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ECtHR rules Poland's Constitutional Tribunal not a 'tribunal established by law' (Xero Flor, 2021)

On 7 May 2021 the European Court of Human Rights, in Xero Flor w Polsce sp. z o.o. v. Poland (application no. 4907/18), held that the participation of an unlawfully elected 'judge-doubler' in the Polish Constitutional Tribunal meant the body was not a 'tribunal established by law', violating Article 6(1) of the European Convention on Human Rights.

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On 7 May 2021 the European Court of Human Rights, in Xero Flor w Polsce sp. z o.o. v. Poland (application no. 4907/18), held that the participation of an unlawfully elected 'judge-doubler' in the Polish Constitutional Tribunal meant the body was not a 'tribunal established by law', violating Article 6(1) of the European Convention on Human Rights. It was the first international court ruling that the Tribunal's composition was unlawful.

Who was responsible

Contribution type and responsibility level for each recorded actor — not sole-author shorthand.

  • European Court of Human Rights

    Organization

    Direct responsibility

    responsibility level 0.5 · verified

    The ECtHR's landmark finding applied external accountability pressure by authoritatively documenting capture of the Constitutional Tribunal.

What changed

Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.

Causal path

How this event connects to drivers and indicators in the graph.

  1. ActorEuropean Court of Human Rights
  2. contributed toFactECtHR rules Poland's Constitutional Tribunal not a 'tribunal established by law' (Xero Flor, 2021)
  3. strengthensDrivers (2)Supranational rule-of-law accountability pressure
  4. strengthensIndicatorJudicial constraints on the executive (V-Dem, global country mean)

Cite this page

Factrail. (2026). ECtHR rules Poland's Constitutional Tribunal not a 'tribunal established by law' (Xero Flor, 2021). Factrail. https://factrail.ai/facts/justice-ecthr-xero-flor-poland-2021

https://factrail.ai/facts/justice-ecthr-xero-flor-poland-2021

Accessed 15 October 2026.

By the Factrail desk · Method: how we source and score · Last reviewed

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