Works to defend civil liberties, including freedoms of speech, religion and association; the right to petition the government; separation of church and state; the right to privacy; reproductive freedom; due process of law; the rights of the accused; and the right to equal treatment under the law.

The American Civil Liberties Union of Pennsylvania is a nonprofit, nonpartisan, membership organization dedicated to defending and expanding individual rights and personal freedoms throughout the entire state of Pennsylvania. Through advocacy, public education and litigation, staff and volunteers work to preserve and enhance liberties grounded in the United States and Pennsylvania constitutions and civil rights laws.