Weinmann Zimmerli
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IP boutique WEINMANN ZIMMERLI is co-led by Stefan Keehnen, who oversees global portfolios, filing strategies and anti-counterfeiting programmes, alongside Marco Handle, who has a ‘business-oriented approach’ to trade mark enforcement, unfair competition and copyright and software disputes. Fabian Wigger is a ’go-to’ practitioner for copyright, entertainment and collective rights matters, while trade mark and brand management specialist Sandra Przewloka was promoted to partner in 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Very focused firm with outstanding capabilities for all intellectual property matters. Value for money. Pragmatic case handling.’ \n‘Fabian Wigger is one of the go-to persons in Switzerland when it comes to copyright matters. At the same time, he is an expert in other fields such as trade marks. Calm, efficient and pragmatic case handling.’ \n'Marco Handle has successfully managed complex litigation with a 360-degree view across various areas of law, always with a strong business-oriented approach.' \n'Stefan Keehnen is a leading authority in trade mark prosecution and enforcement, and his advice is consistently insightful.' \n‘There is a good atmosphere within the team, which is also noticeable to clients. The team members support and trust each other. Every team member is respected.’ \n'The team members of Weinmann Zimmerli are all very professional. Their knowhow is great and always up-to-date.' \n'Reachable and open to our needs. Propositions for decision making are thoughtful and complete. This makes the cooperation very satisfying.' \n'Alban Shabani is a very bright and talented lawyer with unlimited energy for his clients. Stefan Keehnen is a great trade mark attorney with good strategic insight in building and maintaining a trade mark portfolio.'