The Supreme Administrative Court (NSA) ordered officials to register the marriage of two Polish men who wed in Berlin in 2018, public broadcaster TVP Info reported.
The couple had previously been denied recognition in Poland, where same-sex marriage is not permitted under domestic law.
The ruling follows a 2025 decision by the Court of Justice of the European Union, which said member states are obliged to recognise same-sex marriages concluded in other EU countries, even if national law does not allow such unions.
The Polish court overturned earlier decisions by a Warsaw administrative court and civil registry officials, and ordered that the marriage be entered into the national register within 30 days.
In its reasoning, the court said Poland’s constitution—which defines marriage as a union between a man and a woman—does not prevent the recognition of same-sex marriages performed abroad.
"The provision cannot be interpreted as an absolute obstacle to recognising a same-sex marriage concluded in another EU member state," Judge Leszek Kiermaszek said.
He added that interpreting the constitution otherwise could conflict with principles prohibiting discrimination, including on the basis of sexual orientation.
The ruling is seen as a breakthrough in Poland, where LGBTQ rights have been a contentious political issue and same-sex couples do not have the right to marry or enter into civil unions.
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Source: TVP Info, IAR, PAP