Johannes Zwerschke

Attorney at law

Attorney at law

Cybersecurity & Data protection Team

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  • Data protection law
  • IT law/cybersecurity
  • Certified Data Protection Officer (IHK)
  • Certified Information Privacy Professional/Europe (CIPP/E)
  • ISO IEC 27001 Auditor (TÜV®)
  • General and special administrative law
  • Administrative procedure law


  • Studied law at the University of Potsdam
  • Worked as a student aid at the Faculty for Public Law, Particularly Constitutional, Administrative and Municipal Law, University Professor Dr. Thorsten Ingo Schmidt
  • Worked for a consulting firm as a data protection employee in the areas of IT security and data protection
  • Worked for a consulting firm as a consultant in the areas of data protection and information security
  • Associate at reuschlaw Legal Consultants

Current Projects (Selection)

  • Implementation of data erasure obligations in practice
  • Applicability of the data protection provisions of the Telemedia Act following the entry into effect of the GDPR
  • Handling of personal data in testing systems

Publications (Selection)

  • Scientific article (co-author Dr. Carlo Piltz) in 'GRUR-Prax', 02/2021, issue 1, starting on page 11.: "'Rechte an Daten': Neuere Entwicklungen und Haftungsfragen.", Verlag C.H.BECK oHG: München
  • Article (co-author Dr. Carlo Piltz) in 'Datenschutz-Berater', 06/2020, starting on p. 148: "Die rückwirkende Heilung rechtswidriger Datenverarbeitungen.", Deutscher Fachverlag GmbH: Frankfurt a.M.
  • Article in 'GRUR Prax', 02/2020, p. 16.: "OLG Brandenburg: Besitzschutzvorschriften nicht auf elektronische Daten anwendbar.", C.H. BECK

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