Profile
Work Department
Position
Legal Director
Career
Sjef Janssen is a legal director in Baker McKenzie's Amsterdam office, where he focuses on commercial and competition litigation. Before joining the Firm in 2013, he was a junior lecturer on EU law for Leiden University's undergraduate and graduate programs.
Sjef has substantial experience in general commercial and competition litigation, as well as corporate and international arbitration. He represents a wide variety of clients before courts of all levels, including the Supreme Court and the EU Court of Justice.
Sjef has registered the following principal legal practice areas in the Netherlands Bar’s register of legal practice areas (rechtsgebiedenregister):
- General Practice, Private law (Algemene Praktijk, Burgerlijk recht)
Based on this registration, he is required to obtain ten training credits per calendar year in each registered principal legal practice area in accordance with the standards set by the Netherlands Bar.
Languages
Memberships
- Dutch Bar Association (NOvA)
- Dutch Association for Competition Law
- Dutch Association for Corporate Litigation
- Dutch Association for Procedural Law
Education
- Leiden University (LL.M. EU Law) (2012)
- Leiden University (LL.B. Dutch Law) (2010)
Content supplied by Baker McKenzie
Testimonials
Collated independently by Legal 500 research team.
‘Well prepared, agile and collaborative at all points in time - particularly for preparation before the oral hearings.’
‘Working with Itse Oosterhoff has been a true differentiator compared to other litigation counsel. He stands out through his combination of creativity and business-oriented strategic thinking. He is always willing to act as a sparring partner and consistently brings a thoughtful, proactive, and engaged approach.'
‘We regularly work with Baker McKenzie and find that their guidance is very clear and comprehensive. They break up complex problems and simplify, which helps with swift decision making.’
‘Sjef Janssen has been exceptional in pushing forward our dispute. He is a lateral thinker, and - in addition to drafting excellent pleadings - he has shown he has a wonderful strategic mind, keeping us one step ahead of our opponent.’
‘Baker McKenzie is an excellent firm to work with: a highly skilled and truly international team, broad expertise across many specialisms, and impressively short response times.’
‘Mirjam de Blecourt stands out for excellent strategy in best interest of the client. Frank Kroes knows all the details and puts that into a plan. Joris Oudelaar is fast and accurate.’
‘Baker McKenzie has a stellar team, headed by litigation rock star Itse Oosterhoff.’
‘Very seasoned team. Broad experience to draw upon. Balanced and pragmatic with their advice, which I appreciate.’
Key clients
- Almirall AWWG Investments B.V. Barclays Caterpillar Clear Channel International & Clear Channel Nederland B.V. FSN Capital Hewlett-Packard Inc. (HP) Ingram Micro LTDA MSD Animal Health NetApp Pepe Jeans S.L. and Pepe Retail-Comercio de Texeis Securitas Direct B.V. Shell Chemicals Europe B.V. Unipessoal