Jonas Bornemann
@jonasbornemann.bsky.social
Assistant Professor of European Law at Rijksuniversiteit Groningen
@groningeneulaw.bsky.social | re:constitution fellow 2024/2025
European Constitutional and Migration Law
@groningeneulaw.bsky.social | re:constitution fellow 2024/2025
European Constitutional and Migration Law
Pinned
Legal Legacies of Co‐ordinative Europeanisation – EU Crisis Governance Between Political Expedience and Normative Credence
This article examines the phenomenon of ‘co-ordinative Europeanisation’, a mode of governance characterised by close collaboration between European Union (EU) institutions and national executives. It...
onlinelibrary.wiley.com
📘 New article now out with @jcms-eu.bsky.social!
“Legal Legacies of Co-ordinative Europeanisation – EU Crisis Governance Between Political Expedience and Normative Credence”
Read early view here: onlinelibrary.wiley.com/doi/10.1111/...
@groningeneulaw.bsky.social @rechten050.bsky.social
“Legal Legacies of Co-ordinative Europeanisation – EU Crisis Governance Between Political Expedience and Normative Credence”
Read early view here: onlinelibrary.wiley.com/doi/10.1111/...
@groningeneulaw.bsky.social @rechten050.bsky.social
Some positive elements included, such as a the principle of voluntary return. So-called 'return hubs' still in, raising significant legal problems.
Brussels liberals push for a softer EU returns plan
Brussels liberals push for a softer EU returns plan
Dutch liberal Azmani’s report tries to square fast-track returns with fundamental rights, softening the Commission’s hard-edge approach
dlvr.it
November 11, 2025 at 9:51 AM
Some positive elements included, such as a the principle of voluntary return. So-called 'return hubs' still in, raising significant legal problems.
Reposted by Jonas Bornemann
Commission adopts stricter visa rules for Russian nationals
Commission adopts stricter visa rules for Russian nationals - EU Law Live
The European Commission has adopted stricter visa rules for Russian nationals, citing increased security risks linked to Russia’s ongoing war of aggression against Ukraine and recent incidents of sabotage, …
eulawlive.com
November 7, 2025 at 1:13 PM
Commission adopts stricter visa rules for Russian nationals
The @ec.europa.eu just adopted rules banning new multiple-entry visas for Russian nationals. From now on, only single-entry visas will be issued, with rare exceptions. The move aims to tighten security and pressure Moscow over its war in Ukraine but may be legally and politically problematic:
home-affairs.ec.europa.eu
November 7, 2025 at 12:45 PM
The @ec.europa.eu just adopted rules banning new multiple-entry visas for Russian nationals. From now on, only single-entry visas will be issued, with rare exceptions. The move aims to tighten security and pressure Moscow over its war in Ukraine but may be legally and politically problematic:
Reposted by Jonas Bornemann
🇪🇺⚖️🇵🇱 On 2 December, CJEU will hear the case of European judicial associations challenging the Commission's assessment that Poland met the rule of law milestones for unlocking the RRF (recovery fund). Ahead of the hearing, the Court has asked the Polish government an extremely difficult question:
October 24, 2025 at 8:03 AM
🇪🇺⚖️🇵🇱 On 2 December, CJEU will hear the case of European judicial associations challenging the Commission's assessment that Poland met the rule of law milestones for unlocking the RRF (recovery fund). Ahead of the hearing, the Court has asked the Polish government an extremely difficult question:
Reposted by Jonas Bornemann
Wir @swp-intsecurity.bsky.social @swp-berlin.org suchen zwei neue Kolleg:innen zur Rückkehr des militärischen Wettbewerbs in Europa und zur Zukunft maritimer Sicherheit.
Unbedingt bewerben!
@liviuhorovitz.bsky.social @julianasuess.bsky.social @alexandrapaulus.bsky.social
Unbedingt bewerben!
