On 10 December 2018, the Court of Justice of The European Union (CJEU) issued its judgment on whether the UK may unilaterally revoke its notification under Article 50 of the Treaty on European Union (TEU) for withdrawing from the EU, or if such a revocation requires a unanimous decision of the European Council (i.e., all the remaining 27 Member States). In its judgment, the CJEU agreed with a recent opinion of the Advocate General, finding that the UK may unilaterally decide to revoke the Article 50 notification and that requiring a unanimous decision would be incompatible with the principle that...