Attorney at law, specialist in data protection law, specialist in intellectual property law

Dr. Stefan Drewes has founded his own law firm, DPL Drewes Privacy Law Rechtsanwaltsgesellschaft mbH, which specializes in advising on data protection law. Dr. Drewes has more than 20 years of professional experience in advising companies on all aspects of data protection law and also acts as (group) data protection officer for various companies.

In addition to his work as a lawyer, Dr. Drewes founded DPA Drewes Privacy Advice GmbH more than 10 years ago to also support companies in the internal implementation of data protection regulations. For the certification of data processing in companies, he founded ADCERT GmbH several years ago – together with Holger Heimann. For more details on these companies, please visit


  • 2021 Managing Director and Founder of DPL Drewes Privacy Law Rechtsanwaltsgesellschaft mbH
  • 2014 Managing Director and Founder of
    ADCERT Privacy Audit GmbH
  • 2012 Specialist attorney for industrial property rights
  • 2010 Managing Director and Founder of
    DPA Drewes Privacy Advice GmbH
  • Since 2001 attorney in the field of data protection, most recently as partner of the law firm Pauly & Partner PartG mbB in Bonn as well as data protection officer for various companies
  • 1999 Admitted to the bar, initially working for the Association of Private Broadcasting and Telecommunications (VPRT, now VAUNET – Verband Privater Medien e. V.)
  • 2001 Doctorate at the University of Potsdam
  • Legal clerkship at the Higher Regional Court of Düsseldorf
  • Law studies at the Universities of Bonn, Geneva and Fribourg

Main activities

  • Legal advice on data protection for large corporate groups and international corporations, including several DAX40 companies on all data protection issues.
  • Focus on the area of (online) marketing and employee data protection
  • Sparring partner for (corporate) data protection officers


  • Mail order
  • Company in the field of online marketing / dialogue marketing
  • Real Estate
  • Automotive industry
  • Energy supplier
  • NGOs
  • State-licensed organizers of gambling
  • Service company
  • Trade fair organizer

Awards & Memberships

  • The study “Kanzleimonitor 2020/2021″ lists Dr. Drewes in third place among the lawyers most recommended by in-house lawyers for the area of data protection.
    (with comparable rankings in previous years).
  • Dr. Stefan Drewes is listed among the TOP 100 commercial lawyers in Germany (Kanzleimonitor 2020/2021)
  • Member of the Society for Data Protection and Data Security(GDD)
  • Member of the International Association of Privacy Professionals(IAPP). In addition, he was founder and several years co-chair of the IAPP KnowledgeNet Rhein-Ruhr.


Commentaries, manuals, monographs

  • Commentary on Art. 37-39 GDPR in Spiecker gen. Döhmann | Papakonstantinou | Hornung | Hert: General Data Protection Regulation (2021)
    (together with Dr. Sebastian Bretthauer)
  • Chapter on data protection in Heidel/Pauly Anwaltformulare (10th ed. 2021)
    (together with RA Sebastian Wilfling)
  • Commentary on Art. 37-39 GDPR in Simitis/Hornung/Spiecker: Datenschutzrecht (2019).
  • Compliance and Data Protection in Besgen: Handbook for Managers (2011)
  • Dialogue marketing after the 2009 amendment to the BDSG
  • Editing of various keywords in Bäumler / Breinlinger / Schrader: Datenschutz von A-Z (2003 supplement)
  • New types of use in copyright law, dissertation 2001

Contributions to journals

  • What of § 15 para. 3 TMG remains, CR 2020, 602 et seq.
  • Critical view of the DSK guidance on direct advertising, ZD 2019, 296 et seq.
  • Dialog marketing under the GDPR without the consent of the data subjects, CR 2016, 721 et seq.
  • Borderless Commissioned Data Processing, PinG Privacy in Germany 2014, 134 et seq. (together with Manfred Monreal)
  • Promotional Use of Data – The Implosion of the BDSG Amendment and Implications of ECJ Case Law, ZD 2012, 115 et seq.
  • Address trading – everything only with consent? RDV 2011, 18 ff.
  • Dialog Marketing after the New List Privilege, CR 2010, 759 et seq.
  • The implied consent in telemarketing and the end of the dogma of the written form under data protection law, RDV 2006, 139 (together with Michael Siegert, attorney).
  • The external data protection officer and the professional secrecy of pharmacists, RDV 2005, 14 ff.


Attorney at law, specialist in data protection law, specialist in intellectual property law

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