Hanna Kostamaa is an associate in the Los Angeles office of Latham & Watkins and member of the firm's Litigation Department.

Hanna has represented clients in a wide range of complex commercial litigation matters, including contractual disputes, entertainment and defamation matters, and antitrust claims, including class actions. Hanna has advised clients across a variety of industries, including entertainment, hospitality and leisure, manufacturing, and consumer products.

She has experience across all stages of litigation, including participating in initial case strategy, managing fact and expert discovery, and assisting with arbitration proceedings. She has also drafted successful motions to dismiss, motions to compel, and post-trial briefs.

Prior to joining Latham, Hanna graduated from UCLA School of Law. While there, she served as a managing editor of the UCLA Law Review, participated in UCLA’s Documentary Film Legal Clinic, and was named a Masin scholar. Hanna was also a summer associate at Latham.

Bar Qualification

  • California

Education

  • JD, UCLA School of Law, 2022
    Michael T. Masin Scholar, Order of the Coif
  • BA in Literary Arts and Music, Brown University, 2016
    with honors