Edelson PC
Law PracticeIllinois, United States51-200 Employees
Edelson PC is a Chicago-based law firm that concentrates on high-stakes plaintiff-side litigation, including class actions, mass actions, and public client investigations and prosecutions. The firm’s work has produced more than $20 billion in settlements and verdicts, with roles ranging from lead counsel to broader leadership structures. Its record includes the largest jury verdict in a privacy case ($925 million), the largest consumer privacy settlement ($650 million), and the largest TCPA settlement ($76 million). The firm has contributed to significant legal developments, including a U.S. Supreme Court privacy decision in Robins v. Spokeo and major actions against financial institutions in the wake of the housing crisis. A recent development is Edelson PC’s collaboration with Rice Parsons Leoni & Elliott LLP to pursue claims in California on behalf of Tumbler Ridge victims against OpenAI, announced in April 2026. The firm is headquartered in Chicago, Illinois.