Case C-736/18 P: Judgment of the Court (Tenth Chamber) of 23 April 2020 — Gugler France v Alexander Gugler, European Union Intellectual Property Office (EUIPO) (Appeal — EU trade mark — Figurative mark containing the word element GUGLER — Application for a declaration of invalidity brought by Gugler France SA — Economic link between the party seeking a declaration of invalidity and the proprietor of the contested mark — No likelihood of confusion)