Theo Pauthonier
Theo is an associate in the Dispute Resolution practice based in Düsseldorf.
He specialises in complex cross-border dispute resolution, with a particular focus on commercial arbitration, investor-state arbitration, and public international law. He has been involved in arbitrations under different rules including ICC, UNCITRAL, DIS, and ICSID.
He has experience with disputes in the construction, energy, mining, infrastructure, and manufacturing sectors.
Experience & capabilities
Selected matters
- a major European energy holding company against an Eastern European State in relation to expropriation claims in multi-billion-dollar arbitration proceedings under the Energy Charter Treaty and the UNCITRAL Rules
- a major European energy company against an Eastern European State in relation to BIT claims in multi-billion-dollar arbitration proceedings under the HKIAC Rules
- a major German energy company in ICC arbitration against a Russian state-owned energy company arising out of a large midstream project with claims exceeding $1 billion
- QazaqGaz NC JSC in investment arbitration proceedings against Kyrgyzstan in relation to an investment in a major transborder midstream energy project under the Energy Charter Treaty and Kazakh-Kyrgyz BIT
- a German energy company in ICC arbitration arising out of an investment agreement concluded with a Russian state-owned energy company with claims exceeding $200 million
- a major German energy company in ICC arbitration against a Russian state-owned energy company arising out of a large midstream project with claims exceeding $80 million
- an Eastern Asian state in ICSID arbitration over a dispute surrounding gold mining
- an Asian State in UNCITRAL arbitration against a major copper mining company with claims exceeding $ 28 billion
- a multinational company in an ICC arbitration in London concerning damage claims under an EPC contract for a fertiliser plant
- a multinational company in an ICC arbitration regarding damage claims for defects of network facilities in the TMT sector
Background
Theo is admitted to practice in Germany and as an avocat in Paris. He holds degrees from the University of Cergy-Pontoise (licence), Durham University (LL.M.), and Heinrich Heine University Düsseldorf. During his legal traineeship, he completed seats at HSF Kramer in Frankfurt and London, as well as at the German Embassy in Lithuania.
Theo is also a lecturer at the National University of Kyiv-Mohyla Academy.
A native French speaker, Theo is fluent in English and German, and proficient in Ukrainian.
