Case C-430/20 P: Judgment of the Court (Second Chamber) of 12 May 2022 — Christoph Klein v European Commission (Appeal — Article 265 TFEU — Action for failure to act — Directive 93/42/EEC — Medical devices — Article 8(1) and (2) — Safeguard clause procedure — Notification by a Member State of a decision prohibiting the placing on the market of a medical device — Prolonged lack of reaction on the part of the European Commission — Absence of a decision — Admissibility — Locus standi — Out of time — Request for action to be taken within a reasonable time — Principle of good administration — Obligation to state reasons of the General Court of the European Union)