@liviuhorovitz.bsky.social @julianasuess.bsky.social @alexandrapaulus.bsky.social
📢 Zum 01.01.2026 suchen wir zwei Wissenschaftler:innen für das vom BMVg geförderte Forschungsprojekt
„Rückkehr des militärischen Wettbewerbs – Deutschlands Sicherheit zwischen russischer Bedrohung und transatlantischer Ungewissheit“
🕒Vollzeit | befristet bis 31.12.2027
💼E 14 TVöD
📅Frist: 01.11.2025
„Rückkehr des militärischen Wettbewerbs – Deutschlands Sicherheit zwischen russischer Bedrohung und transatlantischer Ungewissheit“
🕒Vollzeit | befristet bis 31.12.2027
💼E 14 TVöD
📅Frist: 01.11.2025
Wissenschaftler:innen (d/m/w)
Wir suchen zum 1. Januar 2026 zweiWissenschaftler:innen (d/m/w)für das vom BMVg geförderte Forschungsprojekt »Die Rückkehr des militärischen...
www.swp-berlin.org
October 15, 2025 at 9:31 AM
Wir @swp-intsecurity.bsky.social @swp-berlin.org suchen zwei neue Kolleg:innen zur Rückkehr des militärischen Wettbewerbs in Europa und zur Zukunft maritimer Sicherheit.
Unbedingt bewerben!
@liviuhorovitz.bsky.social @julianasuess.bsky.social @alexandrapaulus.bsky.social
Unbedingt bewerben!
@liviuhorovitz.bsky.social @julianasuess.bsky.social @alexandrapaulus.bsky.social
Such a joy to see this research with @detershenning.eupolicy.social.ap.brid.gy published in @epsrjournal.bsky.social!
🆕 Does authority transfer lead to greater legal contestation? 🧑⚖️
@detershenning.eupolicy.social.ap.brid.gy & @jonasbornemann.bsky.social look at #AuthorityTransfer and #EuropeanIntegration since the 1990s and find rising opposition to lawmaking, implementing and enforcing.
📖
@detershenning.eupolicy.social.ap.brid.gy & @jonasbornemann.bsky.social look at #AuthorityTransfer and #EuropeanIntegration since the 1990s and find rising opposition to lawmaking, implementing and enforcing.
📖
Authority transfer and governmental legal contestation before the court of justice of the EU | European Political Science Review | Cambridge Core
Authority transfer and governmental legal contestation before the court of justice of the EU
www.cambridge.org
October 1, 2025 at 1:50 PM
Such a joy to see this research with @detershenning.eupolicy.social.ap.brid.gy published in @epsrjournal.bsky.social!
Such an honour to have contributed to this volume compiled by the Young Network TransEurope! @bbaw.bsky.social #YNT
A volume collected by Roland Römhildt and the YOUNG NETWORK TRANSEUROPE for the Berlin-Brandenburgische Akademie der Wissenschaften
www.bbaw.de/files-bbaw/p...
@bbaw.bsky.social @sceeus-ui.bsky.social @uisweden.bsky.social @aveeuropa.bsky.social @europarl.europa.eu @ec.europa.eu
www.bbaw.de/files-bbaw/p...
@bbaw.bsky.social @sceeus-ui.bsky.social @uisweden.bsky.social @aveeuropa.bsky.social @europarl.europa.eu @ec.europa.eu
September 10, 2025 at 8:00 PM
Such an honour to have contributed to this volume compiled by the Young Network TransEurope! @bbaw.bsky.social #YNT
Reposted by Jonas Bornemann
As a policy #trainee, you’re not just observing—you’re part of the process.
Wondering what it's like to work for us? Watch this video 👇
Interested in joining us? The application period is now open
👉Find out more: europa.eu/!jVJdHm
Wondering what it's like to work for us? Watch this video 👇
Interested in joining us? The application period is now open
👉Find out more: europa.eu/!jVJdHm
September 8, 2025 at 9:55 AM
As a policy #trainee, you’re not just observing—you’re part of the process.
