Peter Ling

Manuel Bigler is a managing associate in the firms’ practice area Intellectual Property (IP). He advises and represents clients in all aspects of IP law with a particular focus on trademark, patent and copyright law. His practice also includes unfair competition, media and advertising law. He regularly advises clients in negotiating IP and technology-related agreements, such as license agreements. Manuel Bigler is further specialized in representing clients in disputes before courts and...

Urs Schenker is very experienced in the areas of restructuring, financing, capital markets, M&As and company law. He has been involved in numerous national and international M&A transactions and public takeovers as well as financing, restructuring and other corporate finance transactions. He has published a number of books and specialist articles in his fields of expertise and is a regular lecturer at conferences in Switzerland and abroad. Urs Schenker completed his law studies in Zur...

Robert Desax is a partner in the tax team. He works in the fields of national and international taxation. He represents clients in controversial tax matters and assists private clients regarding the tax aspects of estate and wealth planning. He regularly advises on cross-border implications of international taxation, especially on the application of double tax treaties, on issues in connection with the refund of Swiss withholding taxes in international structures, on the Swiss tax treatment o...

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...

Jan Ole Luuk is counsel in the Tax Team. He is an indirect tax specialist with a focus on Swiss and EU value added tax (VAT) and related customs and excise matters. He speaks and publishes regularly in the field of indirect taxation. Born in 1971, Jan Ole Luuk was educated at the Free University Berlin (First State Law Exam 1996) and the University of London (LL.M. 1997). He continued his legal education at the Court of Appeal Berlin (Second State Law Exam 2000). He graduated as a Certified T...

Irène Suter-Sieber is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Irène, 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 Irène is held by other top lawyers in the same geographic and legal practice area.

Monique Sturny is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust/Competition Law and Public Law. Monique, 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 Monique is held by other top lawyers in the same geographic and legal practice area.

Counsel Simone Brauchbar Birkhäuser advises and represents clients in connection with contentious and non-contentious issues relating to trademarks, designs, copyrights, patents, data protection, unfair competition and advertisement. She has substantial experience in the drafting and enforcement of contracts for the transfer of intellectual property rights, especially license agreements. She further regularly deals with all due diligence relevant IP/IT and data protection aspects of corp...

Christian Eichenberger is a partner in the real estate team. He focuses on real estate development, real estate transactions and real estate dispute resolution. In addition to his real estate transaction and real estate development experience, Christian Eichenberger also has extensive experience in real estate dispute resolution with particular expertise in the fields of construction law, planning and zoning law and landlord tenant law. He represents clients in both arbitration proceedings an...

Luc Defferrard, partner with Walder Wyss since 2001, has been active in the finance and legal industry for many years. He mainly advises clients in domestic and cross-border mergers & acquisitions, financing, restructuring as well as in real estate and capital market. Luc Defferrard particularly focuses on private equity and venture capital transactions. He is regularly recommended by Chambers, Legal500 and IFLR1000. Chambers Europe describes him as "always available" and "very strong neg...