Dr. Martin J.Wortmann


Frankfurt + 49.69.9726.3939

Martin Wortmann practices administrative, regulatory, and constitutional law with a focus on regulated industries. He represents German and international companies in proceedings before government agencies and has litigation experience before administrative courts, up to and including the Federal Administrative Court, as well as before the Federal Constitutional Court, the Court of Justice of the European Union, and the European Court of Human Rights.

Martin has recently coordinated an extensive regulatory review of telecommunications and data protection law covering more than 40 countries worldwide. He also has worked on similar projects for providers of internet-based services, particularly advising on telecommunications and data protection, and has been involved in various cross-border compliance mandates.

Martin also handles German and European environmental law and state aid law. In this context, he not only advises clients on a wide range of regulatory requirements, but also supports them, inter alia, in the realization of infrastructure projects in the context of the energy transition. Furthermore, he advises companies on current developments in climate change law and other ESG (environmental, social, and governance) risks.

Prior to joining Jones Day in 2016, Martin worked as a trainee lawyer at the German Federal Constitutional Court, the European Court of Justice, and the German Development Cooperation Agency's office in Tbilisi, Georgia. He also served as a research fellow at the Max Planck Institute for Comparative Public Law and International Law in Heidelberg. In addition, he was a consultant on issues of constitutional transitions and a guest lecturer at the Universidad de Antioquia in Medellín, Colombia.


  • Sanofi announces carve-out creating EUROAPI and spin-off of approximately 58% of shares to its shareholdersJones Day advised Sanofi in the carve out creating EUROAPI (a leading European company dedicated to the development, production and marketing of active pharmaceutical ingredients) and the listing of this entity on Euronext Paris and the placement of 12% to the French State (through French Tech Souveraineté) for a price of up to €150 million.
  • Google defends Gmail against European telecommunication regulationJones Day represented Google LLC against the German telecommunications regulatory agency in administrative court proceedings concerning the obligation to notify Gmail as an Electronic Communication Service (ECS).
  • Amadeus FiRe AG acquires COMCAVE Holding GmbH, Dortmund for €200 millionJones Day advised Amadeus FiRe AG, Frankfurt, on the €200 million acquisition of 100% of the shares in the retraining specialist COMCAVE Holding GmbH, Dortmund.
  • Pandox acquires seven hotel properties in Germany from HR Group for €290 millionJones Day advised Pandox AB, a leading hotel investor in Northern Europe, on the acquisition of seven German hotel properties with a total of 1,532 rooms from HR Group for €290 million.
  • Lufthansa receives favorable ECJ ruling to challenge airport feesJones Day represents Deutsche Lufthansa AG in litigation against the State of Berlin and the operator of the Berlin-Tegel airport.
  • Technology services company conducts international telecommunications law reviewJones Day conducted a comprehensive assessment of a technology services company's new communication product offered to multinational business owners, with respect to communications and encryption regulations from over 80 countries worldwide.
  • Koch-Glitsch acquired Julius Montz from Pfaudler GroupJones Day advised Koch-Glitsch, a subsidiary of Koch Engineered Solutions (KES) and its parent company Koch Industries, Inc., in the acquisition of chemical and pharmaceutical process equipment and technology supplier Julius Montz GmbH (Montz) from the Pfaudler Group, a portfolio company of Deutsche Beteiligungs AG (DBAG).
  • Fosun acquires FFT GroupJones Day advised Fosun International Limited with the acquisition of FFT GmbH & Co. KGaA ("FFT") from ATON GmbH.
  • Lincoln Electric acquires Air Liquide Welding for €115 million (US$134 million)Jones Day advised Lincoln Electric Holdings, Inc. in the €115 million (US$134 million) acquisition of the Air Liquide Welding subsidiary of Air Liquide, a key player in the manufacturing of welding and cutting technologies.
  • Nordson acquires InterSelect GmbHJones Day advised Nordson Corporation in its acquisition of InterSelect GmbH, a German designer and manufacturer of selective soldering systems used in a variety of automotive, aerospace, and industrial electronics assembly applications.
  • Randstad acquires Monster for $429 millionJones Day advised Randstad Holding nv (AMS: RAND), a leading human resources services provider, in the acquisition of Monster Worldwide, Inc. (NYSE: MWW).