The ‘pleasant team’ at Van Doorne has experience advising its clients on both transactional and regulatory energy-related matters spanning hydrogen, carbon, heat, electricity and LNG. Léone Klapwijk has expertise in regulatory aspects of energy matters, whilst Diederik Maessen is transaction-focused; the pair oversee the practice. Other key practitioners to note include regulatory expert counsel Victor van Ahee, who has experience giving advice in connection with the energy transition alongside Klapwijk, and M&A-focused senior associate Yannie Lam, who joined in January 2023 from Eversheds Sutherland.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘A pleasant team to work with, with relevant experience in the wide-range of energy-related legal matters, which is unique in the field.’
- ‘Victor van Ahee is a good adviser to work with in the field of energy and environmental matters. He has an eye for the business, not just the legal issues.’
- ‘Diederik Maessen is the go-to figure when it comes to energy projects. He has excellent sector knowledge, vast corporate and finance experience and extensive contract writing experience. In addition, he has a very practical approach and is a pleasure to work with.’
- ‘Pleasant to work with and well aware of all the developments in the energy sector. We appreciate the collaboration we have with the team.’
- ‘We appreciate the entire team. Victor van Ahee's expertise stand-out.’
- ‘Diederik Maessen is an outstanding business partner, who I consider a trusted advisor, who is always aiming to help us as a client reach the best result. ’
- ‘Léone Klapwijk is very responsive and involved and feels more like a business partner than an external counsel.’
- ‘Diederik Maessen is a true energy projects specialist. He is very intelligent, understands the commercial and legal dynamics of a transaction and is able to translate complex legal issues into down-to-earth language. He is extremely pleasant to work with.'
Key clients
- Gasunie
- EBN
- Port of Rotterdam
- TenneT
- Royal Vopak
- Eneco
- Vattenfall
- VTTI
- RockRose Energy
- OCI
- Tata Steel
- Asper Investments
- Asper Dorothea
- Hydrogenious
- A.S.R.
- Dunea
- NetVerder
Work highlights
- Assisting Gasunie and Royal Vopak as their joint project counsel for the development of CO2next, where emitters can send their captured CO2 emissions by ship for permanent storage in depleted offshore gas fields.
- Assisting Gasunie and Royal Vopak as their joint project counsel on Vopak’s contemplated acquisition of a 50% stake in Gasunie’s EemsEnergy LNG terminal, a FSRU-based LNG import terminal.
- Advising one of the largest international oil and gas companies active in the North Sea on its bid of the offshore interests of the NAM, the Dutch oil and gas exploration and production company owned by Shell and ExxonMobile.
Lawyers
Next Generation Partners: regulatory
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
The lawyer(s) leading their teams.
Léone Klapwijk, Diederik Maessen