Thomas S. Heather

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...

Regina Legorreta Palomino is a lawyer recognized by Best Lawyers in the practice area of Project Finance and Development Practice. Regina practices law in Mexico City, Mexico Best Lawyers has recognized Regina Legorreta Palomino since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Regina Legorreta Palomino is held by other lawyers.

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...

Mariana Campos Clasing is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Mariana practices law in Mexico City, Mexico Best Lawyers has recognized Mariana Campos Clasing since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mariana Campos Clasing is held by other lawyers.

Fernando Mejía is a lawyer recognized by Best Lawyers in the practice area of Administrative Law. Fernando practices law in Mexico City, Mexico Best Lawyers has recognized Fernando Mejía since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Fernando Mejía is held by other lawyers.

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...

Since 2006 Manuel has collaborated with the firm "Uhthoff, Gomez Vega & Uhthoff", working in the ​​Patent Technical Area, specifically in the Areas of Mechanics, Electrical, Industrial Designs and Utility Models, focused on Information Technology, Software, Internet, Telecommunications, Electronic Commerce, Mobile Devices, Artificial Intelligence, Robotics, Metaverse, Machine Learning, and Blockchains, participating in the drafting, searches, technical analysis and infringement, of design...

Alfonso heads the Civil and Commercial Litigation and Alternative Dispute Resolution practice and has wide experience representing clients in complex litigation cases before federal and local courts throughout Mexico and handling international arbitration cases in the oil & gas, power generation, manufacturing and automotive industries. Alfonso is also part of the Energy Industry Group, as dispute resolution specialist in that sector. He has ample experience in constitutional remedy (ampa...

José Berrueta has developed significant experience in capital markets, banking and finance and financial regulation during more than 18 years. His practice has increasingly focused on representing issuers and underwriters in respect of domestic and international debt and equity offerings, including corporate bond offerings, equity offerings and structured instruments. As to his banking and finance practice, he has represented domestic and international lenders in structuring and restru...

Alejandro Landa Thierry is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law and Project Finance and Development Practice. Alejandro practices law in Mexico City, Mexico Best Lawyers has recognized Alejandro Landa Thierry since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alejandro Landa Thierry is held by other l...