Parliament has revised the federal telecoms legislation – in particular, the Federal Telecommunications Act (TCA) and its various implementing ordinances. These revised regulations entered into force on 1 January 2021. The revision of the telecoms legislation brings about several fundamental changes that affect consumers as well as telecoms service providers (TSPs) and telecoms operators. Consumer protections The revised Swiss telecoms legislation offers increased protection for consumers in different areas. Concerning international roaming, per-second pricing (instead of per-minute pricing) and tariff options should benefit consumers by reducing costs...
Walder Wyss Ltd.
Main Contacts

Hans Rudolf Trüeb
PartnerOffices
Overview
Walder Wyss is one of the most successful and fastest growing Swiss commercial law firms. We specialize in corporate and commercial law, banking and finance, intellectual property and competition law, dispute resolution and tax law. Our clients include national and international companies, publicly held corporations and family businesses as well as public law institutions and private clients.
We are a dynamic law firm with flat management structures. The team of around 250 legal experts - all of whom with a high level of professional qualifications, international experience and excellent knowledge in many languages - is augmented by over 100 employees working in support functions.
Growth and a close relationship to our clients are the factors that determine our success. Walder Wyss was established in Zurich in 1972 and has since grown continuously. With offices in Zurich, Geneva, Basel, Berne, Lausanne and Lugano, we provide our clients with a seamless one-stop-shop, personalised and high quality services in all language regions of Switzerland.
Our strong national and international network of correspondents and partners from a broad range of disciplines are selected according to the highest standards of professional competence.
Year this Office was Established: 1972
Lawyers Worldwide: 261
Notable
Areas of Practice
Professionals
Partners

Diana Akikol
Partner
Adriano Antonietti
Partner
David Borer
Partner
Alexandre Both
Partner
Micha Bühler
Partner
Johannes A Bürgi
Partner
Martin Busenhart
Partner
Antonio Carbonara
Partner
Michael Cartier
Partner
Stefano Codoni
Partner
Maurice Courvoisier
Partner
Ayesha Curmally
Partner
Luc Defferrard
Partner
Robert Desax
Partner
Samuel Dürr
Partner
Christian Eichenberger
Partner
Michael Feit
Partner
Stefano Fornara
Partner
Markus R Frick
Partner
Rodolphe Gautier
Partner
Urs P Gnos
Partner
Pierre-Alain Guillaume
Partner
Florian Gunz Niedermann
Partner
Alexander Gutmans
Partner
Theodor Härtsch
Partner
Hubertus Hillerström
Partner
Dieter Hofmann
Partner
Dominik Hohler
Partner
Rayan Houdrouge
Partner
Michael Isler
Partner
Nicolas Iynedjian
Partner
Reto Jacobs
Partner
Davide Jermini
Partner
Stefan Knobloch
Partner
André Kuhn
Partner
Oliver M. Kunz
Partner
Fabienne Limacher
Partner
Liburn Mehmetaj
Partner
Andrea Meier
Partner
Thomas Meister
Partner
Thomas Müller
Partner
Thomas P Müller
Partner
Olivier Nicod
Partner
Alex Nikitine
Partner
Francis Nordmann
Partner
Philippe Nordmann
Partner
Markus Pfenninger
Partner
Luc Pittet
Partner
Philippe Pulfer
Partner
Mark A Reutter
Partner
Didier Sangiorgio
Partner
Fouad G Sayegh
Partner
Jürg Schneider
Partner
Katja Schott-Morgenroth
Partner
Olivier Sigg
Partner
Roger Staub
Partner
Marco Strahm
Partner
Thiemo Sturny
Partner
Monique Sturny
Partner
Irène Suter-Sieber
Partner
Hans Rudolf Trüeb
Partner
David Vasella
Partner
Markus Vischer
Partner
Patrick W Vogel
Partner
Robert von Rosen
Partner
Reto Vonzun
Partner
Kinga M Weiss
Partner
Simone Wetzstein
Partner
Andreas Wildi
Partner
Maurus Winzap
Partner
Lukas Wyss
Partner
Ramona Wyss
Partner
Martin Zobl
PartnerAssociates

