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Portrait of Marie Vandenneucker

Marie Vandenneucker


CMS DeBacker
Chaussée de La Hulpe 178
1170 Brussels
Languages French, Dutch, English

Marie specializes in European and Belgian competition law (abuse of dominant position, cartels and merger control), as well as European State aid. During her studies, she developed a high interest in competition law in the digital age and she wrote her thesis on the impacts of pricing algorithms on collusion.

She has been a member of the Dutch-speaking association of the Brussels Bar since 2019.

Marie graduated with a Bachelor’s degree in law from UNamur (2016), a Master’s degree in law from KU Leuven (2018) and an LL.M. in law focusing on European competition law from the University of Edinburgh (2019).

She handles cases in French, Dutch and English.

She joined CMS in 2019.

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  •  M. VANDENNEUCKER & A. LEPIECE, « Arrêt Sumal : responsabilité civile d’une filiale en raison des pratiques anticoncurrentielles de sa société mère », JDE, 2022/02, n° 286, p. 60;
  • M. VANDENNEUCKER & A. LEPIECE, « Arrêt « Volvo » : compétence en matière d’action en réparation du dommage causé par une infraction à l’article 101 TFUE », JDE, 2021/12, n° 284, p. 468;
  • M. VANDENNEUCKER & A. LEPIECE, « Le cadre européen applicable aux aides d’Etat dans le contexte de la crise du COVID-19 », Revue de Droit commercial, 2020/12; 
  • M. VANDENNEUCKER & A. LEPIECE, « Arrêt Otis : l’action en réparation pour toute personne ayant subi un préjudice indirect à la suite d’un cartel », JDE, 2020/04, n° 268, p. 167;
  • M. VANDENNEUCKER & R. ALDERWEIRELDT, « Google: the record fine », Competition Law Insight, 19/11/2019.
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  • 2019 - Bar Admission (Brussels, Belgium)
  • 2019 - The University of Edinburgh, UoE - Scotland (LL.M. in Law focusing on European Competition Law)
  • 2018 - The University of Sheffield - United Kingdom (Erasmus)
  • 2018 - Katholieke Universiteit Leuven, KU Leuven - Belgium (Master of Laws)
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10 key as­pects of the re­vised EU com­pet­i­tion law in the field of dis­tri­bu­tion...
The new Ver­tic­al Block Ex­emp­tion Reg­u­la­tion (VBER) and the new ac­com­pa­ny­ing Ver­tic­al Guidelines (VGL) were pub­lished on 10 May 2022. The new VBER will enter in­to force on 1 June 2022 and ap­ply for the next twelve years. The new VBER/VGL in­tro­duce sev


The European Com­mis­sion has en­dorsed its new Cli­mate, En­ergy and En­vir­on­ment­al...
The European Com­mis­sion’s re­vised Guidelines on state aid for cli­mate, en­vir­on­ment­al pro­tec­tion and en­ergy (« CEEAG ») have been en­dorsed on 27 Janu­ary 2022. The CEEAG re­place the Guidelines on...
Ex­change of con­fid­en­tial in­form­a­tion between com­pet­it­ors – do’s and don’ts
Ex­changes of stra­tegic in­form­a­tion between com­pet­it­ors are in prin­ciple pro­hib­ited un­der com­pet­i­tion law and can lead to heavy fines. In some cases, the ex­change of such in­form­a­tion may im­prove eco­nom­ic...
What to ex­pect from the European Com­mis­sion’s re­vised Cli­mate, En­ergy and...
On 7 June 2021, the European Com­mis­sion has launched a pub­lic con­sulta­tion in­vit­ing in­ter­ested parties to com­ment on the draft Guidelines on state aid for cli­mate, en­vir­on­ment­al pro­tec­tion and en­ergy...
CMS Bel­gi­um as­sisted Prox­imus in es­tab­lish­ing a part­ner­ship with EQT In­fra­struc­ture...
CMS Bel­gi­um as­sisted Tele­com op­er­at­or Prox­imus in con­nec­tion with the es­tab­lish­ment of a part­ner­ship with EQT In­fra­struc­ture (through its port­fo­lio com­pany DELTA Fiber) for build­ing a fibre net­work to­geth­er...
COV­ID-19: the European Com­mis­sion gives green light to the Dan­ish and Swedish...
The European Com­mis­sion ap­proved, on 17 Au­gust 2020, the re­cap­it­al­isa­tion of SAS by Den­mark and Sweden for a total budget of EUR 1 bil­lion (of which ap­prox­im­ately EUR 583 mil­lion will be gran­ted by...
Third amend­ment of the Com­mis­sion’s Tem­por­ary frame­work to sup­port mi­cro,...
The Com­mis­sion ad­op­ted, on 29 June 2020, a third amend­ment of the State aid Tem­por­ary frame­work ad­op­ted on 19 March 2020 to fur­ther ex­tend the scope of the frame­work to sup­port mi­cro, small and start-up...
COV­ID-19: the European Com­mis­sion gives green light to Lufthansa's re­cap­it­al­isa­tion
The European Com­mis­sion ap­proved, on 25 June 2020, the re­cap­it­al­isa­tion by the Ger­man State of Deutsche Lufthansa AG (“DLH”), the par­ent com­pany of Lufthansa Group, with a budget of EUR 6 bil­lion...
COV­ID-19: European Com­mis­sion ap­proves Bel­gian guar­an­tee schemes
The European Com­mis­sion has ap­proved the first Bel­gian aid schemes no­ti­fied since the be­gin­ning of the COV­ID-19 crisis. On 9 April 2020, the Com­mis­sion au­thor­ised a pub­lic guar­an­tees scheme to sup­port...
The European Com­mis­sion’s sur­vey on air pas­sen­ger rights
The Euroba­ro­met­er sur­vey on pas­sen­ger rights in the European Uni­on car­ried out by the European Com­mis­sion has been pub­lished on 13 Janu­ary 2020 (ac­cess­ible via this link). The sur­vey cov­ers European cit­izens...
The Bel­gian Com­pet­i­tion Au­thor­ity ex­tends the sim­pli­fied pro­ced­ure on con­cen­tra­tions
The Bel­gian com­pet­i­tion au­thor­ity (BCA) has ex­ten­ded the ap­plic­a­tion of the sim­pli­fied pro­ced­ure on con­cen­tra­tions. In Oc­to­ber 2019, the BCA or­gan­ised a pub­lic con­sulta­tion on its in­ten­tion to ad­opt ad­di­tion­al...
European Com­mis­sion takes aim at Malév GH: in­vest­ig­a­tion in­to pub­lic aid...
On 29 Oc­to­ber 2019, the European Com­mis­sion (“Com­mis­sion”) opened an in-depth in­vest­ig­a­tion in­to vari­ous fin­an­cing meas­ures totalling EUR 21 mil­lion gran­ted by Hun­gari­an pub­lic en­tit­ies to Malév...
European Com­mis­sion gives green light for Ger­man res­cue aid to Condor
On 14 Oc­to­ber 2019, the European Com­mis­sion (“Com­mis­sion”) ap­proved the Ger­man res­cue aid to charter air­line Condor un­der the EU State Aid rules. Condor is go­ing through a dif­fi­cult fin­an­cial situ­ation...