Lorenza Langarica O'Hea

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...

PROFESSIONAL EXPERIENCE Partner of the firm in the Banking, Finance and Corporate areas in the Mexico City office. He has developed his practice for over 15 years, focusing on national and international transactions, including structuring and reorganizing debt, securitizations, factoring, financial leasing, financing, guarantees and security interests, as well as in capital markets, fintech, mergers and acquisitions, incorporations, and other finance and corporate transactions. Author of vari...

Tania Terrazas Arnaldo is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Tania practices law in Mexico City, Mexico Best Lawyers has recognized Tania Terrazas Arnaldo 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 Tania Terrazas Arnaldo is held by other lawyers.

Victor Ramírez is co-leader of OLIVARES’ trademark practice group, focusing chiefly on counseling, negotiating and prosecuting Industrial Property disputes (nullity, caducity and infringement proceedings) before the Mexican Patent and Trademark Office (IMPI). Victor Ramírez is co-leader of OLIVARES’ trademark practice group, focusing chiefly on counseling, negotiating and prosecuting Industrial Property disputes (nullity, caducity and infringement proceedings) before...

Mauricio Narváez is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Mauricio practices law in Mexico City, Mexico Best Lawyers has recognized Mauricio Narváez 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 Mauricio Narváez is held by other lawyers.

Oscar Bojorge is a partner at Marván, González Graf y González Larrazolo, where his practice focuses on labor and employment litigation and advisory work. He joined the firm more than seven years ago and regularly advises clients on the design and implementation of labor relations management strategies. Oscar has also been actively involved in the firm’s internal training programs, reflecting his strong commitment to continuous professional development and keeping a...

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...

Rosa María Cuevas Brun is a lawyer recognized by Best Lawyers in the practice area of Corporate and Mergers and Acquisitions Law. Rosa María practices law in Mexico City, Mexico Best Lawyers has recognized Rosa María Cuevas Brun 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 Rosa María Cuevas Brun is held by other lawyers.

Adriana Garcia-Cuellar is a lawyer recognized by Best Lawyers in the practice area of Corporate and Mergers and Acquisitions Law. Adriana practices law in Mexico City, Mexico Best Lawyers has recognized Adriana Garcia-Cuellar since 2023. 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 Adriana Garcia-Cuellar is held by other lawyers.

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...