Case T-445/07: Judgment of the General Court of 27 June 2012 — Berning & Söhne v Commission (Competition — Agreements and concerted practices — Markets in zip fasteners and ‘other fasteners’ and attaching machines — Decision finding an infringement of Article 81 EC — Coordinated price increases, fixing of minimum prices, sharing of customers and of markets and exchange of other business information — Proof — Rights of the defence — Single and continuing infringement — Time-bar — Fines — Duration and gravity of the infringement — Mitigating circumstances — Equal treatment — Proportionality)