Under the auspices of Marc Ruttloff, Gleiss Lutz covers a wide array of procurement challenges, with a particular focus on the healthcare, energy, defence and security, infrastructure and transport projects. A key contact for matters involving the IT and healthcare sectors is Marco König, who has a proven track record of advising contracting authorities and bidders. Christiane Freytag acts for parties to infrastructure and IT projects, while Thomas Fritsche utilises his expertise in both healthcare and environmental law to oversee a variety of procurement challenges.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Marco König is our primary contact for difficult legal and strategic questions regarding public procurement law.’
- ‘Gleiss Lutz combines superb legal expertise with pragmatic business acumen to support our business decisions effectively.’
- 'Great reliability, ability to work in a team or by specialisation, communication is at eye level.'
- ‘Christine Mattes is a highly organised lawyer with deep legal knowledge and a practical approach to complex legal issues. She is consistently available, adaptable to strict deadlines and a pleasure to work with. Her support is not only reliable but also solution-oriented, which makes collaboration both efficient and enjoyable.’
- 'I work mostly with Christine Mattes, who is highly organised with deep legal knowledge and a practical approach to complex legal issues. They are consistently available, adaptable to strict deadlines, and a pleasure to work with. Their support is not only reliable but also solution-oriented, which makes collaboration both efficient and enjoyable..'
- 'It is a great the team that collaborates on topics and can present results quickly.'
- ‘The team is highly professional, with specialists who possess deep knowledge of the issues and a practical approach. They are able to handle extremely complex matters in a way that is comprehensible to the client.’
- ‘Marco König is very experienced in his field and has a very pleasant and professional way of dealing with different mentalities on the client side, so that in the end everyone is satisfied and, above all, very well advised legally.’
- ‘Marco König's team has extensive expertise in the field of procurement in the healthcare sector.’
- ‘Oliver Jürgen Junge is highly skilled and well-versed in any court proceeding.’
Key clients
- AOK Mein Leben GbR/AOK-Bundesverband European Central Bank kubus IT GbR Bundesdruckerei Mercedes-Benz AG TotalEnergies Patria Oyi Deutsche Bahn AG gkv informatik Karl Storz SE & Co. KG Stadt Bad Säckingen RHI Magnesita Group
Work highlights
Advised AOK Mein Leben GbR, AOK-Bundesverband and the 11 AOKs in connection with a pan-European negotiation procedure regarding the transition of the complete front-end system for all software interfaces and applications provided by all AOKs to their insured persons and their employers.
Represented Patria Oyi in negotiations with the Bundeswehr procurement office in a project in the defence sector.
Provided public procurement law advice to Mercedes-Benz AG on self-cleaning and on declarations and information in public procurement procedures in connection with completed and ongoing competition fine proceedings.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Marc Ruttloff
Other key lawyers
Marco König; Christine Mattes; Christiane Freytag; Oliver Jürgen Junge; Thomas Fritsche; Rafael Müller

