• University of Michigan Law School (J.D. 2007); magna cum laude, Editor, the University of Michigan Journal of International Law, Order of the Coif
  • Harvard University (A.B. History and Literature, 2002)


  • Hon. M. Margaret McKeown, U.S. Court of Appeals, Ninth Circuit

Cathy Moses specializes in complex business litigation, including high-stakes employment disputes, class actions, and contract disputes. Ms. Moses has practiced in state and federal courts throughout the country, and obtained successful results for clients at all stages of litigation, including trial and appeal. Ms. Moses also has significant experience litigating and trying cases in arbitration, including in sensitive and complex employment matters.

Ms. Moses graduated from the University of Michigan Law School, magna cum laude, and earned her A.B., cum laude, from Harvard University. After graduating from law school, Ms. Moses worked as a law clerk to the Honorable M. Margaret McKeown of the United States Court of Appeals for the Ninth Circuit. From 2011 to 2012, she served as a Trial Attorney with the U.S. Department of Justice, Civil Division, in Washington, D.C., representing federal agencies at the trial and appellate levels and defending the constitutionality of federal statutes throughout the United States.

Before law school, Ms. Moses was an analyst at Goldman, Sachs & Co. in New York.

Ms. Moses currently serves as a board member of the Public Law Center (PLC) Advocates and is a member of the Orange County Asian American Bar Association.

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Representative Matters

Ms. Moses’s recent representative matters include:

  • Represented clients in several high-stakes employment actions involving claims of wrongful termination, breach of contract, violations of the California Fair Employment & Housing Act and Labor Code, whistleblower retaliation, and Bus. & Prof. Code § 17200 claims, in federal court, state court, and arbitration, resulting in favorable settlements for clients;
  • Represented plaintiff in a series of related fraud and unfair competition suits filed in various state courts and involving complex multinational issues, resulting in a favorable settlement for plaintiff.
  • Represented plaintiffs and cross-defendants in real estate partnership dispute in Orange County involving eight-figure claims for breach of contract and business torts;
  • Represented defendant in class action involving allegations of false advertising and Bus. & Prof. Code § 17200, resulting in favorable settlement for defendant;
  • Represented former executive in connection with long-running and now-terminated investigation by the Securities & Exchange Commission;
  • Representation of insureds in multiple coverage disputes in federal courts across the country, with one matter leading to a nine-figure settlement on a single policy (one of the three largest in California in 2010).
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Honors & Awards

  • Recipient, as a member of a team of Irell attorneys, of the ACLU Foundation of Southern California’s 2010 Social Justice Award for pro bono work.
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Professional Activities

  • Member, Orange County Asian American Bar Association 
  • Board Member, Public Law Center (PLC) Advocates
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Bar & Court Admissions

  • California
  • United States District Court, Northern District of California
  • United States District Court, Central District of California
  • United States District Court, Eastern District of Texas