On May 1, 2012, the ACLU of Pennsylvania, the Advancement Project, the Public Interest Law Center of Philadelphia (PILCOP), and the Washington, DC law firm of Arnold & Porter LLP filed a lawsuit in the Commonwealth Court of Pennsylvania to overturn the voter ID law passed by the General Assembly in March 2012.
https://www.aclupa.org/en/cases/applewhite-et-al-v-commonwealth-pennsylvania-et-al