Tilman Siebert

Tilman Siebert

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Tilman Siebert is a partner in the Frankfurt office and a member of the international King & Wood Mallesons Antitrust & Competition law practice.

Tilman Siebert has more than 20 years of experience in advising on German and European antitrust and competition laws. He is representing clients in merger control proceedings and investigations before the German Federal Cartel Office (Bundeskartellamt) and the European Commission. In addition, he is advising on competition litigation matters, in particular on cartel damages. 

He regularly advises on general competition law issues, including compliance issues, joint ventures, distribution and licensing agreements, as well as research and development cooperation agreements.

In addition, he specializes in advising in relation to German Foreign Investment Regulation and represents clients in proceedings before the German Ministry of Economics.

Tilman Siebert counts national and international companies from various industries to his clients, including private equity, online platforms, consumer goods and retail, pharmaceuticals and medical products, technology, automotive as well as aerospace and defense.


  • German Competition Law Association  
  • Munich Competition Law Forum  


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