Judgment of the Court (First Chamber) of 17 December 2020.#Fabio De Masi and Yanis Varoufakis v European Central Bank.#Appeal – Access to European Central Bank (ECB) documents – Decision 2004/258/EC – Article 4(3) – Exceptions – Document received by the ECB – Opinion from an external service provider – Internal use as part of deliberations and preliminary consultations – Refusal to grant access.#Case C-342/19 P.