Sean D.Yi


San Diego + 1.858.314.1183

Sean Yi's practice involves complex commercial litigation in state and federal courts and arbitrations. He has experience in class action securities fraud actions, contractual disputes, bankruptcy matters, government investigations, and financial products litigation. He is involved in cases dealing with blockchain, cryptocurrencies, residential mortgage-backed securities, interest rate swaps, and IBOR manipulation matters. He also has worked in insurance recovery matters for policyholders in disputes involving professional liability, commercial general liability, directors and officers liability, and catastrophic property loss.

Sean is also actively involved in pro bono immigration matters. He has assisted clients in filing petitions for Special Immigrant Juvenile Status, asylum, and Family Unity Benefits.


  • Board committee of U.S. public company conducts internal review of related-party transactionsJones Day represented the special committee of a U.S. public company in connection with its internal investigation of related-party transactions in the U.S. and China involving company founders and senior executives.
  • Major Indian pharmaceutical company resolves securities fraud class action relating to FDA warning letterJones Day resolved a class action lawsuit filed against a major Indian pharmaceutical company in federal court, alleging violations of the federal securities laws in connection with a warning letter issued by the U.S. Food and Drug Administration ("FDA") to the company.