Dr Arman Sarvarian served as a judge ad hoc of the European Court of Human Rights
The European Court of Human Rights delivered an advisory opinion on the 29th of May 2020 in reply to a request from the Armenian Constitutional Court. Dr Arman Sarvarian, Senior Lecturer at University of Surrey School of Law, served as a judge ad hoc on the panel of judges delivering the opinion and issued a Concurring Opinion of his own.
The case concerned the standards to be applied under Article 7 (no punishment without law) of the European Convention on Human Rights in interpreting and applying an article of the Armenian Penal Code making it a criminal offence to overthrow the constitutional order, in the context of ongoing criminal proceedings against the former President of Armenia.
You may read the text of the court's Advisory Opinion here.