http://dx.doi.org/10.59704/400ef82167e89a18 https://verfassungsblog.de/trojan-discrimination-cjeu/ The Trojan Horse of Free Movement Law - Unfolding Non-Discrimination on Grounds of Sexual Orientation in “Trojan” Lamprinoudis, Konstantinos eng 2025-12-01 electronic resource text/html ddc:342 Antidiskriminierungsrichtlinie | Europäische Union CJEU Court of Justice Court of Justice of the European Union Discrimination of Sexual Orientation Diskriminierung European Charter of Fundamental Rights LGBT Rights LGBTQ+ rights anti-discrimination freedom of movement Antidiskriminierungsrichtlinie | Europäische Union Diskriminierung Verfassungsblog Verfassungsblog--2366-7044 CC BY-SA 4.0 On 25 November 2025, the EU Court of Justice confirmed in “Trojan” that Member States are obliged to recognise the marriage between two same-sex EU citizens lawfully concluded in another Member State in the exercise of their freedom of movement, even if their national legislation does not allow such marriage. While this outcome was largely foreseeable, the CJEU’s reliance on Article 21(1) of the EU Charter of Fundamental Rights on the prohibition of discrimination on grounds of sexual orientation is striking, introducing a new, potentially transformative approach to equality in EU law.