Juan Manuel Castellanos Rueda

David Argueta is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law and Corporate and Mergers and Acquisitions Law. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

Founding Partner Born in Mexico City on January 29, 1968; He obtained his law degree (JD) at Universidad Anáhuac in 1992 and postgraduate course on business law at the Escuela Libre de Derecho in 1993-1994. Mr. Del Rio worked at Creel, García Cuellar & Mügenburg, S.C. for two years, and in Bufete Carrillo Gamboa, S.C. for eighteen years, being partner for such firm for the last nine years. He has focused his practice in corporate law, commercial Law, financial Law, fore...

Founding member and partner since 2016 of the Mexican recognised litigations boutique, Malpica, Iturbe, Buj & Paredes. Rolando Zarate’s practice focuses on civil, commercial, administrative and constitutional litigation, as well as ADRs and bankruptcy proceedings. He has successfully represented companies, financial entities and individuals before the Mexican Supreme Court, federal and local courts, and arbitral panels, and before administrative authorities. Ranked and recognised by...

Diego Gómez-Haro has almost 20 years of experience serving as the lead or local counsel advising a broad range of clients, including private equity funds, financial institutions, venture capital firms, corporate clients, and family offices, in domestic and international transactions in Mexico. He has substantial experience in mergers and acquisitions and corporate transactions, including structuring of investment vehicles, asset and stock acquisition and disposition, project developmen...

Joselino Morales Lopez is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law. Joselino, 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 Joselino is held by other top lawyers in the same geographic and legal practice area.

Samuel Bissu Bazbaz is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Samuel, 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 Samuel 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...

PRACTICE AREAS Intellectual and Industrial Property, entertainment law and administrative litigation ASSOCIATIONS AND PUBLICATIONS Mexican Association for the Protection of Intellectual Property (AMPPI); Member of the litigation; diversity and inclusion committees National Association of Business Lawyers (ANADE); Former Chairman of the Intellectual Property Committee International Trademark Association (INTA); Member of the internet committee International AntiCounterfeiting Coalition (IACC)I...

Eduardo Leal Sánchez is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Eduardo, who practices law in Santiago de Querétaro, Mexico, has been recognized since 2026. 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.

Alonso joined OLIVARES in 1995 and became a partner in 2008. He is a highly experienced trademark attorney who represents many of the firm’s key clients and their well-known brands. His team serves as the heartbeat of Olivares’ trademark practice. Alonso Camargo’s clients “draw confidence from his complete dedication to their cause,” according to World Trademark Review’s WTR 1000. Alonso joined OLIVARES in 1995 and became a partner in 2008. He is a highly e...