Case T-382/19: Judgment of the General Court of 27 January 2021 — Turk Hava Yollari v EUIPO — Sky (skylife) (EU trade mark — Invalidity proceedings — International registration designating the European Union — Word mark skylife — Earlier EU word mark SKY — Relative ground for refusal — Likelihood of confusion — Article 8(1)(b) of Regulation (EC) No 40/94 (now Article 8(1)(b) Regulation (EU) 2017/1001))