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.
Offices
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
Alain Alberini
Partner
Roger Ammann
Partner
Adriano Antonietti
Partner
Marion Bähler
Partner
David Borer
Partner
Alexandre Both
Partner
Marius Breier
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
Hans-Jakob Diem
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
Pascale Köster
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
Aude Peyrot
Partner
Vincent Pfammatter
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

Julia Aeschbacher
Associate
Fabian Akeret
Senior Associate
Roxane Allot
Managing Associate
Fabian Altmann
Associate
Kerstin Arnesson
Senior Associate
Maël Azokly
Associate
Natassia Bangerter
Associate
Frédéric Barth
Associate
Luca Belloni
Associate
Dimitrios Berger
Managing Associate
Nico Bernhard
Managing Associate
Matteo Berti
Associate
Julia Bhend
Managing Associate
Manuel Bigler
Managing Associate
Nicolas Bopp
Associate
Lia Börlin
Associate
Paul Brasey
Associate
Michelle Bruni
Managing Associate
Lisa Brunner
Associate
Loïc Bujard
Associate
Christoph Burckhardt
Associate
Valerio Caccia
Managing Associate
Anne-Catherine Cardinaux
Senior Associate
Amina Chammah
Associate
Viktoriya Chernaya
Associate
Louis Christe
Senior Associate
Nicole Cleis
Managing Associate
David Cuendet
Senior Associate
Alfio Decristophoris
Senior Associate
Marius Denoth
Associate
Lisa Di Biase
Associate
Remo Di Marco
Associate
Angela Diener
Senior Associate
Angela Diener
Senior Associate
Joffrey Dobosz
Senior Associate
Alex Domeniconi
Managing Associate
Giulio Donati
Associate
Bertrand Donzé
Senior Associate
Agnès Dubey
Associate
Stephanie Eggimann
Senior Associate
Lydia Eichenberger
Associate
Valentina Eichin
Associate
Anaïs Essinger
Associate
Lukas Fellmann
Managing Associate
Daniel Ferreira Colaço
Associate
Manu Ferro
Senior Associate
Sonya Figueredo
Managing Associate
Ramona Fischer
Senior Associate
Flora V Francioli
Senior Associate
Valentin Freiermuth
Associate
Dario Galli
Managing Associate
Drilon Gashi
Associate
Anaëlle Genoud
Senior Associate
Lea Germann
Associate
Pamela Giampietro
Senior Associate
Dario Glauser
Associate
Lena Götzinger
Senior Associate
Ursina Gremminger
Managing Associate
Tabea Gutmann
Senior Associate
Gabrielle Guye
Senior Associate
Christian Hagen
Managing Associate
Gustaf Heintz
Associate
Simon Henseler
Associate
Lucina Herzog
Associate
Andreas Hösli
Senior Associate
Daniela Hottiger
Associate
Tina Hurni
Senior Associate
Florian Iten
Associate
Mirella Janett
Associate
Melanija Jovanovic
Associate
Vangelis Kalaitzidakis
Senior Associate
Tiffany Kärle
Associate
Michael Kissling
Senior Associate
Martin Klingler
Senior Associate
Jonas Knechtli
Managing Associate
Philippe Kohler
Managing Associate
Sandrine Kreiner
Managing Associate
Kathryn Kruglak
Senior Associate
Michael Kündig
Managing Associate
Sabrina Kunz
Associate
Nadia H Kuzniar
Associate
Annemarie Lagger
Managing Associate
Erik Lanz
Associate
Julia Lehner
Senior Associate
Benedict H Leupold
Associate
Nadja D Leuthardt
Senior Associate
Annina Lippuner
Associate
Matthias Lötscher
Managing Associate
Michael Lysakowski
Associate
Martina Madonna-Quadri
Senior Associate
Alma Marchand
Associate
Lucas Maurer
Associate
Anna Mentzer
Associate
Hannes Meyle
Senior Associate
Bojan Momic
Senior Associate
Yannick A Moser
Managing Associate
Michael Müller-Zhang
Associate
Gillian Nassisi
Associate
Sanela Ninkovic-Jakob
Senior Associate
Naomi Noël
Associate
Timon Nydegger
Managing Associate
Mirjam Olah
Senior Associate
Simon Olstein
Associate
Angelina Pellegrini
Associate
Patricia Pinto
Senior Associate
Katja Rauber
Associate
Sara Razgallah
Senior Associate
Hugh Reeves
Managing Associate
Benjamin Reis
Associate
Kento Reutimann
Associate
Chloé Ricci
Associate
Natascha Rizzi
Senior Associate
Katharina C Röhl
Associate
Florian Roth
Managing Associate
Caroline Sauthier
Senior Associate
Isabell Schellhas
Associate
Letizia Schlegel
Associate
Christian A Schmid
Senior Associate
Laurent Schmidt
Senior Associate
Valentine Schnyder
Senior Associate
Albane Selimi
Senior Associate
Matthieu Seydoux
Associate
Michelle Sollberger
Associate
Benjamin Sommerhalder
Associate
Carmen Spichiger
Senior Associate
Céline Squaratti
Senior Associate
Marina Srienz
Associate
Johannes Stamm
Associate
Gian Sulser
Associate
Laura Tarenzi
Senior Associate
Chloé Terrapon Chassot
Managing Associate
Tamara Teuscher
Associate
Quentin Thorens
Associate
Naomi Toren
Associate
Tizian Troxler
Associate
Karina Tschon
Managing Associate
Felix Tuchschmid
Associate
Olivier van den Brand
Associate
Sarah Vettiger
Senior Associate
Mattia Vidoz
Senior Associate
Jenny von Arx
Associate
Alain von Wattenwyl
Senior Associate
Alice Vorburger
Managing Associate
Celine Weber
Managing Associate
Frederik Weber
Associate
Yannick Weber
Associate
Oerjan Wickart
Associate
Valentin Wiesner
Managing Associate
Steven Winter
Associate
Dzevrije Zendeli
Managing Associate
Sabrina Zimmermann
Managing Associate
Mathieu Zufferey
Senior Associate
Laura Zürcher
AssociateOf Counsel