Wondering what it's like to work for us? Watch this video 👇
Interested in joining us? The application period is now open
👉Find out more: europa.eu/!jVJdHm
Wondering what it's like to work for us? Watch this video 👇
Interested in joining us? The application period is now open
👉Find out more: europa.eu/!jVJdHm
Reposted by Jonas Bornemann
Citation: Henning Deters, Jonas Bornemann (2025): Authority transfer and governmental legal contestation before the court of justice of the EU, European Political Science Review (first view), DOI https://doi.org/10.1017/S1755773925100118
Thanks are due to (among others) @brekke who helped with […]
Thanks are due to (among others) @brekke who helped with […]
Original post on eupolicy.social
eupolicy.social
August 28, 2025 at 9:38 AM
Citation: Henning Deters, Jonas Bornemann (2025): Authority transfer and governmental legal contestation before the court of justice of the EU, European Political Science Review (first view), DOI https://doi.org/10.1017/S1755773925100118
Thanks are due to (among others) @brekke who helped with […]
Thanks are due to (among others) @brekke who helped with […]
Reposted by Jonas Bornemann
Since the turn of the century, the Commission has famously litigated ever fewer infringement cases. When the Commission was still increasing the number of cases, MS did not respond with more opposition right away. Later on, they continued to oppose the […]
[Original post on eupolicy.social]
[Original post on eupolicy.social]
August 28, 2025 at 9:37 AM
Since the turn of the century, the Commission has famously litigated ever fewer infringement cases. When the Commission was still increasing the number of cases, MS did not respond with more opposition right away. Later on, they continued to oppose the […]
[Original post on eupolicy.social]
[Original post on eupolicy.social]
Reposted by Jonas Bornemann
MS also increasingly litigated against EU-level implementation decisions until the early 2000s, when the Commission relaxed its control over agricultural policy and subsidies. These policy areas are responsible for 3/4 of all annulment cases against the EU […]
[Original post on eupolicy.social]
[Original post on eupolicy.social]
August 28, 2025 at 9:35 AM
MS also increasingly litigated against EU-level implementation decisions until the early 2000s, when the Commission relaxed its control over agricultural policy and subsidies. These policy areas are responsible for 3/4 of all annulment cases against the EU […]
[Original post on eupolicy.social]
[Original post on eupolicy.social]
Reposted by Jonas Bornemann
EU legislation is subject to increasing legal mobilization in response to the pooling and delegation of law-making powers to the EU. Recently, mobilization has plateaued, but this may change as the new MS grow more confident. The corresponding annulment […]
[Original post on eupolicy.social]
[Original post on eupolicy.social]
August 28, 2025 at 9:35 AM
EU legislation is subject to increasing legal mobilization in response to the pooling and delegation of law-making powers to the EU. Recently, mobilization has plateaued, but this may change as the new MS grow more confident. The corresponding annulment […]
[Original post on eupolicy.social]
[Original post on eupolicy.social]
Reposted by Jonas Bornemann
The take-home message: Overall, mobilization against EU legislation, implementation, and enforcement is growing, but the salience and polarisation of the respective Court proceedings depends on how much authority the EU wielded in these domains in different […]
[Original post on eupolicy.social]
[Original post on eupolicy.social]
August 28, 2025 at 9:29 AM
The take-home message: Overall, mobilization against EU legislation, implementation, and enforcement is growing, but the salience and polarisation of the respective Court proceedings depends on how much authority the EU wielded in these domains in different […]
[Original post on eupolicy.social]
[Original post on eupolicy.social]
Publication alert! I am over the moon to see this co-authored article /w @detershenning.eupolicy.social.ap.brid.gy out:
'Authority transfer and governmental legal contestation before the Court of Justice of the EU' in @epsrjournal.bsky.social.
'Authority transfer and governmental legal contestation before the Court of Justice of the EU' in @epsrjournal.bsky.social.
www.cambridge.org
September 8, 2025 at 7:18 AM
Publication alert! I am over the moon to see this co-authored article /w @detershenning.eupolicy.social.ap.brid.gy out:
'Authority transfer and governmental legal contestation before the Court of Justice of the EU' in @epsrjournal.bsky.social.
'Authority transfer and governmental legal contestation before the Court of Justice of the EU' in @epsrjournal.bsky.social.
Reposted by Jonas Bornemann
In "Authority transfer and governmental legal contestation before the court of justice of the EU", @jonasbornemann.bsky.social and I ask a simple question. Does the transfer of authority to EU institutions shape Member States' (MS) legal contestation before the Court of Justice of the EU? We […]
Original post on eupolicy.social
eupolicy.social
August 28, 2025 at 9:26 AM
In "Authority transfer and governmental legal contestation before the court of justice of the EU", @jonasbornemann.bsky.social and I ask a simple question. Does the transfer of authority to EU institutions shape Member States' (MS) legal contestation before the Court of Justice of the EU? We […]
Reposted by Jonas Bornemann
Russia launched more than 800 drones and missiles at Ukrainian targets overnight, with at least one strike damaging the government’s main building in Kyiv.
