Oliver Sieg

Rechtsanwalt (Lawyer)
Head of Liability & Insurance
Practice Group: Capital Markets

Oliver Sieg focuses on litigation at first instance and appeal courts, particularly in complex and cross-border disputes. He is experienced in representing parties in arbitration proceedings, especially according to DIS or ICC rules and ad hoc. He has also been appointed as arbitrator. Dr. Oliver Sieg is specifically committed to the education and formation of young lawyers and law students.


  • Litigation 
  • Domestic and International Arbitration 
  • D&O, Professional- and Financial Institutions Indemnity
  • Corporate Disputes
  • Insurance and Reinsurance
  • Commercial Disputes (distribution, professional services, finance)


  • Legal studies at the Universities of Bonn, Cologne, Cambridge (UK), Speyer and Münster
  • Experience abroad: Weissberg Gaetjens Ziegenfeuter in Nice and Paris (France); Reynolds Porter Chamberlain in London (UK)
  • With Noerr since 2002
  • Admitted to the Düsseldorf Chamber of Lawyers


  • Recommended lawyer for Insurance & Reinsurance as well as Litigation, Who's Who Legal (2016)
  • Recommended sources describe: "leading name" both in "corporate law disputes" and in "D&O advice and litigation", JUVE Handbook 2013/2014
  • Comments in leading publications on Noerr: "driver of growth [in the firm] was once again Dr. Oliver Sieg’s and Michael Molitoris’ successfully led litigation practice focusing on D&O and product liability cases", JUVE 2013/14
  • Recommended as "Leading Individual" and Band 1-Lawyer for insurance, Chambers Europe 2013
  • Recommended lawyer for commercial litigation as well as for insurance and reinsurance, Who is Who Legal Germany 2014
  • Recommended as leading expert in the area of D&O, Legal 500 (2014)
  • Recommended as leading expert for arbitration and mediation, insurance and litigation, Best Lawyers Germany


  • DIS – German Institute for arbitration
  • VGR-Gesellschaftsrechtliche Vereinigung (Association for corporate law)
  • Member of the Advisory Committee of the Research Centre for Insurance at the University of Münster
  • Expert and Legislative Committee for Insurance Law of the German Bar Association
  • Head of the regional Düsseldorf bar Committee for Insurance Law
  • Industrieclub Düsseldorf