Picture of Hanne Baeyens

Hanne Baeyens


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

Hanne joined CMS' Public Law department in May 2012. She specializes in European Law, mainly competition law (mergers and antitrust regulation, state aid, etc.) and the fundamental EU freedoms (services, establishment and capital).

She is particularly active in the following sectors: transport, public investments and public service missions (financing of activities and infrastructure).

She has also gained the necessary experience in the medical sector: free movement of medical devices and medicines, parallel import, abuse of dominant position,…

Hanne Baeyens is currently developing its expertise in aviation matters and the airport sector. She participates in the representation of Belgium with regard to the investigation by the Commission on the financing of Ryanair and Charleroi Airport. She also participates in the preparation and presentation of notifications to the European Commission for regional authorities and Flemish, French, Dutch and Spanish airports.

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“CMS advises airports and airlines on a range of state aid and competition law issues. Recent work includes advising Montpellier Airport on the European Commission’s investigation into alleged aid granted to Ryanair. Swissport is another key client, for which the team has been handling litigation concerning the granting of licences to provide ground handling services, along with a stream of corporate and commercial issues. The ‘proactive and creative’ Annabelle Lepièce leads the team, which includes experienced associate Hanne Baeyens.”

Legal 500 EMEA 2018


  • 2010 - University of Gent, UG, (Law degree)
  • 2011 - University of Brussels, ULB (LLM in European Law)
  • 2012 - Bar admission (Brussels, Belgium)
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  • "Bevestiging door Gerecht van de EU dat de Duitse EEG wet van 2012 betreffende duurzame energie staatssteun uitmaakt", Annuaire Pratiques du marché 2016, Wolters Kluwer (2018), p. 880. 
  • “Verordening (EU) nr 2017/352 van 15 februari 2017”, RDIR, 2017/1, p. 108. 
  • Co-author of the article “Introduction of high-risk medical devices: national measures that can be taken under the current European legislation to put the patient interest central", Expert Review of Medical Devices, 4 February 2017.
  • Co-author of the book "101 juridische vragen over concurrentie", Intersentia, 2016.
  • "Les obligations de service public dans le secteur du transport aérien en droit européen", with Annabelle Lepièce, RDIR, 2015/04, pp. 419 - 428
  • "Wetten van 13 februari 2015", RDIR, 2015/02, p. 257
  • Co-author of the ‘KCE-rapport 249’ “Towards a guided and phased introduction of high-risk medical devices in Belgium”, 7th July 2015, https://kce.fgov.be/publication/report/towards-a-guided-and-phased- introduction-of-high-risk-medical-devices-in-belgium
  • "Koninklijk Besluit van 25 april 2014 tot goedkeuring van het derde beheerscontract tussen de Staat en Belgocontrol", RDIR-TRNI 2014/3, 2014, p. 377
  • "EU competition law: price fixing in the e-book market", with Annabelle Lepièce, Journal of E- commerce Law & Policy, January 2013
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Show only
Oc­to­ber 2018 News­let­ter
European Com­mis­sion charges Slov­ak rail com­pany with dawn raid ob­struc­tion
On 25 Septem­ber 2018, the European Com­mis­sion sent a State­ment of Ob­jec­tions to ZSSK, a Slov­ak rail com­pany, al­leging that it had ob­struc­ted a dawn raid by giv­ing in­cor­rect in­form­a­tion and de­let­ing data from a laptop.
Oc­to­ber 2017 News­let­ter
European Com­mis­sion im­poses fine of €254 mil­lion on ca­pa­cit­or car­tel
On 21 March 2018, the European Com­mis­sion fined eight Ja­pan­ese ca­pa­cit­or sup­pli­ers €254 mil­lion for their par­ti­cip­a­tion in a car­tel between 1998 and 2012. The com­pan­ies – Elna, Hita­chi Chem­ic­al, Holy Stone, Mat­suo, NEC Tokin, Nichicon, Nip­pon Chemi-Con and.
Septem­ber 2017 News­let­ter
Con­ces­sions for 14 re­gion­al air­ports in Greece do not in­volve State...
In 2014, the Greek au­thor­it­ies awar­ded, in an in­ter­na­tion­al tender pro­cess, two al­most identic­al con­ces­sion agree­ments for the mod­ern­isa­tion of 14 re­gion­al air­ports to Fra­port Greece (73. 4% owned by the Frank­furt based air­port op­er­at­or Fra­port AG and 26.
European & Com­pet­i­tion Law
20 Nov 18
Col­lu­sion and Pub­lic Pro­cure­ment We­bin­ar
Gen­er­al Court of the EU con­firms the Lun­d­beck de­cision of the European...
On 8 Septem­ber 2016, the Gen­er­al Court of the EU ad­op­ted for the first time a judg­ment in a pay-for-delay case in the phar­ma­ceut­ic­al in­dustry. The Court thereby con­firmed the de­cision of the European Com­mis­sion of 19 June 2013 whereby it im­posed a total fine.