- Civil marriage equality in effect at the state level since 2014. (Same-sex couples may legally marry.)
- 2 cases in Federal District Court (3rd), 3 cases in state trial court.
- PA has prohibited same-sex marriage by statute (state law) since 1996.
- Attempts to amend the state constitution to ban marriage equality were made in 2006, 2008, 2010, 2011, and 2013. All failed.
- Several attempts to legalize same-sex civil marriages failed in the state legislature while the Republicans had the majority in either House.
- Marriage equality in PA finally became legal on 20 May 2014, when U.S. Federal District Judge John E. Jones III ruled that the Commonwealth's 1996 statutory ban on same-sex marriage was unconstitutional.