Judgment of the General Court (Tenth Chamber) of 23 September 2020.#Tetra GmbH v European Union Intellectual Property Office.#EU trade mark – Invalidity proceedings – EU word mark Wave – Absolute ground for refusal – No distinctive character – Article 7(1)(b) of Regulation (EC) No 207/2009 (now Article 7(1)(b) of Regulation (EU) 2017/1001).#Case T-869/19.