Jan Marco Aatz advises clients on all aspects of German and European merger control and competition law.

He represents and advises clients on all merger control and competition law aspects before the European Commission, the German Federal Cartel Office and before courts. He regularly advises clients on all antitrust and competition law aspects of cooperation (including research and development cooperation as well as sales and marketing cooperation), the set up and design of distribution systems and contracts, and the implementation of competition compliance programs. 

Marco regularly publishes articles on antitrust and competition law issues and has particular sector specific expertise in the life sciences and healthcare as well as the retail and consumer sector.

Marco studied law at the Ruhr-University Bochum. In his legal traineeship, he specialized in competition law with stages at the German Federal Cartel Office and the Deutsche Telekom in Bonn as well as an international law firm in Düsseldorf. He joined Osborne Clarke in 2018.


Osborne Clarke has advised German cloud provider gridscale on its acquisition by OVHcloud, read more.


Osborne Clarke advises EdTech start-up Sdui on Series A funding round, read more

Fairmas Benchmarking

Osborne Clarke advises CoStar on acquisition of Fairmas Benchmarking, read more

Bandai Namco Europe

Osborne Clarke advises Bandai Namco Europe on acquisition of majority stake in games developer Limbic Entertainment, read more

Borealis Hotel Group

Osborne Clarke advises Borealis Hotel Group on the acquisition (including acquisition financing) of Bierwirth & Kluth Unternehmensgruppe, read more

Waverley Capital

Osborne Clarke advises Waverley Capital in Series B funding round at Endel, read more


Osborne Clarke advises node.energy in Series A financing round, read more


Osborne Clarke advises DeepSkill on pre-seed financing round, read more


Osborne Clarke advises Indian IT group Infosys on acquisition of digital agency Oddity, read more

Galileo Global Education Germany

Osborne Clarke advises Galileo on acquisition of AKAD University, read more


Osborne Clarke advises battery specialist instagrid on EUR 29 million funding round

Keen Venture Partners

Osborne Clarke advises Keen Venture Partners on EUR 25 million investment in Lendis, read more


Osborne Clarke berät Gesellschafter von JUNIQE bei Verkauf der Anteile, lesen Sie hier mehr

Highland Europe

Osborne Clarke advises Highland Europe on investment in SoSafe, read more

coparion and VR Ventures

Osborne Clarke advises coparion and VR Ventures in Series A financing of Finanzguru, read more

FUNKE Mediengruppe

Osborne Clarke berät FUNKE Mediengruppe bei Übernahme von Mehrheit an Musterhaus.net, lesen Sie hier mehr

HTGF, eCapital & Demeter

Osborne Clarke advises HTGF, eCapital and Demeter on exit from envelio GmbH, read more


Osborne Clarke advises Taxdoo in Series B funding round with Tiger Global


Osborne Clarke advises Onit on acquisition of BusyLamp, read more


Osborne Clarke advises Appian on the acquisition of Lana Labs, read more

Contact Jan Marco