The Brennan Center, along with the National Association of Criminal Defense Lawyers, the Southern Center for Human Rights, the National Legal Aid and Defender Association and the American Civil Liberties Union, filed an amicus brief with the United States Supreme Court in support of a petitioner seeking the right to counsel in civil contempt proceedings where he or she faces incarceration.

The Brennan Center co-authored an amicus brief signed by 62 former prosecutors in support of a suit that challenges New York's indigent defense system.