ECLI:EU:T:2012:48•Judgment of the General Court (Seventh Chamber) of 2 February 2012.#Denki Kagaku Kogyo Kabushiki Kaisha and Denka Chemicals GmbH v European Commission.#Competition — Agreements, decisions and concerted practices — Market for chloroprene rubber — Decision finding an infringement of Article 81 EC and Article 53 of the EEA Agreement — Price-fixing — Market-sharing — Proof of participation in the cartel − Proof of distancing from the cartel − Duration of the infringement — Rights of the defence — Access to the file − Guidelines on the method of setting fines − Non-retroactivity — Legitimate expectations — Principle of proportionality — Mitigating circumstances.#Case T‑83/08.