Civil liability claims such as those at issue in the main proceedings, which are made in tort under national law, must nonetheless be considered as concerning 'matters relating to a contract' within the meaning of Article 5(1)(a) of Council Regulation (EC) No 44/2001 of 22 December 2000 on jurisdiction and the recognition and enforcement of judgments in civil and commercial matters, where the conduct complained of may be considered a breach of the terms of the contract, which may be established by taking into account the purpose of the contract.