"This year, Helmut Liebel has consistently delivered exceptional results in handling our intellectual property matters in Austria. His deep understanding of IP law, paired with a strategic and innovative approach, has been invaluable to us. He is not only highly knowledgeable but also proactive and responsive, making complex legal issues straightforward."
Legal500, 2025
"Excellent IP/IT advice with a clear focus on what truly matters."
Legal500, 2025
"I've had the pleasure of collaborating with Helmut Liebel on several complex data protection matters this year, and his expertise has been nothing short of outstanding. His in-depth knowledge of EU data protection regulations and their practical application has proven critical in navigating challenging legal landscapes."
Legal500, 2025
"For data protection matters, Helmut Liebel is our number one contact, with exceptional knowledge of the IT industry. Having studied IT, Helmut brings a unique technical understanding to his legal work that is unmatched in Austria. His attention to detail is invaluable."
Legal500, 2024
"Helmut Liebl is an excellent and ambitious young IP attorney whom we can recommend to anyone."
Legal500, 2024
"He is our number one contact, with exceptional knowledge and experience in the IT industry. Having studied information technology, Helmut brings a unique technical understanding and background to his legal work that is unmatched on the Austrian market."
Legal500, 2024
"meticulous and innovative - he understands his clients’ business goals. His level of expertise and engagement is impressive, and his insightful and results-oriented approach is truly valuable.”
World Trademark Review, 2023
"energetic commitment to excellence, ability to manage complex matters with composure, and astuteness for intellectual property law in general."
Legal500, 2023
"Despite his wide-ranging expertise, he is always able to distill concepts to their most critical and present solutions that are easily implemented. He is our number one resource for data protection and is an indispensable business asset to every company."
Legal500, 2023
"Few attorneys are as well-versed in data protection law as Helmut Liebel. His knowledge of the application of this area of law is constantly increasing and keeping pace with new developments and requirements."
Legal500, 2023
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Practice Group

Helmut Liebel is a partner at E+H Rechtsanwälte and an expert at the intersection of technology and law. His practice focuses on IT and data protection law, intellectual property law, unfair competition law and consumer protection law. With a combination of technical and legal expertise – a degree in computer science from HTL Wiener Neustadt and a law degree from the University of Vienna and Santa Clara Law School in the heart of Silicon Valley – Helmut understands the challenges facing modern businesses not only from a legal perspective, but also from a technological one.

  • Liebel/Kröpfl, Die Lehre aus jö-Bonusclub & Co: Datenschutz ist Chefsache, In: derstandard.at, 05.08.2021
  • Liebel/Kerschbaumer-Gugu, Schadenersatzklagen wegen Datenschutzverletzungen als neue Herausforderung. In: JUVE (September/Oktober 2020), S. 68-69
  • Zellhofer/Liebel, Die Ruhe vor dem Sturm bei Datenschutzstrafen, In: derstandard.at, 16.09.2019
  • Liebel, Kindersicherung: Minderjährigenschutz nach der DSGVO, In: computerwelt.at, 12.04.2018
  • Liebel, Der Datenschutzbeauftragte, In: wienerzeitung.at, 28.02.2018
  • Liebel, Wie Kinder sicher surfen, In: wienerzeitung.at, 25.01.2018
  • Liebel, Wohin die Daten fließen: Datentransfer ins Ausland, In: wienerzeitung.at, 23.11.2017
  • Liebel, Die Rollenverteilung im neuen Datenschutzrecht, In: wienerzeitung.at, 26.10.2017
  • Liebel, Meine Daten, meine Betroffenenrechte, In: wienerzeitung.at, 28.09.2017
  • Liebel, Einwilligung und Koppelungsverbot im Datenschutz, In: wienerzeitung.at, 27.07.2017
  • Liebel, Heute schon eingewilligt?, In: wienerzeitung.at, 29.06.2017
  • Liebel, Der Vertrieb von gebrauchter Software aus urheberrechtlicher Perspektive, Dissertation, Universität Wien 2012
  • Zellhofer/Liebel, Cloud Computing und Datenschutz – Zeit für klare Sicht, ecolex 2012, 88
  • Zellhofer/Liebel, Vorsicht bei Werbung auf Facebook, Die Presse 18.04.2011
  • Blaha/Marko/Zellhofer/Liebel, Rechtsfragen des Cloud Computing, Vertragsrecht – Datenschutz – Risiken und Haftung, Medien und Recht 2011
  • Kusznier/Liebel, Direktwerbung in Sozialen Netzwerken, ecolex 2011, 831.
  • Handelsblatt Austria “Best Lawyers”, 2025: “Best Lawyer” –Telecommunications Law
  • JUVE, 2025: “Highly Recommended” – Trademark & Antitrust Law
  • Legal500, 2025: “Recommended Lawyer” – Intellectual Property
  • Legal500, 2025: “Recommended Lawyer” – Data Privacy & Data Protection
  • Legal500, 2024: Ranked Lawyer – Data Privacy & Data Protection
  • Legal500, 2024: Ranked Lawyer – TMT
  • Legal500, 2024: Ranked Lawyer – Intellectual Property
  • World Trademark Review, 2023: Ranked Lawyer – Intellectual Property
  • Legal500, 2023: Ranked Lawyer – TMT
  • Legal500, 2023: Ranked Lawyer – Intellectual Property
  • Legal500, 2023: Ranked Lawyer – Data Privacy & Data Protection
  • Legal500, 2022: Ranked Lawyer – TMT
  • Legal500, 2022: Ranked Lawyer – Intellectual Property
  • Legal500, 2022: Ranked Lawyer – Data Privacy & Data Protection
  • World Trademark Review, 2022: Ranked Lawyer – Intellectual Property
  • Legal500, 2021: Ranked Lawyer – TMT
  • Legal500, 2021: Ranked Lawyer – Intellectual Property
  • Legal500, 2021: Ranked Lawyer – Data Privacy & Data Protection
  • World Trademark Review, 2021: Ranked Lawyer – Intellectual Property
  • Legal500, 2020: Ranked Lawyer – Data Privacy & Data Protection
  • World Trademark Review, 2020: Ranked Lawyer – Intellectual Property