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Bernt Elsner is a partner and head of the Public Procurement practice group, as well as co-head of the Austrian practice groups for Antitrust, Competition & Trade and Public Law/Regulatory. He is a leading expert in the fields of public procurement, antitrust law, and public law/regulatory. He has comprehensive industry expertise in the sectors construction and infrastructure, healthcare, finance as well as energy and climate change.

Bernt Elsner advises national and international companies on participating in procurement procedures, especially public-private partnerships (PPP projects), and represents clients in procurement review proceedings. He supports public contracting authorities in structuring and conducting complex tender processes. He also has extensive experience in procurement-related compliance issues. He is the author of seven specialist books on procurement law, numerous book contributions and articles, co-editor of the leading journal “Zeitschrift für Vergaberecht und Bauvertragsrecht” (Journal for Procurement and Construction Contract Law), and a seasoned speaker.

Bernt Elsner advises and represents clients in horizontal competition law matters, compliance particularly in the area of bid-rigging cartels, in national and European merger control proceedings, especially in cases of cross-border mergers, as well as in vertical distribution structures, abuse control, and state aid law.

As a former research associate at the Austrian Constitutional Court, he has specific experience and expertise in public law matters. He represents clients before authorities, federal and state administrative courts, the Constitutional Court, the Administrative Court, and European authorities and courts.

Bernt Elsner studied law at the University of Vienna and business administration at the Vienna University of Economics and Business. In 1993/94, he worked as a research associate at the Austrian Constitutional Court for constitutional judges Prof. Dr. Karl Spielbüchler and Prof. Dr. Karl Korinek. In 1997, he practiced European competition law at Cleary Gottlieb Steen & Hamilton in Brussels. He has more than 25 years of professional experience as a lawyer in Vienna and Brussels. From 2004 to 2010, he was Managing Partner at CMS Austria and from 2004 to 2019 a member of the CMS Executive Committee. Since 2024 he has been a member of the CMS Council.

Awards & Recognitions
01
  • Quote
    ‘Bernt Elsner shows great commitment, an extraordinary knowledge of public procurement law, and provides excellent support.’
    Legal 500, 2025
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    "Bernt Elsner is an exceptionally competent and very pleasant partner to work with. His brightness and fantastic way of handling issues and his way of negotiating in an extremely polite, intelligent and firm way is exceptional. When Bernt speaks everybody listens."
    The Legal 500 EMEA, 2024
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    "Bernt Elsner is very wise and pleasant to work with."
    Chambers Europe, 2024
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    "Bernt Elsner is a highly qualified and professional lawyer in public procurement law, always committed to the client’s well-being and the case."
    The Legal 500 EMEA, 2024
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    "Bernt Elsner is an experienced senior lawyer with remarkable advocacy skills."
    Chambers Europe, 2023
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    ‘Thomas Hamerl and Bernt Elsner are outstanding both in legal competence but also in their behaviour towards clients, other advisors and even counterparts. This is true competence!’
    The Legal 500 EMEA, 2024
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    "Bernt Elsner is highly qualified and knowledgeable in all public procurement matters. But further to that, he has an excellent understanding of legal procedures.”
    The Legal 500, 2021
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    "Bernt Elsner is the mastermind behind the well-coordinated team. He has very fast response times, gives excellent and clear explanations of possible choices and always supports us in making the right choices."
    The Legal 500, 2023
  • Quote
    "He is very bright and understands abstract facts immediately. He saved the company much money by thinking critical and has deep knowledge of Austrian and EU law. Dr. Elsner is very reliable and easy to reach. If engaged , he does the work himself."
    The Legal 500, 2022

Publications

Bernt Elsner is the author of six specialist books on public procurement law and numerous book contributions and essays, as well as being co-editor of the Zeitschrift für Vergaberecht und Bauvertragsrecht (Journal for Public Procurement Law and Construction Contract Law), the leading Austrian journal on public procurement law.

“Public procurement law is exciting because it places in tension EU law and national law, public and private law, federal and state law, as well as law, technical planning and operational costing. The complexity of large procurement procedures requires a respectful exchange between different professional disciplines, which requires many years of industry experience.”

  • Elsner/Keisler/Lichtenberger/Wimmer-NistelbergerInformations- und Geheimhaltungspflichten (WEKA, 2025) 
  • Elsner/Zandler/HoraceckChapter 2: Austria, in Dolmans/Mostyn/Todd (ed.), The Dominance and Monopolies Review11 (2023) 12.
  • Elsner/Zandler/Scharf, The Private Competition Enforcement Review: Austria, in Knable Gotts/Schwartz (eds.), The Private Competition Enforcement Review13 (2022).
  • Elsner/Zandler/Horaceck, Chapter 3: Austria, in Dolmans/Mostyn (eds), The Dominance and Monopolies Review8 (2020) 30.
  • Elsner/Zandler/Wimmer-NistelbergeChapter 4: Austria, in Knable Gotts/Schwartz (Hrsg), The Private Competition Enforcement Review13 (2020) 35.
  • Publisher of the CMS Public Procurement Guide (updated 2019).
  • Vergaberecht, in Bergthaler/Grabenwarter (eds.), Musterhandbuch Öffentliches Recht2 (2014).
  • Federal Procurement Act3 (Manz, 2010)
  • Co-editor of the Journal of Procurement Law and Construction Contract Law (since 2001).
  • The new ÖNORM A 2050 (Linde, 2000).

Memberships & Roles

Bernt Elsner is head of the Austrian practice groups for public procurement law, EU competition law and public law.

  • Austrian Bar Association
  • Antitrust Law Study Association
  • Austrian Society for Building Law and Construction (ÖGEBAU)

Awards & Rankings

  • Band 1 in Chambers Europe Ranking 2022: “Excellent practitioner Bernt Elsner is well placed to handle complex procurement and tender procedures while also regularly handling review proceedings. He is also sought after for his cross-border capabilities.”
  • Legal 500 lists him as a “leading individual” in Band 1 (2020, 2021) and describes him as a “very professional and knowledgeable lawyer”, with “excellent understanding in procedural and legal matters” (2021).
  • Chambers & Partners invariably list Bernt Elsner in Band 1, calling him a “brilliant procurement lawyer” (2014) who “remains calm in the face of the storm and focused on the really important issues” (2020).
  • IFLR has awarded him “market leader” in the field of energy and infrastructure (2018, 2019), Best Lawyers “Lawyer of the Year for European Law” (2019).

Lectures list

Bernt Elsner is an active lecturer on public procurement law topics, at the University of Vienna, at numerous public procurement law conferences and seminars. He was the technical director of the MANZ Annual Conference on Public Procurement Law 2019.

  • Annual guest lecturer at the University of Vienna on public procurement law.
  • Expert leader of the annual CMS Public Procurement Forum.
  • Technical Director of the MANZ Annual Conference on Public Procurement Law (2019).
  • Regular speaker at Business Circle's annual conference “Vergabeforum”.
  • Regular speaker at ARS and IMH seminars on public procurement law, competition law and compliance issues.

Education

  • 1996 - Admitted to the Austrian Bar
  • 1993 - Mag. rer. soc. oec., Business Administration, Vienna University of Economics and Business Administration
  • 1991 - Dr. iur., Law, University of Vienna
  • 1989 - Mag. iur., Law, University of Vienna

Further reading

  • 10 key aspects of the revised EU competition law in the field of distribution (VBER/VGL)

  • Vergabeportal

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