Case C-150/17 P: Judgment of the Court (First Chamber) of 13 December 2018 — European Union, represented by the Court of Justice of the European Union v Kendrion NV, European Commission (Appeal — Actions for damages — Second paragraph of Article 340 TFEU — Excessive duration of the proceedings in a case before the General Court of the European Union — Compensation for damage allegedly suffered by the applicant — Material damage — Bank guarantee charges — Causal link — Default interest — Non-material damage)