Jo-Ann Sagar | Washington, D.C. | Hogan Lovells

Jo-Ann Sagar

Partner Litigation, Arbitration, and Employment

Sagar Jo-Ann

Jo-Ann Sagar
Sagar Jo-Ann
  • Overview
  • Experience
  • Credentials
  • Insights and events

Jo-Ann Sagar focuses on appellate litigation in state and federal courts. Jo-Ann’s work spans many sectors, from constitutional and administrative law, to technology and telecommunications, to education and employment. She has briefed cases on these topics before federal and state appellate courts, including both certiorari and merits stage briefs at the United States Supreme Court. She has also argued appeals and motions before numerous federal appellate and district courts.

Prior to joining Hogan Lovells, Jo-Ann served as a law clerk for Justices Stephen Breyer, Brett Kavanaugh, and Ketanji Brown Jackson of the United States Supreme Court. Jo-Ann clerked for Justice Kavanaugh when he was a judge on the United States Court of Appeals for the District of Columbia Circuit.  Jo-Ann clerked for Justice Jackson when she was a judge on the United States District Court for the District of Columbia.

Between her clerkships, Jo-Ann also gained significant experience in the federal government. She served as a Bristow Fellow in the Office of the Solicitor General at the United States Department of Justice. During that time, Jo-Ann assisted with numerous cases before the Supreme Court and advised the Solicitor General on cases pending before the lower federal courts. Jo-Ann also served as an attorney-adviser in the Office for Civil Rights at the Department of Health and Human Services, where she provided legal counsel to the agency as it navigated a complex rulemaking pertaining to the Affordable Care Act.

Jo-Ann also maintains an active pro bono practice focusing on civil rights and prison conditions. She has led diverse teams in high-stakes impact litigation, challenging federal regulations and State policies and practices. She has also handled individual representations, litigating appeals and filing petitions for certiorari for incarcerated people.

Jo-Ann attended Harvard Law School, where she graduated cum laude and was President of the Board of Student Advisers.


  • J.D., Harvard Law School, cum laude, 2014
  • B.A., Princeton University, magna cum laude, 2009
Bar admissions and qualifications
  • New York
  • District of Columbia