Ukraine’s main government building hit as Russia ramps up attacks
Moscow fired more than 800 drones and 13 missiles at Kyiv, Odesa, Kremenchuk, Kryvyi Rih and Zaporizhzhia, Ukrainian officials said.
www.politico.eu
September 7, 2025 at 8:55 AM
Russia launched more than 800 drones and missiles at Ukrainian targets overnight, with at least one strike damaging the government’s main building in Kyiv.
Reposted by Jonas Bornemann
⚡️Update: At least 10 killed, 48 injured in Russian mass attack on Kyiv.
The Russian attack also damaged a building of the EU mission to Ukraine, Foreign Minister Andrii Sybiha said on X.
"This requires not only the EU’s, but worldwide condemnation," he added.
The Russian attack also damaged a building of the EU mission to Ukraine, Foreign Minister Andrii Sybiha said on X.
"This requires not only the EU’s, but worldwide condemnation," he added.
Russian missiles hit Kyiv in massive attack, at least 10 killed, 48 injured
The attack has killed at least 10 people in Kyiv, including a 14-year-old. Another 48 have been injured, with several children hospitalized. Homes, offices, and schools have been damaged across the ci...
kyivindependent.com
August 28, 2025 at 6:55 AM
⚡️Update: At least 10 killed, 48 injured in Russian mass attack on Kyiv.
The Russian attack also damaged a building of the EU mission to Ukraine, Foreign Minister Andrii Sybiha said on X.
"This requires not only the EU’s, but worldwide condemnation," he added.
The Russian attack also damaged a building of the EU mission to Ukraine, Foreign Minister Andrii Sybiha said on X.
"This requires not only the EU’s, but worldwide condemnation," he added.
Reposted by Jonas Bornemann
CJEU, asylum law
Questions in new case on validity of immigration detention under the Italy/Albania deal
(this is different from the issues about "safe country of origin" that the court just ruled on)
eur-lex.europa.eu/legal-conten...
Questions in new case on validity of immigration detention under the Italy/Albania deal
(this is different from the issues about "safe country of origin" that the court just ruled on)
eur-lex.europa.eu/legal-conten...
August 18, 2025 at 7:13 AM
CJEU, asylum law
Questions in new case on validity of immigration detention under the Italy/Albania deal
(this is different from the issues about "safe country of origin" that the court just ruled on)
eur-lex.europa.eu/legal-conten...
Questions in new case on validity of immigration detention under the Italy/Albania deal
(this is different from the issues about "safe country of origin" that the court just ruled on)
eur-lex.europa.eu/legal-conten...
Reposted by Jonas Bornemann
#ECJ: A Member State may not plead an unforeseeable influx of applicants for international protection in order to evade its obligation to cover #asylum seekers’ basic needs 👉 curia.europa.eu/jcms/jcms/Jo...
Communiqués de presse - Cour de justice de l'Union européenne
Court of Justice of the European Union
curia.europa.eu
August 1, 2025 at 10:02 AM
#ECJ: A Member State may not plead an unforeseeable influx of applicants for international protection in order to evade its obligation to cover #asylum seekers’ basic needs 👉 curia.europa.eu/jcms/jcms/Jo...
📘 New article now out with @jcms-eu.bsky.social!
“Legal Legacies of Co-ordinative Europeanisation – EU Crisis Governance Between Political Expedience and Normative Credence”
Read early view here: onlinelibrary.wiley.com/doi/10.1111/...
@groningeneulaw.bsky.social @rechten050.bsky.social
“Legal Legacies of Co-ordinative Europeanisation – EU Crisis Governance Between Political Expedience and Normative Credence”
Read early view here: onlinelibrary.wiley.com/doi/10.1111/...
@groningeneulaw.bsky.social @rechten050.bsky.social
Legal Legacies of Co‐ordinative Europeanisation – EU Crisis Governance Between Political Expedience and Normative Credence
This article examines the phenomenon of ‘co-ordinative Europeanisation’, a mode of governance characterised by close collaboration between European Union (EU) institutions and national executives. It...
onlinelibrary.wiley.com
July 14, 2025 at 11:41 AM
📘 New article now out with @jcms-eu.bsky.social!
