Judgment of the General Court (First Chamber) of 18 January 2023.#Dorsum Informatikai Fejlesztő és Szolgáltató Zrt. v European Union Intellectual Property Office.#EU trade mark – Opposition proceedings – Application for EU word mark Clavis – Earlier EU word mark CLAVIS – Failure to identify the earlier trade mark in the notice of opposition – Conditions for admissibility of the opposition.#Case T-758/21.