Walder Wyss Ltd. fields an IP practice known for its breadth across trade marks, patents, designs, copyright and unfair competition, and for its aptitude in handling sophisticated disputes and advisory work. The team is jointly led by Roger Staub, noted for his proficiency in IP disputes, brand strategy and cross-border enforcement, and Markus Frick, who covers patent and technology matters, licensing, and litigation. A key figure within the practice, Sylvia Anthamatten plays a central role across trade mark strategy, prosecution, and contentious proceedings. Alain Alberini, who joined the firm from sigma legal in September 2024, contributes additional expertise across copyright, design, branding and media-related work.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

‘The attorneys at Walder Wyss are very professional and responsive. Their opinions are thorough and they have shown solid knowledge of Swiss trade mark law and practice.’ \n‘Markus Frick is distinguished by his consistent professionalism, which is evident at every stage of case handling. His dedication, depth of expertise and client-oriented approach make him a valued partner in our daily practice.’ \n'Walder Wyss is a fantastic choice for all IP cases in Switzerland, irrespective if you want to fight for the registration of a mark or enforce IP rights against infringers. They deliver great results due to the smart team!' \n'I have known Roger Staub for about 13 years now and he still is my favourite counsel for all IP matters in Switzerland. Great person and also very knowledgeable, always able to find creative solutions to clients' problems.' \n'Markus Frick is distinguished by his consistent professionalism, which is evident throughout every stage of case handling. Markus provides us with comprehensive and forward-thinking advice, always focused on identifying the best possible solution for the client. His dedication, depth of expertise and client-oriented approach make him a particularly valued partner in our daily practice.'

Key clients

ABB Ltd.
Actial Farmaceutica Srl
Amazon
Amazon Web Services
Apple TV
Argus Data Insights
AT&T
Bystronic
Deutsche Börse/Qontigo
Easygroup
FIBEP Swiss Chapter
Giorgio Armani SpA

Work highlights

Advised Handpan Community United and associated handpan makers and sellers in litigation against PANArt AG concerning copyright claims over handpan instruments in Switzerland, Germany and the Netherlands.

Advised Ortovox Sportartikel GmbH in patent litigation before the Swiss Federal Patent Court and parallel UPC proceedings against Mammut regarding the validity and infringement of a patent covering avalanche transceiver technology.

Advised Aldi in ongoing trade mark and unfair competition litigation brought by Lindt & Sprüngli concerning alleged imitation of LINDOR chocolates by Aldi’s Moser Roth product.

Lawyers

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