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Portrait ofFrederik Leenen

Dr. Frederik Leenen, LL.M. (UConn)

Rechtsanwalt | Head of Legal Tech

CMS Hasche Sigle
Lennéstraße 7
10785 Berlin
Languages German, English

Frederik Leenen focuses on advising large companies, providing customised and highly efficient solutions for complex legal issues involving multiple parties, processes or documents while using contract automation, AI, specific project and process management as well as alternative sourcing. He also advises on IT law and European copyright law, particularly with respect to the right of communication to the public in technology matters, and is the responsible editor for the entire Information Society Directive in a major copyright law commentary.

Frederik joined CMS in Germany in 2010. In 2007, he received his LL.M. in IP law from the University of Connecticut School of Law, followed by a PhD (thesis: "Copyright Law and Computer-aided Recognition") in 2014. From June to October 2015, he practised in the CMS office in Brussels. He is co-head of the firm’s "Smart Solutions - Legal Tech und Know-How" unit, which combines legal tech, smart operations (alternative sourcing) and knowledge management. In this context, he is responsible for the technical, operational and marketing management of the legal tech sub-division. Frederik became a partner in 2022.

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Relevant experience

  • DAX 30 group | Development and ongoing optimisation of a complex tech and alternative sourcing solution for the efficient defence against over 1,000 claims together with a large litigation team working across multiple sites
  • Telefonica Deutschland | Advice on the effective use of machine learning-based detection technologies as well as their specific related training and use for efficient document reviewing in the context of the due diligence for the sale of approx. 10,000 radio masts to Telxius
  • MDAX group | Advice on the development of an archiving concept using a customised online platform and alternative sourcing together with a compliance/data protection law team working across multiple sites
  • DAX 30 group | Development of a comprehensive automation logic for the group’s central purchasing contract together with the CMS commercial team in Munich
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  • Kommentierung zur InfoSoc-Richtlinie 2001/29, in: Wandtke/Bullinger, UrhG, Verlag C.H. Beck, 6. Aufl. 2022
  • Der Dienstleistervertrag nach § 43e Abs. 3 BRAO samt Mustervorschlag – Outsourcing und Nutzung von Clouddiensten durch Rechtsanwälte (gemeinsam mit Marcel Klugmann und Konstantin Salz) – AnwBl 2018, 219 (Teaser) und AnwBl Online 2018, 283
  • Paradigmenwechsel bei Links und Framings - zur Rechtsprechung des EuGH in den Rechtssachen GS Media, Svensson und BestWater (gemeinsam mit Dr. Ole Jani) - NJW 2016, 3135
  • "Wenn das Handy mehr sieht als das Auge – In der 'Augmented Reality' ist nicht alles erlaubt, was technisch möglich ist", Frankfurter Allgemeine Zeitung vom 2.3.2016, Rubrik "Recht und Steuern"
  • Anmerkung zu Schlussanträgen: Generalanwalt zur Abwägung zwischen Bankgeheimnis und Auskunftsanspruch - Coty Germany GmbH/Stadtsparkasse Magdeburg, GRUR-Prax 2015, 260
  • Anmerkung zu EuGH: Reichweite der Privatkopievergütung für Speicherkarten von Mobiltelefonen - Copydan Båndkopi/Nokia Danmark (gemeinsam mit Dr. Ole Jani) - EuZW 2015, S. 351, 358
  • Anmerkung zu EuGH: Zulässige Verlinkung auf frei zugänglich veröffentlichte Artikel - Nils Svensson ua/Retriever Sverige (gemeinsam mit Dr. Ole Jani) - GRUR 2014, S. 360, 362
  • Urheberrecht und computergestützte Erkennung, 2014, Nomos, Schriften zum Medien- und Informationsrecht - https://www.nomos-shop.de/nomos/titel/urheberrecht-und-computergestuetzte-erkennung-id-76083/
  • Modernes Marketing im rechtlichen Schlaglicht, SPONSORs Ausgabe 6/2013
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Lectures list

