On January 20, the Grand Chamber of the European Court of Human Rights (ECtHR) rendered a final decision in the case of Magyar Kétfarkú Kutya Párt (MKKP) v Hungary. The case concerned freedom of expression as guaranteed by Article 10 ECHR in an election context – in particular the use of a mobile application made available by a political party (MKKP) where voters could share an anonymous photo of their invalid paper ballots alongside political messages as a sign of protest against a national referendum. The National Election Committee imposed a fine on MKKP, giving rise to the question of whether there has been a violation of the political party’s freedom of expression. The Grand Chamber held that the legal rules that constituted the basis for imposing a fine on MKKP were insufficiently foreseeable for the purposes of Article 10(2), did not rule out arbitrariness in its application and did not enable MKKP to regulate its conduct. As such, the Court held that there has been a violation of Article 10 of the Convention.