Roxane Allot
Senior Associate
Roger Ammann
Managing Associate
Fabienne Anner
Managing Associate
Sylvia Anthamatten
Managing Associate
Kerstin Arnesson
Senior Associate
Sébastien Aubert
Associate
Marion Bähler
Managing Associate
Natassia Bangerter
Associate
Luca Belloni
Associate
Dimitrios Berger
Managing Associate
Nico Bernhard
Managing Associate
Manuel Bigler
Managing Associate
Nicolas Bopp
Associate
Francesca Borio
Associate
Marius Breier
Managing Associate
Théo Brühlmann
Associate
Michelle Bruni
Managing Associate
Lisa Brunner
Associate
Christoph Burckhardt
Associate
Valerio Caccia
Senior Associate
Anne-Catherine Cardinaux
Associate
Amina Chammah
Associate
Viktoriya Chernaya
Associate
Louis Christe
Senior Associate
Nicole Cleis
Managing Associate
David Cuendet
Senior Associate
Alfio Decristophoris
Senior Associate
Lisa Di Biase
Associate
Remo Di Marco
Associate
Joffrey Dobosz
Associate
Alex Domeniconi
Managing Associate
Bertrand Donzé
Associate
Agnès Dubey
Associate
Ivan Dunjic
Managing Associate
Stephanie Eggimann
Senior Associate
Valentina Eichin
Associate
Lukas Fellmann
Managing Associate
Regula Fellner
Managing Associate
Sonya Figueredo
Senior Associate
Ramona Fischer
Associate
Flora V Francioli
Senior Associate
Dario Galli
Senior Associate
Marco Galli
Managing Associate
Anaëlle Genoud
Senior Associate
Maria Gentile
Senior Associate
Lea Germann
Associate
Pamela Giampietro
Associate
Dario Glauser
Associate
Lena Götzinger
Associate
Ursina Gremminger
Managing Associate
Martin Greuter
Associate
Tabea Gutmann
Associate
Gabrielle Guye
Senior Associate
Christian Hagen
Managing Associate
Katrin Hagger
Associate
Isabelle Hanselmann
Senior Associate
Gustaf Heintz
Associate
Simon Henseler
Associate
Lucina Herzog
Associate
Roger Hofer
Senior Associate
Andreas Hösli
Senior Associate
Daniela Hottiger
Associate
Florian Iten
Associate
Vangelis Kalaitzidakis
Associate
Michael Kissling
Associate
Martin Klingler
Senior Associate
Jonas Knechtli
Managing Associate
Philippe Kohler
Senior Associate
Pascale Köster
Managing Associate
Sandrine Kreiner
Managing Associate
Kathryn Kruglak
Associate
Angela Kummer
Senior Associate
Michael Kündig
Senior Associate
Sabrina Kunz
Associate
Nadia H Kuzniar
Associate
Annemarie Lagger
Managing Associate
Erik Lanz
Associate
Julia Lehner
Senior Associate
Christine Leuch
Managing Associate
Nadja D Leuthardt
Associate
Samuel Lieberherr
Managing Associate
Matthias Lötscher
Managing Associate
Michael Lysakowski
Associate
Martina Madonna-Quadri
Senior Associate
Lucas Maurer
Associate
Hannes Meyle
Associate
Gina Moll
Associate
Bojan Momic
Associate
Anne-Sophie Morand
Associate
Yannick A Moser
Managing Associate
Stefanie Mühlebach
Associate
Michael Müller-Zhang
Associate
Thomas Nagel
Senior Associate
Sanela Ninkovic
Associate
Naomi Noël
Associate
Timon Nydegger
Senior Associate
Mirjam Olah
Senior Associate
Simon Olstein
Associate
Angelina Pellegrini
Associate
Patricia Pinto
Associate
Sophie Püschel-Arnold
Managing Associate
Sara Razgallah
Senior Associate
Léo Reber
Associate
Emilia Rebetez
Managing Associate
Hugh Reeves
Managing Associate
Benjamin Reis
Associate
Kento Reutimann
Associate
Yacine Rezki
Managing Associate
Natascha Rizzi
Associate
Katharina C Röhl
Associate
Florian Roth
Senior Associate
Ken Savioz
Associate
Letizia Schlegel
Associate
Michael Schmassmann
Associate
Christian A Schmid
Associate
Valentine Schnyder
Senior Associate
Albane Selimi
Senior Associate
Matthieu Seydoux
Associate
Michelle Sollberger
Associate
Alexander Sorton
Associate
Céline Squaratti
Associate
Rafal Szala
Managing Associate
Chloé Terrapon Chassot
Managing Associate
Quentin Thorens
Associate
Camille Tistounet
Associate
Naomi Toren
Associate
Karina Tschon
Senior Associate
Felix Tuchschmid
Associate
Sarah Vettiger
Senior Associate
Mattia Vidoz
Associate
Alain von Wattenwyl
Associate
Alice Vorburger
Senior Associate
Claudia Weber
Managing Associate
Celine Weber
Managing Associate
Andrea Tina Weber
Senior Associate
Stephanie Wichmann
Associate
Valentin Wiesner
Managing Associate
Chiara Wirz
Associate
Dzevrije Zendeli
Managing Associate
Mathieu Zufferey
Senior Associate
Pascal Zysset
Senior AssociateOf Counsel

