Stefan Haßdenteufel


IT Law, Data Protection Law, Intellectual Property Law, Open Source Compliance


Anna Bürgel


Stefan Haßdenteufel represents clients primarily in the field of IT law and acts for both small and mid-sized companies as well as global corporations. He is a specialist in copyright law and has both legal and technical expertise in the open source sector. Through the planning, implementation, execution and evaluation of compliance measures, he ensures that companies are structured in a legally compliant manner.

Stefan also practices data protection law and intellectual property law.


German, English


2020 Founding partner at Witzel Erb Backu & Partner

2016 Joined SSW law firm, partner 2020

2010 Admitted to the bar

Student assistant and academic assistant at the Centre for Law Information Systems of the LMU Munich

Legal studies and traineeship in Munich, Ingolstadt and London, including at Lovells LLP


Publications in multiple legal and technical journals


Deutsche Gesellschaft für Recht und Informatik e.V. (DGRI)

Soziale Medien