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Kathleen M. Kline

Kathleen M. Kline is a litigator, focusing on complex matters including environmental litigation, securities and derivative actions, financial services litigation, and professional liability. She has represented clients in a variety of matters, including CERCLA and Clean Water Act lawsuits, securities class actions, shareholder derivative matters, disputes regarding professional liability of insurance agents and brokers, and products liability litigation.



  • Representation of company offering e-commerce services to the health and wellness industry in connection with Section 10(b) securities class and derivative actions.
  • Representation of former directors and officers of global consumer goods company in connection with Section 11 securities class and derivative actions.
  • Representation of company offering technology and outsourcing solutions to insurers and employers against professional liability claims.
  • Representation of underflowed property owner in connection with claim for diminution in value.
  • Representation of, and defense verdict for, financial institution against breach of contract claims.
  • Coal Program Fellow, Earthjustice, 2014-2015
  • Student Volunteer, Columbia Environmental Law Clinic, 2013-2014
  • Law Clerk, Environmental Law Institute, Summer 2013
  • Legal Research Assistant, Columbia Center for Climate Change Law, 2012
  • Legal Extern, New York State Office of the Attorney General, Environmental Protection Bureau, Spring 2014

Recognition & Leadership

  • Team Member, U.S. News - Best Lawyers®, Best Law Firms Edition, "Law Firm of the Year," Environmental Law, 2016
  • Legal Advisor, Philadelphia Homebrew Club


  • J.D., Columbia Law School, 2014
    • Senior Field Reports Editor/Production Editor, Journal of Environmental Law
    • Foundation Moot Court Editor
  • B.A., summa cum laude, Purchase College, 2010
  • Pennsylvania
  • New Jersey
  • New York
  • U.S. District Court for the Eastern District of Pennsylvania
  • U.S. District Court for the District of Colorado
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Eastern District of Wisconsin