Kate Johnstone is an associate in the Los Angeles office of Latham & Watkins and a member of the firm's Corporate Department.

Ms. Johnstone received her JD from UCLA School of Law, where she was elected to the Order of the Coif, and received faculty awards for Energy Law, Local Government Law, and Professional Responsibility.

Ms. Johnstone’s practice focuses on environmental and energy regulatory, land use, and climate policy matters.  She has experience in matters involving the California Environmental Quality Act, the Subdivision Map Act, and local planning, zoning, and historic preservation laws, among other environmental laws.

Prior to joining Latham, Ms. Johnstone served as a judicial extern to Judge Jean P. Rosenbluth in the Central District of California, and worked as a law clerk for the Environmental Defense Fund. While in law school, she served as Chief of Production of the UCLA Criminal Justice Law Review and President of the UCLA Environmental Law Society.

Bar Qualification

  • California


  • JD, University of California, Los Angeles School of Law, 2021
    Order of the Coif, Certificate of Specialization in Environmental Law
  • BA, Occidental College, 2015
    cum laude