Judgment of the Court (Tenth Chamber) of 10 March 2022.#Maxxus Group GmbH & Co. KG v Globus Holding GmbH & Co. KG.#Request for a preliminary ruling from the Landgericht Saarbrücken.#Reference for a preliminary ruling – Approximation of laws – Trade marks – Directive (EU) 2015/2436 – Article 19 – Genuine use of a trade mark – Burden of proof – Application to revoke for non-use – National procedural rule obliging the applicant to carry out market research concerning use of the mark.#Case C-183/21.