  • "Big Law, the modern way: Lawyers + Tech + Support Staff" - Vortrag auf der Legal Disruption 2019 (ECLA - European Companys Lawyers Association), Dublin, 13.02.2019
  • "Die virtuelle Rechtsabteilung" - Vortrag auf dem Anwaltszukunftskongress 2018 (Wolters Kluwer & Soldan), Düsseldorf, 14.06.2018
  • "Schaffung von Infrastrukturen für Innovationen und Legal Tech" - Vortrag auf den Legal Transformation Days 2018, Mitreferent Eric Loewenthal, Berlin, 19.06.2018
  • "Legal Tech – ein Praxisüberblick" - Vortrag auf der gemeinsamen Veranstaltung des Bochumer Kreis Gewerblicher Rechtsschutz e.V. und des Instituts für Geistiges Eigentum, Datenschutz und Informationstechnologie an der Ruhr-Universität Bochum, Bochum, 21.11.2017
  • "Legal Tech – Wandel in der Rechtsberatung" - Vortrag und Panelist auf der Telemedicus Sommerkonferenz 2017, Berlin, 02.07.2017
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  • 2014: PhD under the supervision of Prof. Dr. Jens Petersen, University of Potsdam; thesis on "Copyright Law and Computer-aided Recognition"
  • 2009: Second state examination in law
  • 2006 - 2007: LL.M. in Intellectual Property at University of Connecticut School of Law
  • 2006: First state examination in law
  • Since 2001: Law studies at Freie Universität Berlin
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Generative AI in corporate change: opportunities and challenges for the...
Generative artificial intelligence (generative AI) has made impressive progress in recent years and is increasingly used across a range of fields. This technological breakthrough also opens up the potential for revolutionising legal work. From the start of the first AI wave through to today’s large language models with their comprehensive problem-solving capabilities, our new “Simply. Innovative” podcast with Dr Frederik Leenen and Larissa Böhme discusses the differences between generative AI and other forms. Further topics include how prompting techniques can be used to reduce hallucination, and the role that the shift in corporate culture plays in the deployment of these technologies.
KI für die Rechtsabteilung
Innovative, practical, accessible – welcome to KI für die Rechts­ab­teilung! In this series, we take you on an exciting journey into the future of legal advice. Alongside discussing theoretical concepts, specific examples of usage and practical case studies, we also look at how artificial intelligence can be deployed in legal departments. Learn here how AI can be successfully used to make processes more efficient and to handle legal tasks.  
CMS Germany strengthens legal tech by appointing new partner
Berlin – Dr Frederik Leenen has been appointed CEO of CMS subsidiary Smart Solutions GmbH und Co. KG with effect from 1 July 2022, a role which also sees him become a partner in the law firm. Smart...
Business Development and Sustainability categories: CMS picks up two awards...
Berlin – CMS Germany took two first places at the 13th PMN Management Awards. The international commercial law firm received awards in the Business Development and Sustainability categories. The Professional...
CMS and Kümmerlein advise Telefónica Deutschland on sale of rooftop radio...
Munich – Telefónica Deutschland has sold its passive infrastructure comprising around 10,000 rooftop sites and up to 80 tower sites to Telxius Telecom S.A. for a purchase price of EUR 1.5 billion...
CMS expands legal tech strategy by deploying Kira machine learning software
Berlin – Commercial law firm CMS has signed an agreement with Canadian company Kira Systems for the use of its Kira machine learning software. The software uses artificial intelligence to identify...
New European requirement for online-traders to link to the Commission's...
Last Saturday, 9 January 2016, the first obligation of EU Regulation No 524/2013 which addresses consumer online dispute resolution became effective. Under the Regulation, "traders established within...
Second session on “Coty Germany” of our CJEU-we­bin­ar-series took place
The second session of our international webinar-series on recent decisions by the European Court of Justice in the area of Intellectual Property, Technology, Media and Communications took place on July...
Presentation on „Art & Allposters“ (CJEU-Webinar on IP/TMC-de­cisions, Session...
The first session of our new international webinar-series on recent decisions by the European Court of Justice in the area of Intellectual Property, Technology, Media and Communications took place on...