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Erik Jonkman


Atrium - Parnassusweg 737
1077 DG Amsterdam
PO Box 94700
1090 GS Amsterdam
Languages Dutch, English

Erik Jonkman is an advocaat in our IP / TMC Practice Group. He is an expert in matters that involve information technology and data, with a particular focus on the legal aspects of cybersecurity. 

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Relevant experience

  • Providing 24/7 incident response in dozens of domestic and cross-border cyber incidents, including data theft, ransomware attacks, CEO fraud and IT system failures (2020)
  •  Representing an IT supplier in a high-profile financial outsourcing dispute (2020)
  • Advising a wide variety of key clients on GDPR-compliance in relation to COVID-19, including international data centres, manufacturers and hotel chains (2020)
  • Representing a major logistics company in an enterprise resource planning software licensing dispute (2020)
  • Reviewing cyber insurance policies for multiple insurance companies (2020)
  • Representing a public transport company regarding the purchase, development and implementation of mobility-as-a-service software (2020)
  • Representing a financing company in a complaint procedure before the Dutch Data Protection Authority regarding the right to be forgotten (2020)
  • Advising on data protection compliance in two high-profile distressed M&A transactions in the Dutch retail market (2019)
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  • Dutch Law (Internet, Intellectual property & ICT), VU Amsterdam
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  • Dutch Association of Information Technology and Law (NVvIR)
  • International Association of Privacy Professionals (IAPP)
  • Privacy Law Association (VPR)
  • Copyright Law Association (VvA)
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14 July 2020
The Chan­ging Face of Cy­ber Claims
To­geth­er with Marsh, and Wave­stone, CMS has con­trib­uted to this cy­ber in­sur­ance loss study which looks at prac­tic­al ways to man­age and mit­ig­ate cy­ber risk and claims in con­tin­ent­al Europe.
CMS ad­vised Korean in­vestor Hana Al­tern­at­ive As­set Man­age­ment on the ac­quis­i­tion...
The EU Gen­er­al Data Pro­tec­tion Reg­u­la­tion
CMS ad­vised Naut­ic Part­ners, LLC on its ac­quis­i­tion of En­dries In­ter­na­tion­al...
CMS ad­vises Auto­Scout24 on the ac­quis­i­tion of Auto­Trader.nl