Judgment of the General Court (Second Chamber) of 13 November 2024.#Sven Butzkies-Schiemann v European Union Intellectual Property Office.#EU trade mark – Invalidity proceedings – EU word mark CorrosionX – Absolute ground for invalidity – Bad faith – Article 52(1)(b) of Regulation (EC) No 207/2009 (now Article 59(1)(b) of Regulation (EU) 2017/1001) – Admissibility of the response filed before the Board of Appeal – Article 24(1) of Delegated Regulation (EU) 2018/625.#Case T-1127/23.