Agreement on the two EU regulations which make the unitary patent possible was reached during the European Council of 28–29 June 2012, and by the European Parliament on 11 December 2012. The provisions will apply once the related Agreement on a Unified Patent Court, which was signed by all EU member states except Croatia, Poland and Spain, enters into force. However, Spain has introduced two actions for annulment, against the two regulations, which were dismissed in May 2015 the EU Court of Justice.