Open research questions in European Criminal Justice and Data Protection
43 unresolved questions extracted from the limitations and future-work sections of 2,559 European Criminal Justice and Data Protection papers in our library. Each links back to the study that raised it.
What the literature leaves open
It is concluded that the existing system of international legal proportionality standards, despite its conceptual completeness, is insufficiently implemented at the national level, and that judicial control over «soft» forms of coercion, such as kettling and crowd-dispersal means, remains vulnerable to excessive judicial deference to law enforcement discretion.
The State’s Use of Force in Situations of Mass Protests: current issues of proportionality · 2026 · DOIIt remains to be seen whether the Italian Constitutional Court will decide on the matter and whether it will be possible to apply the legal institution of the ‘adoption in particular cases’,49 as was previously permitted. 50 VI A WORRYING PRECEDENT Overall, Italy’s Law No 169 has wide-ranging implications that remain to be fully explored.
Although the iudicia subalterna were „short-lived“ because the entire judicial system known as Novus ordo or Justitia Josephina collapsed in 1790, shortly after the death of Joseph II, the more in-depth examination of the josefinist first-instance courts is still considered a research field that has not been fully explored yet.
“Two-faced Courts” – Some Key Features of New Subordinate Courts (iudicia subalterna) in Hungary and Transylvania (1787 – 1790) · 2024 · DOIIn this context, post-1989 research on communist and early post-communist Romania focused primarily on memory studies, as witness accounts abounded while archival sources were scarce, with emphasis on the recollections of those who suffered under communism.
Post-Communist Anti-Communism in RomaniaSecret Police Files, Transitional Justice and Production of Knowledge · 2024 · DOIFurthermore, it is also limited by the fact that solidarity cannot be expected by the one who is responsible for creating the danger, so in this respect the solution from the CC of Serbia is in accordance with the principle of limited solidarity.
Nevertheless, it still remains an open question whether solidarity means that others voluntarily accept to sacrifice their goods (of lesser value) in order to save one's good (voluntariness could be based not only on altruism, but also on the expectation that the same will be done for apply to them if they find themselves in a situation of danger), or is it a legally imposed solidarity.
This analysis piece responds to these developments by drawing out and reflecting upon the conceptual framework for human trafficking and Article 4 ECHR, identifying what we now know, and equally what remains unknown, about this important right.
Due to the fact that the present shape of this regulation is the result of a long process of numerous legislative activities as well as various non-legislative forms of international cooperation, the article is not limited to the discussion of the current state of the criminal prosecution in the EU, but takes into account the historical emergence of various institutions, both before and after the establishment of the European Union.
Ściganie karne w Unii Europejskiej przed i po Traktacie z Lizbony – wybrane zagadnienia · 2018 · DOIThe analysis of conflicts of exercise of jurisdiction provided in this paper is not limited to a mere explanation of the concept as such, but includes an essential analysis of other related issues, such as the principle of mutual recognition, its influence on the recognition of criminal proceedings as parallel proceedings, and including other aspects related to the matching of the form of national criminal proceedings with the criminal proceedings taking place in another member state.
Nevertheless, it remains to be seen whether the increased emphasis of the Court on the integration criterion in the Article 8 expulsion cases influences the Court’s approach to key integration issues such as family reunification and in turn whether this filters down to legislators and policymakers at the national level.
The argument, though not pressed before the court, is attractive but it remains to be seen whether the court will interpret article 10 as referring only to specific rules of customary international law as opposed to supposed grundnorms. 88 Moreover, it is insufficient that a particular Minister exercise powers of review over the operation of the tax if one of the requirements mentioned above is not satisfied.
These mixed results suggest that relying on a single universal standard to distinguish between violations may ne insufficient, highlighting the need for more tailored approached to monitoring state compliance.
Ontkenning en gevangenisbeleid: Belgische en Engelse interacties met het Europees Comité voor de Preventie van Foltering en het Europees Hof voor de Rechten van de Mens · 2026Whether the ECtHR will take a similarly critical stance toward the Italy-Albania agreement remains to be seen, particularly as Albania is itself a party to the European Convention on Human Rights.
A Turning Point for EU Asylum Governance: Jurisdiction and Rights After Alace and Canpelli Case · 2026 · DOIHowever, it remains to be seen how long it will take the BiH authorities to harmonize the legislation with the EU agenda.
The Rights of Suspects and Accused in Criminal Proceedings in Bosnia and Herzegovina: To What Extent Are They in Compliance With European Union Agenda on Procedural Safeguards? · 2026 · DOIThe aim of the text is to demonstrate that the prolonged use of pre-trial detention represents a systemic problem in Poland, which, despite numerous judgments by the European Court of Human Rights (ECtHR) in cases against Poland, has not been addressed in any meaningful way.
CHRONIC USE OF PRE-TRIAL DETENTION AS A SYSTEMIC PROBLEM IN POLAND – COMMENTS DE LEGE LATA AND DE LEGE FERENDA IN LIGHT OF ECTHR JURISPRUDENCE · 2025 · DOIFindings suggest that, while the standard of perceived impartiality is recognized in Ser-bian legal texts, its consistent application is lacking, especially when judicial conduct is evaluated in the context of media exposure and online activity.
The perception of impartiality in the judiciary: When appearance becomes a legal standard · 2025 · DOIFollowing the conclusion that the existing principles are insufficient, it is suggested that the harm principle and the principle of protection of legal goods would be more appropriate to evaluate the material legitimacy of European criminal law.
