Opinion of Advocate General Biondi delivered on 6 February 2025.

CeramTec GmbH v Coorstek Bioceramics LLC.#Request for a preliminary ruling from the Cour de cassation.#Reference for a preliminary ruling – EU trade mark – Regulation (EC) No 207/2009 – Absolute grounds for invalidity – Article 52(1)(a) and (b) – Article 7(1)(e)(ii) – Sign consisting exclusively of the shape of goods which is necessary to obtain a technical result – Bad faith of the applicant – Autonomy and coexistence of the absolute grounds for invalidity – Criteria relevant to determining whether an applicant is acting in bad faith when filing an application for a trade mark – Matters arising after that application is filed.#Case C-17/24.