Case T-326/13: Judgment of the General Court of 12 July 2016 — Commission v Thales développement et coopération (Arbitration clause — Fourth and fifth framework programme for research, technological development and demonstration activities — Contracts concerning projects on the design and development of direct methanol fuel cells — Nullity of contracts on grounds of fraud — Repayment of financial contributions from the European Union — Regulation (EU, Euratom) No 2988/95 — Limitation period — Application of French and Belgian law — Rights of defence — Interest)