O’Melveny Worldwide

Antoinette Catha is a staff attorney in O’Melveny’s Washington, DC office and a member of the Litigation Department. Her practice focuses on all aspects of electronic discovery, including responsiveness and privilege reviews, fact development, and deposition preparation. Antoinette has also managed several large scale document collections and productions. She has worked on multiple securities class actions and derivative cases, internal corporate investigations, and foreign corrupt practice investigations.

Antoinette has also worked on pro bono matters including representing Holocaust survivors in their application for reparations.


  • District of Columbia
  • Louisiana


  • Tulane University, J.D.
  • Louisiana State University, B.A., History