Case T-194/21: Judgment of the General Court of 21 December 2021 — Fidia farmaceutici v EUIPO — Stelis Biopharma (HYALOSTEL ONE) (EU trade mark — Opposition proceedings — International figurative registration designating the European Union — Figurative mark HYALOSTEL ONE — Earlier EU word mark HYALISTIL and earlier figurative mark HyalOne — Earlier international word mark HYALO — Relative ground for refusal — Article 8(1)(b) of Regulation (EU) 2017/1001 — Obligation to state reasons)