Case C-180/16 P: Judgment of the Court (Seventh Chamber) of 6 July 2017 — Toshiba Corporation v European Commission (Appeal — Competition — Agreements, decisions and concerted practices — Market in gas insulated switchgear projects — Decision taken by the European Commission following annulment in part of the initial decision by the General Court of the European Union — Amendment of fines — Rights of the defence — No adoption of a new statement of objections — Equal treatment — Joint venture — Calculation of the starting amount — Extent of contribution to the infringement — Res judicata)