litigation, among others. Roberto holds a degree in Law from the “Universidad de ...

Intellectual Property specialist and lead of the Copyright department, he has more than 11 years of experience providing services such as the registration of works, reservations of rights for the exclusive use, protection of related rights, application for ISBN and ISSN numbers, right of publicity and image rights specialist, development of contracts and agreements, application for certificates of legality of title and content, and dispute resolution cases. Likewise, providing legal services ...

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.

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...

PRACTICE AREAS Aerospace PROFESSIONAL EXPERIENCE Of counsel to the corporate and transportation practice groups at the Mexico City office. His practice of over 20 years has focused in corporate advice to domestic and international companies, some of them highly regarded in the aviation, bus, cargo industries and telecomm industries and advising as to corporate, financial and regulatory matters. Ricardo has also advised as to major and landmark acquisitions transactions in Mexico, and also as ...

PRACTICE AREAS Intellectual property, consulting in the field of trademarks and copyright. ASSOCIATIONS AND PUBLICATIONS Mexican Association for the Protection of Intellectual Property (AMPPI); board member (2019-2021); Former President of the Trademark Committee. International Trademark Association (INTA); member of the Internet Committee. Abogadas MX; mentor in the mentorship program. “Finally, a Trademark Opposition System for Mexico” in ExpertGuides magazine. “How trade ...

Jorge E. González is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Capital Markets Law and Debt and Equity Practice. Jorge E., 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 Jorge E. is held by other top lawyers in the same geographic and legal practice area.

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...

Eduardo Medina Zapata is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Eduardo, who practices law in Mexico City, Mexico, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eduardo is held by other top lawyers in the same geographic and legal practice area.