Gion Giger

Gion Giger

Dr. iur., LL.M., Attorney at Law




Direct phone: +41 58 658 56 18

Curriculum Vitae

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Gion Giger is counsel in the Antitrust and Competition Team. His preferred areas of practice include competition law, distribution law, contract and commercial law. In particular, he advises on legal issues at the interface of sector-specific regulation and competition law. Gion Giger represents undertakings before competition authorities and courts, and assists them in complex merger filings.

Born in 1975, Gion Giger was educated at the University of Berne (lic. iur. 1999), the University of Zurich (Dr. iur. 2003) and the King’s College London (LL.M. in Competition Law 2009). He has working experience as a research assistant at the Universities of Berne and Zurich, as a trainee with Walder Wyss and as a law clerk at the District Court of Horgen.

Gion Giger speaks German, English, French, Italian and Romansh. He is registered with the Zurich Bar Registry and admitted to practice in all Switzerland.

ABB acquires Sevensense Robotics

Axalta Coating Systems Group acquires André Koch AG

ITS Kanal Services AG acquires Restclean AG

Datacolor acquires matchmycolor

DSM and Firmenich have completed their EUR 35 bn merger, becoming the leading creation and innovation partner in nutrition, beauty and well-being

TX Group to acquire Clear Channel Switzerland

Bouygues announces sale of Helion to AMAG Group

ELSA intends to acquire a stake in aaremilch

DSM and Firmenich to merge in EUR 42bn transaction, becoming the leading creation and innovation partner in nutrition, beauty and well-being

TX Group AG acquires Immowelt Switzerland

OneMed has entered into an agreement to acquire a majority share in SMEDICO AG

Dovista purchases Arbonia’s Windows Division

Promotions at Walder Wyss

Groupe Mutuel acquires majority participation in the insurance broker Neosana

COMCO approves investment in SBB Cargo

Avaloq acquires Derivative Partners, a Zurich-based Service Specialist for Structured Products

GrandVision acquires McOptic

COMCO approves Gateway Basel Nord

Sharp Corporation to acquire Skytec UMC Ltd.

Who’s Who Legal names three Walder Wyss lawyers in its 2018 competition law survey

Integer to Divest Advanced Surgical and Orthopedics Product Lines to MedPlast

Tamedia is taking over the «Basler Zeitung»

Georg Fischer to acquire Swiss precision casting manufacturer Precicast Industrial Holding SA

Migros subsidiary Saviva sells Cash+Carry Angehrn

CryoLife acquires JOTEC

Mercury acquires CES

WerbeWeischer acquires Cinecom from Publicitas

ING sells Designer Outlet Landquart

Migros acquires Lüchinger+Schmid-Group

Vodafone acquires Cobra

GF acquires Liechti Group


Stryker Corporation acquires BERCHTOLD Group

Behrman Capital acquires JetSolutions SA

Mövenpick sells Swiss concession gastronomy to Coop

Husky to acquire Schöttli Group

Tamedia AG and Ringier AG acquire 100% (50% each) in holding ag from Tiger Global Investment Partners and further shareholders.

Sale of Almatec to the Knill Group

Sale of Plancal Group in auction process

Merger Control


Doing Business in Switzerland – A Practical Guide

Commentary on articles 12-15 of the Swiss Cartel Act

Doing Business in Switzerland – A Practical Guide

Article 7 Cartel Act as an endangerment offence

Distribution antitrust law for food and consumer goods

Proposal for a solution of case IV

§ 8 Impediments to performance (Articles 97-109 and 119 CO) and § 14 Conditions (Articles 151-157 CO)

Stringent requirements for justification

Franchising in Switzerland

International Franchise Handbook, 2nd Edition

Swiss Federal Administrative Court confirms the Competition Commission's decision in the "Nikon" matter

Competition law from a lawyer"s perspective

Chapter on Switzerland

Interrogations in competition proceedings

The ordinary mandate (Commentary on articles 394–406 of the Swiss Code of Obligations)

Swiss Federal Administrative Court sets aside COMCO"s decision with respect to Altimum SA («mountaineering articles»)

Competition law from a lawyer"s perspective

Interrogations by the Secretariat, in particular with respect to dawn raids

Chapter on Switzerland

International Franchise Handbook, 1st Edition, Country Report on Switzerland

§ 8 Defaults (art. 97–109 and 119 Swiss Code of Obligations) and § 14 Conditions (art. 151–157 Swiss Code of Obligations)

Proposal for a solution of case IV

Chapter on Switzerland

The ordinary mandate (Commentary to articles 394–406 of the Swiss Code of Obligations)

Termination of an after sales agreement for motor vehicles. Remarks concerning the Federal Supreme Court"s decision of 6 September 2011, 4A_101/20011

«Jovani», Decision of the Commercial Court of Zurich from 17 May 2010 – A ban of direct sales by the supplier is lawful from an antitrust perspective

Recent developments in competition law in the fields of abuse of a dominant position and merger control

Vertical Agreements: Recent Developments in Swiss and European Competition Law

The new European Block Exemption Regulation for Vertical Agreements

Commentary to articles 12–17 of the Swiss Cartel Act

The ordinary mandate (Commentary to articles 394 - 406 of the Swiss Code of Obligations)

How to ensure a good Corporate Governance – in special consideration of the contribution of the Registrar of Commerce

Liability of Lawyers for Third Party Legal Opinions

Corporate Governance as a new element in the Swiss stock company law

Is the Swiss stock company law effectual with regard to contemporary Corporate Governance?