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Eduardo Hallak

Founding Partner

"He has a long track record and handles important patent matters."

Chambers Global 2025

"He is a contentious and commercial ace. Called on by clients and colleagues for his strategic mindset, he navigates challenging mandates with ease."

WTR 1000 - 2025

Eduardo Hallak confronts contentious matters with confidence.

IAM Patent 1000 - 2024

He is an ace.

Chambers Brazil Contentious: IP - Patent 2024

He has a long track record and handles important patent matters.

Chambers Brazil Contentious: IP - Patent 2024

Eduardo Hallak is a well regarded lawyer with vast experience advising clients on complex patent litigation both in Brazil and globally.

Who’s Who Legal: Life Sciences 2024

His contentious expertise makes him a regular port of call for transactional advice keyed to potential industry conflicts.

WTR 1000 - 2024

A go-to litigator for fraught trademark disputes in São Paulo.

WTR 1000 - 2024

"A go-to partner in the team for strategic portfolio planning and R&D matters in the pharmaceutical sector"

The Legal 500: Intellectual Property 2023

“Approaches contentious matters with diligence”

IAM Patent: Patent Litigation 2023

"He not only has in-depth legal technical skills, but also knows very well how the business works."

Chambers Global: Patent 2023

“Highly recommended for his expertise in litigation and non-litigation patent issues.”

Business Today: Intellectual Property 2023

Eduardo Hallak is a founding partner at Licks Attorneys and leads the firm’s Sao Paulo office. With over a decade of experience, he has established himself as a prominent litigator in complex disputes and leading cases in Brazil.

Mr. Hallak specializes in litigation involving patent law, competition, and regulatory compliance, with a particular focus on the life sciences sector. He also has extensive experience in trademark litigation and technology transfer contracts, assisting multinational clients in establishing robust brand protection and licensing programs in Brazil.

As an educator, Mr. Hallak serves as a professor of IP litigation in the post-graduate program at the prestigious Pontifical Catholic University of Rio de Janeiro (PUC-Rio) and has taught Civil Procedure at the Brazilian Association of IP Agents (ABAPI). A frequent speaker on procedural and strategic aspects of IP litigation, he also serves as a member of the Special Commission on Mediation of the Rio de Janeiro Chapter of the Brazilian Bar Association (OAB-RJ) and the Enforcement Committee of the International Trademark Association (INTA).

Mr. Hallak's excellence is consistently recognized by esteemed publications, including Chambers and Partners, The Legal 500, and Who’s Who Legal . Client testimonials praise him for having “in-depth legal technical skills, but also knowing very well how the business works”, as well as for “his contentious expertise that makes him a regular port of call for transactional advice keyed to potential industry conflicts”.

+ Languages
  • Portuguese
  • English
+ Practice Areas
  • Litigation
  • Government Affairs & International Relations
  • Regulatory
  • Patents
  • Trademarks
  • Antitrust & Competition
  • Copyright & Software
  • Plant Variety Protection
  • Life Sciences
+ Representative Cases
+ Professional Highlights
  • Leaders League – Civil and Commercial Litigation (2025, 2024, 2022, 2018);
  • Chambers Global – Intellectual Property – Patent – Brazil (2025, 2024, 2023);
  • WTR 1000 – Trademark (2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2016);
  • Análise Advocacia – Intellectual Property (2025, 2024/2023, 2022, 2021, 2018);
  • Análise Advocacia – Pharmaceutical (2025, 2024/2023, 2021, 2018, 2017);
  • Análise Advocacia – Rio de Janeiro (2025, 2021);
  • Análise Advocacia – Agriculture and Livestock (2025);
  • Legal 500 Latin America – Intellectual Property (2025, 2023, 2022, 2019, 2018, 2017);
  • Legal 500 Latin America – Life Sciences (2025, 2024, 2023, 2022);
  • Leaders League – Life Sciences (2024, 2023, 2022, 2021, 2019, 2018, 2017);
  • Leaders League – Trademark Litigation (2024, 2023, 2022, 2021, 2019, 2018);
  • IAM Patent 1000 – Patent Litigation (2024, 2023, 2022, 2021, 2020, 2019, 2018);
  • IP Stars – Trademark Star (2024, 2023, 2022, 2021, 2020, 2019);
  • Who’s Who Legal – Life Sciences – Patent Litigation (2024, 2023);
  • Chambers Brazil Contentious – Intellectual Property – Patent (2024, 2023, 2022);
  • Análise Advocacia – Sao Paulo (2023, 2022, 2018);
  • WIPR Leaders (2022, 2020, 2019, 2018, 2017);
  • Chambers Brazil – Industries & Sectors – Life Sciences (2023, 2022, 2021);
  • Best Lawyers – Intellectual Property (2023, 2022);
  • Best Lawyers – Biotechnology and Life Sciences Practice (2023, 2022, 2021, 2020);
  • LACCA Approved – Intellectual Property (2023, 2022, 2021, 2020, 2019);
  • Best Lawyers – Litigation (2023);
  • Leaders League – Patent Litigation (2022, 2021, 2019, 2018);
  • Análise Advocacia – Health (2022);
  • Who’s Who Legal – National Leader – Brazil – Intellectual Property – Trademarks (2022);
  • Who’s Who Legal – National Leader – Brazil – Life Sciences (2022);
  • Análise Advocacia – Chemical and Petrochemical (2021);
  • Análise Advocacia 500 – Brazil (2021, 2018, 2017);
  • Benchmark Litigation – Intellectual Property (2021);
  • Chambers Latin America – Life Sciences (2021, 2020, 2019, 2018);
  • Benchmark Litigation – Litigation Star (2020, 2019, 2018);
  • Leaders League – Technology (2019, 2018);
  • Benchmark Litigation (2019);
  • Análise Advocacia – Paper and Cellulose (2018).
+ Representative Experience
+ Affiliations
  • Brazilian Bar Association – Rio de Janeiro (OAB/RJ);
  • Brazilian Intellectual Property Association (ABPI);
  • American Intellectual Property Law Association (AIPLA);
  • Pharmaceutical Trade Marks Group (PTMG);
  • International Trademark Association (INTA).
+ Education
  • Master candidate, Civil Procedure Law, Rio de Janeiro State University – UERJ (2011);
  • Bachelor of Laws (LL.B), Rio de Janeiro State University – UERJ (2005).
+ Publications
+ Speaking Engagements and Others
+ Articles