Joined Cases T-218/22 and 219/22: Judgment of the General Court of 7 June 2023 — Roxtec and Wallmax v EUIPO — Wallmax and Roxtec (Representation of a blue square containing eight concentric black circles) (EU trade mark — Invalidity proceedings — EU figurative trade mark representing a blue square containing eight concentric black circles — absolute ground of invalidity — Sign consisting exclusively of the shape of goods which is necessary to obtain a technical result — Article 7(1)(e)(ii) of Regulation (EC) No 40/94 (now Article 7(1)(e)(ii) of Regulation (EU) 2017/1001))