STAUNCH
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STAUNCH centres its practice on international arbitration matters, handling both commercial and investor-state arbitration domestically as well as across Europe and Asia. The team is co-led by Stefan Derksen and Irène Léger. Derksen handles a range of disputes involving the construction, technology, IT and insurance sectors, while Léger excels in commercial, investment, and post-M&A arbitration. Other notable team members include Lútsen de Vries, who is the go-to for construction-related disputes, setting aside proceedings and enforcement of arbitral awards.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The team at STAUNCH has several excellent lawyers, who have distinct strengths and collaborate well, adding to their joint impact.’
- ‘Lútsen de Vries deserves particular mention. His analysis is excellent, as is his oral delivery in court. He has an impressive mix of analysis and relentlessness a great lawyer should have, while also being kind and discreet which makes him effective in persuading a court and cooperating with clients without unnecessary friction.’
Key clients
- Bolivarian Republic of Venezuela
- Vitrus Consultoria de Mercados
Work highlights
Represented Venezuela in four separate setting-aside cases following arbitration proceedings brought by investors for claims totalling more than $1bn.


