Contact number
+31 20 578 5785Provided by Chambers
Loyens & Loeff's team offers notable expertise in arbitration mandates. The law firm is particularly well placed to handle the enforcement of arbitral awards and setting aside proceedings, as well as disputes under ICC and UNCITRAL rules. It also advises on shareholder and post-M&A disputes. Its client base comprises governmental bodies, financial institutions and corporates in the energy sector.
Loyens & Loeff represented the former majority shareholders of Yukos Oil in the enforcement of the over USD50 billion arbitral awards rendered against the Russian Federation related to the unlawful expropriation of its investment.
Provided by Chambers
The work is always legally profound and provided within a short period of time.
I am really happy with how Loyens & Loeff deals with cases and the team is a true fit for us as clients. It really looks at what is best for the case.
The Loyens & Loeff team always manages to keep its calm and analyses the relevant legal questions with great depth and at short notice. There is great confidence in its work at all times.
Loyens & Loeff has a very good international network.
Loyens & Loeff's lawyers have excellent advocacy skills, creative thinking and a problem-solving approach that I have not found with other Dutch law firms.
The work is always legally profound and provided within a short period of time.
I am really happy with how Loyens & Loeff deals with cases and the team is a true fit for us as clients. It really looks at what is best for the case.
The Loyens & Loeff team always manages to keep its calm and analyses the relevant legal questions with great depth and at short notice. There is great confidence in its work at all times.
Loyens & Loeff has a very good international network.
Loyens & Loeff's lawyers have excellent advocacy skills, creative thinking and a problem-solving approach that I have not found with other Dutch law firms.
Provided by Chambers
Tom Claassens frequently represents clients in disputes concerning arbitral awards. In addition, he acts on shareholder disputes under ICC and UNCITRAL rules.
Tom Claassens is a great advocate to listen to. He is quick on his feet and likes the fight. I always like crossing paths with him.
Tom Claassens is a great lawyer to work with.
Tom Claassens is a strong advocate with excellent client skills. He is smart, detail oriented and thinks strategically and outside the box.
Tom Claassens is very renowned and a joy to work with. He is solid.
Tom Claassens is an excellent all-round lawyer with strong advocacy skills. He is also very client-friendly.
Mirjam van de Hel-Koedoot has particular expertise in setting aside proceedings and the enforcement of arbitral awards. She is also adept at handling arbitration proceedings under NAI rules. She joined Loyens & Loeff in May 2025 after having worked at NautaDutilh.
Mirjam van de Hel-Koedoot is a sophisticated lawyer who is capable of putting legal points forward based upon precise analysis of the case.
Mirjam van de Hel-Koedoot has very good commercial sense and is very practical.
Mirjam van de Hel-Koedoot is a key contact in complex international matters.
She is very strong in enforcement cases.