“Legal Legacies of Co-ordinative Europeanisation – EU Crisis Governance Between Political Expedience and Normative Credence”
Read early view here: onlinelibrary.wiley.com/doi/10.1111/...
@groningeneulaw.bsky.social @rechten050.bsky.social
“Legal Legacies of Co-ordinative Europeanisation – EU Crisis Governance Between Political Expedience and Normative Credence”
Read early view here: onlinelibrary.wiley.com/doi/10.1111/...
@groningeneulaw.bsky.social @rechten050.bsky.social
Reposted by Jonas Bornemann
The #EU Commission has proposed letting member states drop the ‘connection requirement’ from the ‘safe third country’ concept in #asylum cases.
@gaiaromeo.bsky.social and I argue this seemingly technical tweak marks a major shift — toward an ‘(un)safe fourth country’
@ecprtheloop.bsky.social 👇️
@gaiaromeo.bsky.social and I argue this seemingly technical tweak marks a major shift — toward an ‘(un)safe fourth country’
@ecprtheloop.bsky.social 👇️
The EU’s quiet shift toward an ‘(un)safe fourth country’ asylum policy
The European Commission has proposed letting member states drop the ‘connection requirement’ from the ‘safe third country’ concept in asylum cases. Gaia Romeo and Frowin Rausis argue this seemingly te...
theloop.ecpr.eu
July 11, 2025 at 7:33 AM
The #EU Commission has proposed letting member states drop the ‘connection requirement’ from the ‘safe third country’ concept in #asylum cases.
@gaiaromeo.bsky.social and I argue this seemingly technical tweak marks a major shift — toward an ‘(un)safe fourth country’
@ecprtheloop.bsky.social 👇️
@gaiaromeo.bsky.social and I argue this seemingly technical tweak marks a major shift — toward an ‘(un)safe fourth country’
@ecprtheloop.bsky.social 👇️
Reposted by Jonas Bornemann
Poland is the latest to institute temporary border checks. What does that mean for the European Union's freedom of movement?
Poland's border checks: Beginning of the end of Schengen? – DW – 07/07/2025
Border controls are creeping back across Europe, known as a free-travel zone. But are they solving anything?
www.dw.com
July 7, 2025 at 8:59 PM
Poland is the latest to institute temporary border checks. What does that mean for the European Union's freedom of movement?
Reposted by Jonas Bornemann
Die Bundesregierung spielt mit dem Feuer und zerstört eine der wichtigsten Errungenschaften der EU!
Heute setzt Polen Grenzkontrollen zu Deutschland in Kraft. Ein gefährlicher Dominoeffekt, ausgelöst durch Merz‘ verschärfte Kontrollen an den EU-Binnengrenzen. Mein Interview 👇
Heute setzt Polen Grenzkontrollen zu Deutschland in Kraft. Ein gefährlicher Dominoeffekt, ausgelöst durch Merz‘ verschärfte Kontrollen an den EU-Binnengrenzen. Mein Interview 👇
July 7, 2025 at 7:04 AM
Die Bundesregierung spielt mit dem Feuer und zerstört eine der wichtigsten Errungenschaften der EU!
Heute setzt Polen Grenzkontrollen zu Deutschland in Kraft. Ein gefährlicher Dominoeffekt, ausgelöst durch Merz‘ verschärfte Kontrollen an den EU-Binnengrenzen. Mein Interview 👇
Heute setzt Polen Grenzkontrollen zu Deutschland in Kraft. Ein gefährlicher Dominoeffekt, ausgelöst durch Merz‘ verschärfte Kontrollen an den EU-Binnengrenzen. Mein Interview 👇
Student feedback. I would have never thought anyone could feel this positively about #powerpoint but hey, nice to hear! @groningeneulaw.bsky.social
July 3, 2025 at 11:16 AM
Student feedback. I would have never thought anyone could feel this positively about #powerpoint but hey, nice to hear! @groningeneulaw.bsky.social
I getting real #flamingovibes here.
The annual department uitje is a wonderful tradition; a one-day trip to explore the countryside around Groningen. This year’s destination: Schiermonnikoog! A day at the beach, but as you can see… academic discussions never stop! 🌊📚
July 3, 2025 at 10:28 AM
I getting real #flamingovibes here.