Christel Brion, Elke Janssens, Ken Lioen and Florence Verhoestraete

Christel Brion, Elke Janssens, Ken Lioen and Florence Verhoestraete

Christel Brion, Elke Janssens, Ken Lioen and Florence Verhoestraete

- NautaDutilh

Ken Lioen is a local partner in the tax department of NautaDutilh Brussels. He has extensive expe-rience in cross-border transactions and international tax structuring. Ken also regularly assists cli-ents with applications for tax rulings, the implementation of management equity plans, and group reorganizations and (re)financing.
Prior to joining NautaDutilh, Ken worked in the Brussels, Antwerp and New York offices of a Big 4 consultancy firm in the transactions and international tax department, in which capacity he advised multinational companies and private equity firms.
Ken has substantial experience helping companies establish a business in Belgium and apply for various tax incentives. He has specific expertise in international expansion, having advised many companies on how to achieve cross-border growth and tax-efficient new market entry.


Elke Janssens focuses on public and private M&A and VC/PE transactions. Her background in both law and economics is particularly useful in M&A deals.
Elke co-heads NautaDutilh's life sciences sector team.
She represents global life sciences players in investment and M&A transactions and regularly advises start-ups and scale-ups on how to maximise value and position themselves as advantageously as possible in order to meet their current needs and achieve long-term goals.


Christel Brion specialises in intellectual property and regulatory affairs.
She counsels large companies as well as start-ups, SMEs, universities and research institutes active in various innovative fields, in particular the life sciences and healthcare sectors (including bio-pharma, med tech, diagnostics and IT specialists).
Christel is in frequent contact with the public health authorities and industry bodies and advises on and litigates cases involving a wide range of regulatory and related issues, such as borderline products, clinical studies, (early) market access, off-label use, distribution, advertising and promotion compliance, mobile health, patient support programmes, pharmaco- and materiovigilance, product liability claims, parallel imports and cross-border healthcare.

She has particular expertise in patent litigation, including assisting innovative companies with the development of life-cycle management strategies and the defence of their intellectual property rights (in particular patents and SPCs).


Florence Verhoestraete's practice focuses on patents, trademarks and unfair competition issues.
She represents clients in the food, consumer goods and life sciences sectors, amongst others, and has extensive transactional and litigation experience with respect to intellectual property, contractual and regulatory issues.

Florence co-heads NautaDutilh's life sciences sector team.

She applies her substantial experience and in-depth knowledge of contractual matters to the drafting of licence and sub-licence agreements, IP transfer clauses, non-disclosure agreements, IP right assignment agreements, and sponsorship agreements for non-commercial clinical studies. Strategic Partners Supporting Partners