Dominik Aerni
Counsel
Adrien Alberini
Counsel
Fabienne Anner
Counsel
Sylvia Anthamatten
Counsel
Peter Bürkli
Counsel
Janine Corti
Counsel
Daniel Dedeyan
Counsel
Iliana Djagova
Counsel
Marco Galli
Counsel
Téo Genecand
Counsel
Gion Giger
Counsel
Christine Glättli
Counsel
Caroline L Goette
Counsel
Kathrin Häcki
Counsel
Andrea Haefeli
Counsel
Urs Hofer
Counsel
Johannes Landbrecht
Counsel
Samuel Lieberherr
Counsel
Fabian Looser
Counsel
Laura Luongo
Counsel
Jan Ole Luuk
Counsel
Joy Malka
Counsel
Elisabeth Moskric
Counsel
Stéphanie Oneyser
Counsel
Sophie Püschel-Arnold
Counsel
Emilia Rebetez
Counsel
Urs Schenker
Counsel
Markus Schülin
Counsel
Marco Stacher
Counsel
Tervel Stoyanov
Counsel
Peter Straub
Counsel
Benjamin Suter
Counsel
Béatrice Viertl Bujard
Counsel
Stefan Walder
CounselOther

Thierry Irrthum
Tax Compliance Manager
Stina Rispoli
Marketing
Daniela Schaefle
Marketing
Samantha Thomann Brand
Senior Immigration ManagerArticles
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
Swixx Biopharma Acquires Biopas to Enter Latin America
28 June 2024 –Swixx Biopharma AG, a global commercial platform dedicated to unlocking access to innovative medicines worldwide, completed the acquisition of Pharma Consulting Group S.A. and its subsidiary Laboratorios Biopas SA (Biopas) as strategic expansion into Latin America. Biopas is a leading pharmaceutical company in Latin America, specializing in the in-licensing, marketing, and sale of pharmaceutical products. With operational headquarters in Bogota, Colombia, Biopas is one of Latin America’s leading independent marketing and distribution companies for international biopharmaceutical firms...
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...