Case T-475/14: Judgment of the General Court of 12 July 2018 — Prysmian and Prysmian Cavi e Sistemi v Commission (Competition — Agreements, decisions and concerted practices — European market for power cables — Decision finding an infringement of Article 101 TFEU — Single and continuous infringement — Illegal nature of the inspection decision — Reasonable time — Principle of sound administration — Principle of personal responsibility — Joint and several liability for payment of the fine — Sufficient proof of the infringement — Duration of the infringement — Fines — Proportionality — Equal treatment — Unlimited jurisdiction)