Case T-546/19: Judgment of the General Court of 2 April 2020 — Isigny-Sainte Mère v EUIPO (Shape of a golden container with a type of wave) (EU trade mark — Application for a three-dimensional EU trade mark — Shape of a golden container with a type of wave — Absolute ground for refusal — Article 7(1)(b) of Regulation (EU) 2017/1001 — Lack of distinctive character)