Case C-612/18 P: Judgment of the Court (Tenth Chamber) of 19 March 2020 — ClientEarth v European Commission (Appeal — Access to documents of the institutions — Regulation (EC) No 1049/2001 — Article 4(1)(a), third indent, and (6) — Exceptions to the right of access — Protection of the public interest as regards international relations — Documents drawn up by the European Commission’s legal service concerning Investor-State Dispute Settlement and the Investment Court System in EU trade agreements — Partial refusal of access)