Navigating Troubled Waters: Evaluating the Function and Material Legitimacy of European Criminal Law · 2024 · DOIThe analysis has led to the conclusion that, despite the open questions that remain, the linkage between the two provisions can be used for corrective purposes, particularly in light of the recent lowering of standards by the ECtHR in relation to the prohibition of collective expulsion.
The relationship between the prohibition of refoulement and the prohibition of collective expulsion in the context of access to territory: Standards of the European Court of Human Rights and their relevance for the legal system of the Republic of Serbia · 2023 · DOI) Supreme Court indicates that it strategically alters its language to obtain better compliance, but little is known about whether international courts do the same.
Crafting the language of borders: The European Court of Justice's strategic opinion writing in rights cases · 2023 · DOIDespite the position, formulated for years in the documents of the Council of Europe, that restorative justice and mediation should be a public service at every stage of criminal proceedings, it has not been established at the stage of executive proceedings.
The right of access to restorative justice and mediation at the stage of criminal enforcement proceedings. Comments de lege lata and de lege ferenda · 2022 · DOIDespite the increasing focus on prison inspection and monitoring bodies in international law and policy, little is known about their operations in practice.
Rights protection in prisons: Understanding recommendations-making by prison inspection and monitoring bodies in the European Union · 2021 · DOISince very little is known about the Danzig Higher Administrative Court and its files are believed to have been lost in the war, it was necessary to draw from very scattered and often poorly accessible sources in order to provide the following general overview.
The legal literature in the Czech Republic is devoted to this topic on a large scale, however Hungarian legislation has not yet been analysed fo purposes of comparation.
Criminal Responsibility and the System of Sanctioning Juvenile Offenders in the Czech Republic and Hungary · 2018 · DOIAbstract The issues of State and diplomatic immunity in cases involving persons employed by foreign States in embassies or consulates or engaged directly by diplomats remain controversial.
Inaction is lawful if the EU institution has wide discretion to choose whether to act and such discretion is not limited to acting conditions.
Most-cited papers in European Criminal Justice and Data Protection
- Two Concepts of the Margin of Appreciation · Oxford Journal of Legal Studies · 2006 · 93 citations
- Changes in the Legitimacy of the European Court of Justice: A Post-Maastricht Analysis · British Journal of Political Science · 1998 · 66 citations
- Where Have the Guardians Gone? Law Enforcement and the Politics of Supranational Forbearance in the European Union · World Politics · 2023 · 50 citations
- Institutional logics and the EU’s limited sanctioning capacity under Article 7 TEU · International Political Science Review · 2020 · 43 citations
- Law and Speed: Asylum Appeals and the Techniques and Consequences of Legal Quickening · Journal of Law and Society · 2020 · 32 citations
- The Commission's Approach to Rule of Law Backsliding: Managing Instead of Enforcing Democratic Values? · JCMS Journal of Common Market Studies · 2022 · 27 citations
- Turning assertive? EU rule of law enforcement in the aftermath of the war in Ukraine · West European Politics · 2023 · 25 citations
- Law, politics, and efficacy at the European Court of Human Rights · American Ethnologist · 2020 · 23 citations
- Judicial Europeanisation: The Case of<i>Zambrano</i>in Ireland · West European Politics · 2014 · 20 citations
- When does the European Commission Pursue Noncompliance? · European Union Politics · 2022 · 19 citations
Most recent work
- Frivillig isolation i danske fængsler · Nordisk Tidsskrift for Kriminalvidenskab · 2026
- The politics of the Court of Justice of the European Union: A review · European Union Politics · 2026
- La prescription de l’action publique comme outil de politique criminelle. Étude de droit comparé franco-allemand · Revue de science criminelle et de droit pénal comparé · 2026
- Protezione complementare, remigrazione e paradigma "Integrazione o ReImmigrazione": la funzione sistemica della giurisprudenza del Tribunale di Bologna (sentenza 24 aprile 2026, R.G. 591/2025) · Zenodo (CERN European Organization for Nuclear Research) · 2026
- The Principle of Non-Extradition of Political Offenders: Contemporary Dilemmas and Institutional Improvement · Exploring Science Academic Conference Series · 2026
- Joined cases C-29/22 P and C-44/22 P KS and KD V council and others: From expansive judicial review to the political question doctrine in the law of the CFSP? · Hungarian Journal of Legal Studies · 2026
- The “Ne Bis in Idem” Principle in Serbian Criminal Law: Application, Challenges, and Supranational Influences · University of Bologna Law Review · 2026
- EncroChat, Sky ECC and Regulation (EU) 2023/1543: Towards a New Standard of Digital Evidence (II) · Journal of Criminology and Criminal Law · 2026
- Testimony of Co-Offenders in the Light of the Right to a Fair Trial: Comparative Legal Aspects and Standards of the European Court of Human Rights · Прикарпатський юридичний вісник · 2026
- ЄВРОПЕЙСЬКА ПРОКУРАТУРА (EPPO): НАДНАЦІОНАЛЬНЕ КРИМІНАЛЬНЕ ПЕРЕСЛІДУВАННЯ VS. НАЦІОНАЛЬНИЙ СУВЕРЕНІТЕТ · Наукові інновації та передові технології · 2026
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