Contact Info

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Lucas Sun

Attorney at Law

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Lucas Cheng is an attorney at law at Licks Attorneys’ São Paulo office, where his practice focuses on patents and other intellectual property disputes. He assists domestic and foreign clients in enforcing and defending patents, trademarks, and trade secrets, and in resolving complex disputes related to innovative products, digital platforms, and regulated markets.

Before joining Licks Attorneys, Mr. Cheng developed his career in civil litigation in São Paulo, representing companies and individuals in contractual and consumer disputes before state courts. He has experience managing cases through all stages of the dispute-resolution cycle, consistently focusing on achieving practical outcomes for his clients.

+ Languages
  • Portuguese
  • English
+ Practice Areas
  • Data Protection & Cyber Security
  • Litigation
  • Patents
  • Trademarks
+ Representative Cases
+ Professional Highlights
  • Civil and commercial litigation for major financial institutions and companies that commercialize products controlled by the Brazilian Army, focusing on contractual, consumer, and regulatory matters.
+ Representative Experience
+ Affiliations
  • Brazilian Bar Association – São Paulo (OAB/SP).
+ Education
  • Postgraduate Program in Digital Law, Pontifical Catholic University of Rio de Janeiro – PUC-Rio (ongoing);
  • Bachelor of Laws (LL.B), University of São Paulo– USP (2016).
+ Publications
+ Speaking Engagements and Others
+ Articles