Case T-369/21: Judgment of the General Court of 13 July 2022 — Unimax Stationery v EUIPO — Mitsubishi Pencil (uni) (EU trade mark — Invalidity proceedings — EU figurative mark uni — Absolute grounds for refusal — Distinctive character — Article 7(1)(b) of Regulation (EC) No 40/94 (now Article 7(1)(b) of Regulation (EU) 2017/1001) — Signs or indications which have become customary — Article 7(1)(d) of Regulation No 40/94 (now Article 7(1)(d) of Regulation 2017/1001))