(June 2012). An amicus curiae (literally, friend of the court; plural, amici curiae) is someone who is not a party to a case and offers information that bears on the case, but who has not been solicited by any of the parties to assist a court.June 2012). An amicus curiae (literally, friend of the court; plural, amici curiae) is someone who is not a party to a case and offers information that bears on the case, but who has not been solicited by any of the parties to assist a court.