The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon


Work +49 89 28 62 80
Fax +49 89 28 0110
Alicante, Berlin, Bratislava, Brussels, Bucharest, Budapest and 10 more

Dr Oliver Sieg

Work +49 211 49966 220

Work Department

Litigation, Arbitration & ADR, Insurance & Reinsurance


Oliver Sieg, based in Düsseldorf, is member and partner in Noerr's litigation, arbitration & ADR practice group and 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


Admitted in 1995; Joined Noerr in 2002.


Speaks German (native language), English and French.


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


Educated at the Universities of Bonn, Cologne, Cambridge (England), Speyer and Münster.

Germany: Dispute resolution

Commercial litigation

Within: Commercial litigation

Noerr frequently handles bank and capital markets-related litigation alongside contentious product liability and insurance law matters. Christine Volohonsky has been representing an international trading group in various contentious issues pertaining to a joint venture, and acted for Kommunale Wasserwerke Leipzig before the Court of Appeals in London for payment claims from derivatives. Stefan Blum defended Sal. Oppenheim against several damage claims brought by investors for alleged faulty investment advice provided on Oppenheim-Esch fund matters, while team head Michael Molitoris represented various companies of an international automotive supplier in product liability proceedings for airbags including recall negotiations and recourse claims. Other key individuals include Oliver Sieg and newly promoted partner Sophia Habbe.

[back to top]

Germany: Insurance

Insurance litigation

Within: Leading individuals

Oliver Sieg - Noerr

Within: Insurance litigation

Noerr stands out for its ‘excellent industry knowledge’, which, after Tanja Schramm’s and Henning Schaloske’s move to Clyde & Co LLP in September 2016, is predominately called upon by policyholders, while the team still maintains its close contacts with primary insurance and reinsurance companies. Oliver Sieg has been acting for an international energy company in asserting claims against fidelity insurance companies for unauthorised speculative transactions in the derivatives trading business. This competence in insurance, corporate and banking law proves to be a particular strength of the team, which is also played out in D&O, product liability and major damage sector work. In the latter segment, the team assisted an international company in the energy industry with the enforcement of a claim for damages to a hydroelectric power plant against a company and liability insurer. Thomas Heitzer heads the team, which includes the ‘very competentHelmut Katschthaler.

[back to top]

Back to index

Legal Developments by:

  • New Top Level Domains – Noerr expert warns against trademark infringements

    On June 13, the Internet Corporation for Assigned Names and Numbers (ICANN) published the names of those who have applied for a new top level domain the ending of which may be geographic, such as "munich", industry identification such as "insurance" and even all trademark names and company descriptions such as "canon" and "adidas".
    - Noerr

Legal Developments in Germany

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to