Judgment of the Court (Tenth Chamber) of 8 June 2023.#LM v KP.#Request for a preliminary ruling from the Sąd Okręgowy w Warszawie.#Reference for a preliminary ruling – EU trade mark – Dispute before the national court – Jurisdiction of EU trade mark courts – Regulation (EU) 2017/1001 – Article 124 – Action for infringement – Article 128 – Counterclaim for a declaration of invalidity – Subject matter of that counterclaim – Article 129(3) – Rules of procedure governing the same type of action relating to a national trade mark – Principle of procedural autonomy.#Case C-654/21.