Meythaler & Zambrano


Meythaler & Zambrano, founded in 1995, is an Ecuadorian firm highly specialized in Intellectual Property, Life Sciences, Dispute Resolution, Antitrust, Public Procurement, and Litigation advising an impressive portfolio of national and international clients, mostly pharmaceutical and agrochemical, cosmetics, food & beverage, and telecommunication companies.

To provide comprehensive, practical, and timely advice, we have a team of 35 lawyers specializing in various areas of law. The scope of our professional resources translates into a comprehensive, efficient, and high-quality professional service with a competitive price and cost structure.

We have recently achieved jurisprudential precedents in foreign trade, test data and patent protection, drug pricing, and collusion in public procurement processes. Our success is based on efficient and prompt communication with our clients, strict compliance with the law and ethics, and the effective defense of our client's individual and corporate rights and needs.

Meythaler & Zambrano has offices in the main cities of Ecuador: Quito and Guayaquil, belonging to a wide network of correspondents in America, Asia, and Europe.


  • Quito
  • Guayaquil


Antitrust & Unfair Competition
Arbitration & Mediation
Civil & Commercial Law
Corporate Law
Data Protection
Intellectual Property
Life Science
Regulatory Affairs
Tax & Customs


José Meythaler Senior Partner
Margarita Zambrano Partner
Karina Loza Partner

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