04 February 2026
Two-Step Test Master of None
Within the recurring use of the two-step test in EU criminal judicial cooperation (and possibly soon in its civil counterpart), AG Richard de la Tour’s Opinion, delivered on 22 January 2026, suggests a new role for the test: ensuring that the execution of a EAW safeguards the proportionality principle under Article 49(3) CFR. While this development strengthens exceptions to mutual trust, it also exposes the test’s limits in addressing proportionality breaches, revealing an uneven protection of fundamental rights. Continue reading >>
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02 August 2022
Everything must remain the same for everything can change
The European Arrest Warrant mechanism has been one of the fiercest manifestations of the rule of law crisis in Poland. Four years have passed since the EU Court of Justice instructed executing courts to carry out a two-step test, to decide on the execution of EAWs issued by a Member State affected by systemic deficiencies to the independence of its judicial system. Four years later, the Polish government has only dug itself deeper into its authoritarian trench. With its recent rulings, the Court has significantly broadened the criteria and factors on which the executing courts can rely, when assessing the risk of a breach of Article 47(2) CFR in the issuing State. Continue reading >>
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25 February 2022
Avoiding the Elephant in the Room Once Again
In its long-awaited Grand Chamber judgment, the EU Court of Justice (CJEU) dealt with the question how the effective functioning of the instrument of the European arrest warrant (EAW), built upon the principle of mutual trust between the judicial authorities of all the Member States, can be safeguarded against the backdrop of the deficiencies in the Polish judicial system. The judgment specifies the conditions under which the national judicial authorities of Member States executing a European arrest warrant may refuse to surrender the requested persons, but still fails to reach its full potential. Continue reading >>
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02 November 2021
No Surrender to Poland
Last week, a district court in Norway took a bold step and refused surrender to Poland due to the “significant greater danger and probability” that a Polish court would not be a lawful judge. In the European battle over the independence of Polish courts, surrender of wanted persons according to the European Arrest Warrant has been a minor but important front. The Vestfold district court's ruling should be welcomed and also invites the Norwegian Supreme Court and the CJEU to change their jurisprudence on surrender to Poland. Continue reading >>19 April 2020
Domestic Courts Pushing for a Workable Test to Protect the Rule of Law in the EU
On 17 February 2020, the Oberlandesgericht Karlsruhe passed a decision in a surrender case that we expect to shape the future of the LM-test. Its decision can be seen not only as a result of Luxembourg’s unworkable LM test but also as an acknowledgement of the effect of Poland’s muzzle law on the independence of its judiciary. Shortly after, Rechtbank Amsterdam engaged with this decision, thus making it more likely that the CJEU will have to move forward and develop its test into a more meaningful one. Continue reading >>18 April 2020
Luxembourg’s Unworkable Test to Protect the Rule of Law in the EU
A key rule of law case illustrating the conversation taking place between national judges and the Court of Justice about the how-to of rule of law protection is the CJEU’s LM ruling dealing with the implementation of the European Arrest Warrant. In it the CJEU developed a test to balance mutual trust and individual rights, particularly the right to a fair trial. The Rechtbank Amsterdam and the Karlsruhe Oberlandesgericht applied Luxembourg’s LM test with respect to Polish suspects in a series of recent (interlocutory) rulings. This national case-law is interesting both for its immediate outcome (suspension of surrenders) and its implicit message to Luxembourg: “Sorry, we tried, but your test is unworkable.” Continue reading >>
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21 August 2019
In Rights We Trust
Cases concerning the execution of the European Arrest Warrant (EAW) provide seemingly endless material for new questions of fundamental importance to the relationship of the multiple constitutional layers in Europe. In a barely noted judgment in the case of Romeo Castaño v. Belgium, the European Court of Human Rights has now added an important piece to this puzzle. The judgment indicates that, in the light of other recent jurisprudence of both the Court of Justice of the EU and the ECtHR, both Courts are on their way to find a workable framework to address some of the issues in this field. Continue reading >>28 November 2018
Episode 5 of the Celmer Saga – The Irish High Court Holds Back
On 19 November 2018, Donnelly J gave her fifth judgment in the Celmer saga concluding that the real risk of a flagrant denial of justice has not been established by Mr Celmer and ordered that he be surrendered on foot of the European Arrest Warrants issued against him. Given that Donnelly J had initially found that there were ‘breaches of the common value of the rule of law’, this came as some surprise. Continue reading >>
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05 July 2018
The AG Opinion in the Celmer Case: Why the Test for the Appearance of Independence is Needed
In this post, I focus on what I believe is the most important question in the Celmer case: what kind of a test for the rule of law/fair trial, and with how many prongs? I argue that the rule of law/fair trial test that the Court should apply is the test for the appearance of independence, known from the practice of the ECtHR. I also argue that the Court should not leave the application of this test to the referring court but carry it out by itself. Continue reading >>
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06 June 2018