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Marcela Waksman Ejnisman

Marcela Waksman Ejnisman

Practice Groups

Corporate Law and Foreign Investment, Mergers and Acquisitions, Media & Entertainment, Intellectual Property, Telecommunications/Information Technology, Cybersecurity & Data Privacy, Life Sciences & Healthcare, Private Equity &am


Office: São Paulo
Phone: (55 11) 5086-5471


Professional experience

Marcela has broad experience in corporate law, concentrating her work in the telecommunications and technology, intellectual property and privacy, life sciences and healthcare, and entertainment industries. She has advised clients on numerous transactions, including mergers and acquisitions, joint ventures, and corporate restructurings. Marcela uses her thorough knowledge of the technology and telecommunications sectors to assist clients with both regulatory and business issues, including the negotiation of supply agreements and other contracts, outsourcing and licensing and software development, and issues related to privacy and the Internet, among others. In the intellectual property field, she has assisted in the negotiation of technology transfers and licensing agreements. She has extensive experience in defense and registration of trademarks, patents, utility models, and industrial designs at the Brazilian Industrial Property Institute (INPI) and also advises clients on copyright and image rights-related matters.


Marcela is recommended by international legal guides such as Chambers Global, Chambers Latin America, The Legal 500, Euromoney Expert Guides, Latin Lawyer 250, Who’s Who Legal, and WTR 1000 - World Trademark Review. Marcela is LACCA Approved: Latin America’s leading private practitioner for Intellectual Property. She also was winner in Americas Women in Business Law Awards 2016 for Best lawyer in Intellectual Property in Latin America, promoted by Euromoney Legal Media Group.


  • English


  • LL.M. degree from Cornell University, USA, 1998.
  • Studied International Business and Business Law at the University of California, USA, 1995.
  • Graduate of the Law School of Pontifícia Universidade Católica de São Paulo (PUC-SP), 1992.

Additional activities:

  • Events Director of the Brazilian Association of Information Technology and Telecommunications Law (ABDI).
  • Member of the American Bankruptcy Institute.
  • Member of the International Trademark Association.
  • Member of the International Technology Law Association.


  • Co-author of the chapter "A Busca pela Infraestrutura Adequada ao Crescimento Econômico", of the book 40 Anos de Direito Empresarial no Brasil. São Paulo: Quartier Latin, 2016, p. 197-214.
  • Co-author of Practical Law - Digital Business in Brazil: Overview. London: Thomson Reuters, 2015.
  • Author of the "Moving with the Times: Major Changes to the IP Framework" chapter from the book IP Value 2009. London: Globe White Page, 2008.
  • Author of the "Generics and Biogenerics in Brazil" chapter from the book IP in the Life Sciences Industries 2008. London: Globe White Page, 2007.
  • Author of the "Privacidade Possível na Era Digital" [Possible Privacy in the Digital Age] chapter from the book E-Dicas: O Direito na Sociedade da Informação [E-tips: The Law in the Information Society]. São Paulo: Câmara E-Net, 2005.

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