KLOS c.s. attorneys at law
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Copyright and design litigation boutique KLOS c.s. attorneys at law is distinguished by its ‘creative approaches’ to complex cases. The firm represents multinational fashion, design, and luxury brands in enforcement matters, including in proceedings before the Court of Justice of the European Union. The practice is led by Sven Klos, Allard Ringnalda, and Moïra Truijens.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Moïra Truijens is an exceptional lawyer with deep expertise in trademark, copyright and design law.'
- ‘KLOS attorneys combine deep legal expertise with a client-focused approach. They deliver outstanding quality.’
Key clients
- Koninklijke Philips N.V.
- Vitra Collections A.G.
Work highlights
Litigating for Vitra in landmark case court proceedings (up to the CJEU) about copyright protection for one of Vitra’s most important, iconic and commercially significant furniture designs: the 1950s ‘DSW’ chair.


