Carlos A. Ruiz Romero

Daniel Sanchez joined OLIVARES in 2000 and became a partner in 2011. He is one of the leading intellectual property (IP) and administrative litigators in Mexico and is recognized by industry rankings and publications. Mr. Sanchez’s work is extensive, with experience in prosecution and litigation across all areas of IP, including trademarks, copyrights, patents and unfair competition. His broad background allows him to tailor enforcement strategies to a range of needs. His practice is fo...

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

Guillermo Treviño’s tasks comprise obtaining protection for our clients of: reserva rights (names of TV programs, printed matter, diffusion via computer networks, names of fiction characters or human characterizations and their features, etc.) recordation of works (drawing, computer programs, photography, audiovisual works, applied art, etc.), in order that third parties do not seek to use such protections in the Copyright field. He deals with negotiations with collecting societi...

Juan Manuel González Bernal has over 20 years of experience handling complex project finance transactions representing sponsors, developers, structuring agents and lenders across all sectors (airports, transportation, water, energy and waste management, among others), and has focused on public procurement and the legal regime applicable to public works and services, and public-private partnerships in Mexico. Juan Manuel is a founding member of Greenberg Traurig’s Mexico City offi...

Nelson Guerrero Robles is partner at Marván, González Graf y González Larrazolo, a leading Labor & Employment law firm in Mexico with offices in Mexico City, Guadalajara and Michoacán. His practice focuses both on transactional work, labor consulting, collective bargaining and complex dispute resolution, with a special focus on the implementation of strategies in union conflicts and regulation of outsourcing. He is the lead partner for some of the largest clien...

Associate of Uhthoff in Mexico since 2012, where he is part of the Litigation Department. Oliver focuses on litigation of trademarks and copyrights and its enforcement, as well as anti-counterfeiting issues before the FGR and Mexican Customs. Also, he is active on domain name disputes and counseling to multinational companies.

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.

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.

PRACTICE AREAS Joint ventures, mergers and acquisitions, reorganizations, foreign investment; national and international government contract bidding process; energy, infrastructure and mining projects. ASSOCIATIONS Barra Mexicana Association. Institute of Energy Law. Rocky Mountain Mineral Law Foundation. Association of International Petroleum Negotiators. International Bar Association. PROFESSIONAL EXPERIENCE Firm member since 1996; worked as an international consultant in the private sector...

Law degree summa cum laude Escuela Libre de Derecho; best thesis dissertation award 2003-2004; LL.M. 2006 Columbia University School of Law, Parker School Award for Achievement in International and Comparative Law. Participated on several defences by the leading telephone and mobile companies since 1999. Since 2004 he has been an active attorney participating in complex dispute resolution in the field, including regulatory, antitrust, M&A, constitutional, administrative and commercial mat...