Case T-35/22: Judgment of the General Court of 26 April 2023 — Kaminski v EUIPO — Polfarmex (SYRENA) (EU trade mark — Revocation proceedings — EU word mark SYRENA — Application of the law ratione temporis — Partial inadmissibility of the action — Res judicata — Article 15(1) and Article 51(1)(a) and (2) of Regulation (EC) No 207/2009 (now Article 18(1) and Article 58(1)(a) and (2) of Regulation (EU) 2017/1001) — Genuine use in the European Union — Obligation to state reasons — First sentence of Article 94(1) of Regulation 2017/1001)