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Louis Jonker

Work +31 20 6789 510
Van Doorne

Work Department

Information Technology, ICT, Commercial, Outsourcing, FinTech/Innovative Payments, Healthcare & Life Sciences, Cyber Response Team


Louis provides legal advice across the cycle of IT projects and transactions, from the preparations through contract negotiations and closing, as well as within the context of contract management and dispute settlement.


He also increasingly focuses on supporting clients in complicated sourcing and outsourcing projects, with regard to contracts as well as compliance issues.

Louis’ clients call him extremely trustworthy and value his pro-active and pragmatic approach with advice that reflects his astute insight into the subject matter. In his collaboration with the parties involved, Louis always catches the right tone.

Chambers Europe (2017), TMT: IT & IT Outsourcing: "His clients describe him as 'very easy to work with due to his excellent business understanding and knowledge of the outsourcing market"'.

In addition to various memberships of national and international associations in the area of information technology and the law, Louis is very active in the Platform Outsourcing Nederland (PON), including in co-organizing PON's renowned annual outsourcing conference as of 2013.


  • International Technology Law Association (ITechLaw)
  • Netherlands Association of Computer Lawyers (VIRA)
  • Lecturer on 'Contracts & ICT', Tilburg Institute for Law, Technology, and Society (TILT), Tilburg University
  • Netherlands Association for IT and Law (NVvIR)
  • Platform Outsourcing Nederland
  • Holland FinTech
  • Lecturer at Nyenrode Business University


  • Postgraduate degree in Computer Law, cum laude, Grotius Academy, the Netherlands, 2008
  • Dutch Law, University of Amsterdam, the Netherlands, 2000

Netherlands: Industry focus


Within: Next generation lawyers

Louis Jonker - Van Doorne

Within: IT

Data protection and healthcare-related IT are particular strengths of Van Doorne’s practice, which welcomed Bart van Reeken from De Brauw Blackstone Westbroek in November 2017. ‘Deeply knowledgeable, internationally connected’ privacy expert Elisabeth Thole advised Dutch Ophthalmic Research Centre (International) on data protection matters. Kees Stuurman is ‘very experienced’ in outsourcing; Louis Jonker is ‘highly knowledgeable’.

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Legal Developments in Netherlands

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to
  • Dynamic Contracts: Changing employment practices in the digital era

    Digital platforms designed to deliver professional services are changing the European employment landscape as both employers  and workers look for more flexible ways to work.
  • New Late Payments Directive

    Despite the implementation of Directive 2000/35/EC on combating late payment in commercial transactions in 2002, the European Commission (the “Commission”) concluded in 2008 that late payments were still widespread in the EU. It also turned out that public authorities in certain Member States were stipulating unjustifiably long contractual payment periods for transactions.
  • Amendment of the Collective Redundancy Notification Act

    On 1 March 2012 the Collective Redundancy Notification Act (Wet Melding Collective Outslug, "WACO") will be amended. What changes does this involve?
  • New Corporate Law Legislation

    In the field of corporate law, there are four (coming) Acts that attract attention, namely the introduction of the tenth book of the Dutch Civil Code, the amendment of the Marital Property Act and, to conclude, the coming entry into effect of the Management and Supervision Act and the Flexibilization of BV Act. Please find below a short explanation of each Act.
  • Shipping & Transport - Netherlands

    Attaching maritime assets in insolvency
    - AKD
  • The employment of foreign workers. What issues do you need to be aware of as an employer?

    The employment of foreign workers regularly raises questions. A brief summary of the most important areas of attention will be dealt with in this article.
    - AKD
  • Non-solicitation agreement violated via LinkedIn

    A non-solicitation agreement usually restricts the ability of an employee - after an employment contract has ended - to approach the clients of the former employer. The former employee of a software company recently discovered that the scope of such an agreement can also include contacts made via LinkedIn.
    - AKD

    Few jurisdictions can boast a foreign direct investment record like the Netherlands. As the world's seventh largest inward receiver of investments, housing approximately 9000 foreign-owned companies, the country's dynamic business environment provides an invaluable insight into macro investment trends.
    - AKD
  • Forming a company in the Netherlands

    The Netherlands and Dutch law The Netherlands is a perfect business location for foreign entrepreneurs (2,000 subsidiaries in Amsterdam, 140,000 jobs). It is the gateway to densely populated Western Europe and has a well-developed logistic and technical infrastructure.
  • Leasing of commercial premises in the Netherlands

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