Kathleen R. Hartnett


+1 415 693 2071

Kathleen Hartnett is an experienced trial and appellate lawyer who represents plaintiffs and defendants in high-stakes civil litigation, investigates business-sensitive matters and provides strategic counseling. Her practice spans commercial, regulatory and constitutional matters, including serving as counsel to leading global technology companies in high-stakes commercial and class action litigation. She has also counseled, investigated and litigated founder disputes and employment issues. Kathleen has worked closely with industry and government leaders facing complex challenges involving litigation, policy and politics. She also has significant pro bono and public-oriented litigation experience. In all of her representations, Kathleen brings a deep concern for the client and the client’s objectives – and the tireless effort needed to achieve those objectives.

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  • Harvard Law School
    JD, magna cum laude

  • Harvard College
    AB, Government
    magna cum laude

Admissions & Credentials


District of Columbia

New York


+1 415 693 2071 office

101 California Street
5th Floor
San Francisco, CA 94111-5800