Case T-191/16: Judgment of the General Court of 20 October 2021 — Lito Maieftiko Gynaikologiko kai Cheirourgiko Kentro v Commission (Financial assistance — Sixth framework programme for research, technological development and demonstration activities contributing to the creation of the European Research Area and to innovation (2002-2006) — Contract concerning Union financial assistance in favour of a project in the field of medical collaboration — Enforceable decision — Competence of the Commission — Grant agreements — Recovery of part of the financial contribution paid — Arbitration clause — Eligible costs — Legitimate expectations)