Philipp Groz

Ramona Wyss is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law. Ramona, who practices law in Zürich, Switzerland, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ramona is held by other top lawyers in the same geographic and legal practice area.

Markus Frick specializes in all aspects of intellectual property law with a particular focus on trademark, patent and unfair competition law. Other areas of expertise include media law as well as food and drugs regulations. He regularly represents clients in complex and cross-border litigations before courts and administrative bodies. He advises clients on the development and management of IP rights, related contracts and transactions. He speaks and publishes regularly on topics in his area o...

Partner Stephan Werlen focuses on M&A and corporate law, joint ventures, MBOs, acquisition finance, venture capital transactions, corporate restructuring and corporate relocation. He has broad experience both in domestic and international mergers and acquisitions (including auction processes) and the financing of such transactions. In addition, he is an expert in W&I insurance transactions (M&A insurance) with a long track record in this area. Stephan Werlen also regularly advises...

Florian Gunz Niedermann is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Florian, who practices law in Zürich, Switzerland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Florian is held by other top lawyers in the same geographic and legal practice area.

Martin Busenhart is a partner in the Tax Team. He advises on national and international tax matters and is specialised in domestic and international structuring of capital market transactions, acquisitions and divestments and tax-optimized structuring for relocations of entrepreneurs, partnerships and corporate groups. Martin Busenhart was educated at Zurich University (lic. iur. 1988) and graduated as Certified Tax Expert (1994). He has working experience as tax expert and tax partner with a...

Thomas Müller is a partner with the Banking & Finance practice in Zurich and advises banks, asset managers, fund managers, insurance companies and FinTech companies in complex regulatory matters and represents market participants before the Swiss regulatory authorities and as recognised representative before the SIX Swiss Exchange. He has been advising and managed a large number of e-money and payment services, cryptocurrency and blockchain projects. In finance, he focuses on corpora...

Daniel Staffelbach is a partner in the Corporate & Commercial Team of Walder Wyss. He counsels Swiss and international clients in all sectors of health care & life sciences and in the insurance industry. His main areas of practice include company and contract law, public law and employment law. He advises his clients and also represents them in litigation. Born in 1966, Daniel Staffelbach studied law at the University of Berne (attorney 1993). He worked at the Administrative Law Panel...

Roger Staub is a Partner in the Information Technology, Intellectual Property and Competition Team. He represents national and international companies from various industries, such as luxury goods, pharmaceuticals, food, financial services, fashion, medical devices and media. He specialises in litigating complex cases before state courts and arbitration tribunals. In addition, he advises clients in negotiating IP and technology-related contracts and in developing IP strategies. He also works ...

Kinga M. Weiss is a partner and co-chair of the Private Clients team of Walder Wyss. She primarily devotes her time to domestic and foreign private clients, banks and family offices. Her areas of expertise are centered around both private clients and entrepreneurs in matters of inheritance law, including marital property law, relating to estate planning, business succession and execution of wills. Cross-border cases account for the bulk of her field of action. Besides, she also supports clien...

Admitted to the Bar since 1978 Areas of practice: International banking law, antitrust law, corporate law, IT, internet and media law, Professor of Civil, Business and European Law at the University of Zurich, Board Member of the European Institute in Zurich, Co-Director of the Center for Information and Technology, Society and Law, Zurich, Co-Director of the Center for Financial Market Regulation, President of the Appeal Commission of the Swiss Exchange SWX, Visiting Professor at the Univers...