About Christina L. Costley

Christina Costley is a proven securities litigator and first-chair trial lawyer who has won victories for her clients across a range of complex practice areas, including securities class actions, shareholder derivative cases, intellectual property disputes and criminal proceedings.

A winning record

Securities class actions are must win cases. Christina is a proven securities litigator who has obtained dismissal, at the pleading stage, of every securities class action and shareholder derivative case that she has defended in the last decade. And she has held that record on appeal, beating back every attempt by the plaintiff’s bar to overturn trial court dismissals. She also has an excellent record of defeating requests to enjoin shareholder votes in merger cases and other proxy contests.

In addition, and unusual amongst the securities bar, Christina has significant courtroom experience, having acted as lead counsel in 15 jury trials.

Christina has also had success defending other forms of complex litigation, including false advertising, trade secrets and software negligence.

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"Christina is smart, practical and easy to get along with. She is responsive, smart and strategic. Overall, Christina, is strategically savvy, understands business needs and is well versed in the law."

The Legal 500 United States 2022
(Securities Litigation: Defense) survey response

Practice Focus

  • Defending securities class actions and shareholder derivative lawsuits in federal and state court
  • SEC enforcement proceedings
  • Internal investigations
  • All forms of complex commercial litigation