Case T-474/08: Judgment of the General Court of 21 October 2010 — Umbach v Commission (Access to documents — Regulation (EC) No 1049/2001 — Documents relating to a contract concluded under the TACIS programme — Request for access concerning a dispute between the applicant and the Commission before a Belgian civil court — Partial refusal of access — Request for access based on the principles deriving from the EU Treaty — Overriding public interest)