Case C-783/18 P: Judgment of the Court (Tenth Chamber) of 12 December 2019 — European Union Intellectual Property Office v Wajos GmbH (Appeal — EU trade mark — Regulation (EC) No 207/2009 — Article 7(1)(b) — Absolute ground for refusal — Marks devoid of distinctive character — Three-dimensional marks consisting of the shape of the product — Criteria for the assessment of distinctive character — Obligation to state reasons — Form of a container — Amphora)