The Pennsylvania Supreme Court has made clear that it permits amici curiae to submit briefs in cases that the court accepts on certification from federal appellate courts.

The Pennsylvania Rules of Appellate Procedure generally permit the submission of amicus briefs in any matter pending before the Commonwealth’s appellate courts, except for petitions for allowance of appeal. Pa.R.A.P. 531(a). Petitions for allowance of appeal are the primary means by which appellants obtain discretionary Supreme Court review of appellate decisions of the Superior and Commonwealth courts.