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Philipp Duncker


Philipp Duncker
English, French, German, Spanish
Practice Group

Philipp Duncker represents national and international clients in litigious matters before arbitral tribunals and state courts. Philipp has profound knowledge regarding the automotive and energy sector and specific knowledge in handling gas, project and supply chain disputes. 

Philipp's arbitration experience includes disputes under ICC, DIS, VIAC, Swiss and UNCITRAL rules as well as ad-hoc proceedings. In addition, Philipp regularly advises clients in matters relating to insurance litigation, in particular, D&O matters.

Philipp publishes on topics related to recent developments in the arbitration field and Spanish law. Philipp is member of the ICC YAF, ICDR Young & International, DIS, DIS40, YAAP and ASA Below 40.

Representative experience

Representing an international oil and gas company in an arbitration concerning the procurement, engineering and construction of a refinery project in Germany.

Representing a multinational corporation in the energy sector in an arbitration (ICC) against a construction company.

Advising leading oil and gas companies in arbitrations (ad-hoc and ICC) regarding price revision and price determination disputes under long-term gas supply agreements.

Advising the government of an EU member state regarding the annulment of an arbitral decision relating to the validity of a bilateral investment protection treaty.

Advising and representing initiators of closed end property funds in mass litigation proceedings before state courts regarding prospectus liability.

Advising a leading German engine manufacturer in relation to D&O coverage issues.

Advising and representing a former board member of a leading German software company in relation to liability claims brought by the company.

Education and admissions


  • German-Spanish Lawyers' Association
  • DIS 40 (German Institution of Arbitration)
  • Young Austrian Arbitration Practitioners
  • ASA Below 40 (Swiss Arbitration Association)
  • ICC Young Arbitrators Forum
  • ICDR Young & International

Bar admissions and qualifications

  • Germany
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