Dominik Aerni
Counsel
Peter Bürkli
Counsel
Davide Cerutti
Counsel
Janine Corti
Counsel
Daniel Dedeyan
Counsel
Gion Giger
Counsel
Christine Glättli
Counsel
Caroline L Goette
Counsel
Kathrin Häcki
Counsel
Andrea Haefeli
Counsel
Urs Hofer
Counsel
Johannes Landbrecht
Counsel
Fabian Looser
Counsel
Laura Luongo
Counsel
Jan Ole Luuk
Counsel
Elisabeth Moskric
Counsel
Stéphanie Oneyser
Counsel
Urs Schenker
Counsel
Markus Schülin
Counsel
Marco Stacher
Counsel
Tervel Stoyanov
Counsel
Peter Straub
Counsel
Benjamin Suter
Counsel
Béatrice Viertl Bujard
Counsel
Daniel Zimmerli
CounselOther

Stina Rispoli
Marketing
Daniela Schaefle
MarketingArticles
Implementation of 2018-2022 National Strategy for the Protection of Switzerland Against Cyber Risks – Quarterly Report
On 19 October 2020 the Federal Council's Cyber Committee adopted a report on the advancement of the 2018-2022 national strategy for the protection of Switzerland against cyber risks (2018-2022 NCS) and its gradual implementation. The report focuses mainly on the progress made in supporting small and medium-sized enterprises (SMEs) and promoting research and training. Overall, the report concludes that much progress has been made in the implementation of the 2018-2022 NCS and that, in general, the process is on track. More specifically, the report notes that one-third of the 247 measures under the NCS have been achieved...
Press
Walder Wyss opens new offices in Geneva and Lausanne
As of 1 January 2016, our team has been strengthened by a dozen qualified Swiss lawyers who joined Walder Wyss in our new offices in Geneva and Lausanne. We are excited about this move and welcome our new colleagues. Our new partners in Geneva and Lausanne are Philippe Pulfer, Patrick W. Vogel and Nicolas Iynedjian. The team in Geneva is being strengthened by Olivier Sigg as Counsel, Hubertus Hillerström as Managing Associate as well as Adriano Antonietti, Azadeh Djalili and Laura Luongo as Associates. The team in Lausanne is being strengthened by Alexandre Both as Managing Associate as well as Mathieu Blanc, Alexandra Brenner and Benoît Fischer as Associates...
Walder Wyss Advises in IPO for Minerva's 5.5 Million Shares
Minerva Neurosciences Inc. completed its initial public offering of nearly 5.5 million shares, which began trading on 1 July 2014 on the NASDAQ Global Market under the ticker symbol «NERV». Prior to the IPO, Minerva acquired all shares in Mind-NRG S.A., a Swiss pre-clinical stage pharmaceutical company. Walder Wyss AG has acted as Swiss legal advisor to Minerva. The team was led by Urs P. Gnos (Partner, Corporate/M&A) and included Markus Vischer (Partner, Corporate/M&A), Hubertus Hillerström (Managing Associate, Banking Finance), Fabienne Claudon (Associate, Corporate/M&A), Samuel Lieberherr (Associate, Corporate/M&A), Janine Corti (Associate, Tax) and Manuel B...