Sophie Leff

Sophie Leff focuses her practice on civil litigation and investigations, particularly in the health care and life sciences sectors. She has experience defending clients in investigations and litigation brought by federal agencies and qui tam whistleblowers under the False Claims Act (FCA) and similar fraud and abuse laws. Sophie also has counseled health systems, provider networks, medical device manufacturers, and digital health and health technology companies on regulatory and compliance matters.

While clerking on the United States Court of Appeals for the Sixth Circuit, Sophie gained experience in a wide range of subject areas and litigation postures, including contract, consumer protection, and securities law, as well as mass tort, products liability, and employment discrimination disputes. As a clerk, Sophie developed particular familiarity with doctrine and mechanics of class certification.

Sophie maintains an active pro bono practice. She represents clients seeking a variety of immigration relief at the trial and appellate levels and also works on pro bono criminal appeals and habeas cases.