Yannick has specific experience in advising and negotiating on license agreements, (cloud) software implementation, maintenance and development, transitional services agreements (TSA) and other services agreements, (critical) IT outsourcings, distribution agreements, cooperation agreements, and IT and data transactions, migrations and disentanglements.

Recent work highlights include:
• Advising a licensed insurer on the critical outsourcing of its back office software administration system to multiple suppliers;
• Advising Willis Towers Watson (WTW) on the sale of WTW's premium pension institution (PPI) LifeSight in the Netherlands to Athora Netherlands;
• Advising a multinational on setting up and executing a competitive tender for an IT outsourcing contract;
• Advising a multinational on the development and maintenance of software, including open source and third party software use and the licensing structure with the end users;
• Advising Bregal Unthernehmerskapital on multiple M&A deals; and
• Advising a multinational managed cloud hosting and security provider on multiple disputes with its suppliers.

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Memberships

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Dutch bar association
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iTechlaw
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Dutch Association for Information Technology and Law
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Qualifications

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Postdoc IT law, Grotius Academy, 2019-2020 (cum laude)
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The Law Firm School, Nijmegen, 2018
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Commercial and Company Law (LL.M.), Erasmus University Rotterdam, 2014
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Ondernemingsrecht (LL.M.), Leiden University, 2015
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Publications

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Y. Geryszewski & P. Schoenmakers, De Transitional Services Agreement: het ondergeschoven kindje van de transactie?, TOP 2022/346 (afl. 7, p. 20-25)
Event
Cyber security decrypted: Regulation, Reputation, Response
Brussels
10-12-2024
13:30 - 18:00 CET
Cyber security decrypted: Regulation, Reputation, Response
In partnership with the Belgian Institute of Company Lawyers (IBJ-IJE), we are pleased to host a seminar on cyber security at our Brussels office on 10 December 2024. Join us for interactive deep-dive

What others say

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"Yannick Geryszewski is a very knowledgeable, proactive and pragmatic attorney. He is quickly up to speed in complex matters and great to work with."
Legal 500 - EMEA (2024)
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"Pjotr Heemskerk and Yannick Geryszewski are fast-thinking, knowledgeable and quick to respond. Pjotr Heemskerk cannot be beaten when it comes to knowledge of contract law and intellectual property law, and Yannick Geryszewski is about to take over the Dutch IT law market."
Legal 500 - EMEA (2024)
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"Yannick Geryszewski will always allocate his deep knowledge of IT law to your business" unique needs."
Legal 500 - EMEA (2024)
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Yannick Geryszewski named "Rising star" in Industry focus: Information Technology
Legal 500 - EMEA (2024)
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Yannick Geryszewski named "Key lawyer" in Industry focus: Information Technology
Legal 500 - EMEA (2024)
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‘Yannick Geryszewski actively presents different possibilities. He also thinks practically and ensures that parties that are not legally literate can also understand the matter.’
Legal 500 - EMEA (2023)
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Yannick Geryszewski named "Rising star" in Industry Focus: Information Technology
Legal 500 - EMEA (2023)
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Yannick Geryszewski named "Key lawyer" in Industry Focus: Information Technology
Legal 500 - EMEA (2023)
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‘Yannick Geryszewski is a senior associate to watch. Very knowledgeable and fast-thinking. Strong track record in M&A which is very relevant in tech transactions.’
Legal 500 - EMEA (2022)
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"Senior associate Yannick Geryszewski is highly rated for his expertise in transactions and has experience in service agreements and software and data migration."
Legal 500 - EMEA (2022)
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Mr. Yannick Geryszewsk is also a positive thinker with exceptional personal and communication skills.
Legal 500 - EMEA (2020)
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"Positive thinker’ Yannick Geryszewski plays a central role in the team’s risk management and litigation work"
Legal 500 - EMEA (2020)
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Yannick Geryszewski

Senior Associate - Attorney at Law

yannick.geryszewski@loyensloeff.com

Amsterdam

Dutch , English

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<p>Yannick Geryszewski, attorney at law, is a member of the Litigation & Risk Management Practice Group in our Amsterdam office. He focuses on software, IT, trade secrets and technology transactions, commercial contracting and strategic relationships. <br><br>Prior to working on the Litigation & Risk Management Practice Group, Yannick has worked in our Corporate/M&A practice. He uses that experience to negotiate in a practical and efficient manner, always keeping in mind the commercial and technical aspects. <br></p>

Yannick has specific experience in advising and negotiating on license agreements, (cloud) software implementation, maintenance and development, transitional services agreements (TSA) and other services agreements, (critical) IT outsourcings, distribution agreements, cooperation agreements, and IT and data transactions, migrations and disentanglements.

Recent work highlights include:
• Advising a licensed insurer on the critical outsourcing of its back office software administration system to multiple suppliers;
• Advising Willis Towers Watson (WTW) on the sale of WTW's premium pension institution (PPI) LifeSight in the Netherlands to Athora Netherlands;
• Advising a multinational on setting up and executing a competitive tender for an IT outsourcing contract;
• Advising a multinational on the development and maintenance of software, including open source and third party software use and the licensing structure with the end users;
• Advising Bregal Unthernehmerskapital on multiple M&A deals; and
• Advising a multinational managed cloud hosting and security provider on multiple disputes with its suppliers.