Sebastián Meythaler leads the Intellectual Property Department at Meythaler & Zambrano Abogados. He advises local and multinational companies on protecting and enforcing their intangible assets, particularly in regulated industries.

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His practice combines IP litigation with administrative law, regulatory matters and competition law. He handles patent infringement and patentability disputes, regulatory exclusivity matters and competition cases, always keeping in view the legal factors that affect how products reach the market.

He also has experience in arbitration, mediation and dispute resolution. This allows him to weigh different routes of defense and design strategies that balance the rights at stake with each client’s business goals.

His work has been recognized by Chambers & Partners, The Legal 500 and Leaders League. Chambers highlights his legal judgment, analytical skills and ability to anticipate scenarios, while The Legal 500 identifies him as a key contact for local and multinational pharmaceutical companies on intellectual property matters.

• Intellectual property and IP litigation.

• Patentability and patent infringement.

• Pharmaceutical law and biologics.

• Regulatory exclusivity and pharmaceutical test data protection.

• Administrative law and regulatory affairs.

• Antitrust and competition law.

• Arbitration, mediation, and dispute resolution.

• Plant variety protection and traditional knowledge.

Director of Intellectual Property
Meythaler & Zambrano Abogados
2025–Present.

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Head of Intellectual Property Litigation
Meythaler & Zambrano Abogados
2023–2025.

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Deputy Head of Dispute Resolution
Meythaler & Zambrano Abogados
2022–Present.

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Deputy Head of General Litigation
Meythaler & Zambrano Abogados
2022–Present.

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Head of Arbitration and Mediation
Meythaler & Zambrano Abogados
2019–Present.

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Legal Assistant, Civil Litigation
Meythaler & Zambrano Abogados
2019.

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Legal Assistant, Intellectual Property Litigation
Meythaler & Zambrano Abogados
2014–2019.

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Legal Intern
Court of Justice of the Andean Community

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Legal Intern
Servicio Nacional de Derechos Intelectuales (SENADI)

Master’s Degree in Administrative Law
Universidad Espíritu Santo

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Law Degree
Universidad de los Hemisferios

The Legal 500 Latin America 2027
Recognized as one of the firm's leading intellectual property practitioners and a key reference for local and multinational pharmaceutical companies in all IP matters.

Chambers Latin America 2027
Ranked as an Associate to Watch in Intellectual Property, Ecuador.

The Legal 500
Named in the editorial commentary for the firm’s Tier 2 Intellectual Property practice as one of its leaders and a key contact for domestic and multinational pharmaceutical clients.

Leaders League 2026
Excellent — IP Litigation.
Highly Recommended — Enforcement & Anti-Counterfeiting Actions.

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Leaders League 2023–2024
Excellent — Administrative Litigation.
Valuable Practice — Dispute Resolution: Civil and Commercial Litigation.

2025

• Ecuador: Intellectual Property – Country Comparative Guides. The Legal 500, 9th Edition, September 2025.

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2024

• Ecuador: An Introduction to Intellectual Property. Chambers & Partners, January 2024

2023

• Thought Leader - Copyright and IP Law Trends in Ecuador. Lawyer Monthly Magazine, June 2023.

• Life Science 2023 Ecuador - Law and Practice. Chambers & Partners Global Practice Guides, May 2023.

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2022

• Ecuador: Patent Litigation. Exclusive Contributor. Legal 500, October 2022.

• Intellectual Property Comparative Guide. Exclusive Contributor. Legal 500, July 2022.

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2021

• Intellectual Property Comparative Guide. Exclusive Contributor. Legal 500, July 2021.

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2019

• Colección de Propiedad Industrial e Intelectual y Su Valor para el Crecimiento y la Salud. ESDIN. ElDial.com, November 2019.

• Criterios de Patentabilidad Farmacéuticas y Bio en Latinoamérica. ASDIN. ElDial.com, October 2019.

Spanish and English