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Dr Holger A. Kastler


Holger Kastler advises clients on IT law matters, including cybersecurity, and licensing of open source software. He also advises on strategic and contractual aspects of technical IP and property rights, such as patents, technical know-how and trade secrets. His expertise is drafting and negotiating complex technology agreements. He is valued for his holistic approach encompassing strategic, and commercial aspects in addition to the legal advice on technology projects.

Holger's clients are established technology companies facing challenges digitalizing their businesses as well as younger companies in the IT and Space Tech / New Space industry launching new digital products or developing new ways of commercializing their IP assets. 

He leads the Space group in Germany, which is part of the international Space Exploration and Innovation (SEI) group, in which Holger also plays a key role.

As a Legal Tech Fellow, Holger Kastler is jointly responsible for DLA Piper's Legal Tech strategy in Germany.


  • Advising various clients on hardware and software development agreements, IT outsourcing, cloud services, and XaaS agreements (SaaS/PaaS/IaaS/etc.).
  • Advising an internet and mobile telecommunication service provider on the introduction of a Single Sign-On service.
  • Advising an international manufacturer of Virtual Reality (VR) products on their product launch in the EU.
  • Advising a start-up regarding works created by Artificial Intelligence (AI) and the implications for the protection and licensing of IP.
  • Advising various clients on research & development agreements.
  • Advising an international chip manufacturer on technology licensing.
  • English
  • German
  • University of Konstanz, Dr. jur., 2016.

    Higher Regional Court of Berlin, Second State Examination, 2012
  • University of Konstanz, First State Examination, 2008
  • Bilgi University Istanbul

Pro Bono

  • Pro bono work for various human rights organizations.


Prior Experience

  • Since July 2024, Counsel, DLA Piper, Munich
  • 2022 – 2024, Senior Associate, DLA Piper, Munich 
  • 2018 – 2022, Managing Associate at a commercial law firm, Berlin
  • 2015 – 2018, (Senior) Associate at a leading international law firm, Berlin
  • 2014 – 2015, Associate at a leading international law firm, Duesseldorf

Additional Information

  • Data Protection Officer (TUEV Nord)

Memberships and Affiliations

  • German Society for Aeronautics and Astronautics
  • Robotics & AI Law Society (RAILS) e.V.
  • Licensing Executives Society (LES)
  • German Association for Intellectual Property and Copyright Law (GRUR)
  • German Association of Law and Informatics (DGRI)
  • International Association for the Protection of Intellectual Property (AIPPI)
  • German-American Lawyer's Association (DAJV)