Home / People / Dr Patrick Sommer
Portrait of Patrick Sommer

Dr Patrick Sommer, H.E.E.

Partner

CMS von Erlach Partners Ltd
Dreikönigstrasse 7
P.O. Box
8022 Zurich
Switzerland
Languages German, English, French

Patrick Sommer focuses on competition law, corporate law and M&A.

Patrick Sommer has graduated from the University of St.Gallen in 1987 and was admitted to the bar in 1989. He has written his doctoral thesis on the relationship of Switzerland to the European Union and completed postgraduate studies at the Collège d’Europe in Brugues with the H.E.E. diploma. He then worked for seven years in the legal department of a Swiss multinational group where he has been promoted to the offices of General Counsel and Secretary of the Board of Directors.

In 2000 Patrick Sommer joined our firm and is a partner since 2002.

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"Patrick Sommer is the head of department and his areas of expertise include conducting audits and the implementation of compliance programmes. He represented Bayer in proceedings surrounding price recommendations for over-the-counter pharmaceuticals."

Chambers and Partners Europe 2016, Switzerland, Competition/Antitrust

"The ‘very professional’ team at CMS provides ‘client-focused advice in a down-to-earth-manner’. Recent work includes representing Rabobank in the Competition Commission investigation regarding alleged collusion to influence the reference rates Libor, Tibor and Euribor. Patrick Sommer heads the ‘very good’ practice."

The Legal 500, Competition, Switzerland, 2016

"Interviewees describe department head Patrick Sommer as an "absolutely excellent lawyer who is very well known in Swiss competition law," adding: "He has a great understanding of business and is known for his pragmatic approach." He recently advised on the Swiss competition authority's investigation into the pharmaceuticals market."

Chambers and Partners, Competition/Antitrust, Switzerland, 2014

Memberships & Roles

  • Zürcher und Schweizerischer Anwaltsverband
  • Studienvereinigung Kartellrecht
  • International advisory board of the “St. Galler Internationales Kartellrechtsforum”
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Awards & Rankings

  • Chambers and Partners | Competition/Antitrust, Switzerland, 2021 | Europe | Band 3
  • IFLR 1000 | M&A, Switzerland, 2021 | Notable Practitioner
  • Who's Who Legal | Competition, Switzerland, 2021 | National Leader
  • Leaders League | Dispute Resolution - Competition Law & Antitrust, Switzerland, 2021 | Excellent
  • Leaders League | Healthcare, Pharmaceuticals & Biotech | Life Sciences, Switzerland, 2021 | Leading
  • Leaders League | Competition Litigation, Switzerland, 2021 | Excellent
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Publications

  • Welche Zielsetzungen sind mit einer rechtlichen Due Diligence verbunden?, Oaklins Switzerland, M&A im Verwaltungsrat, June 2021
  • Switzerland introduces the concept of relative market power and restricts geoblocking, CMS Law-Now, 22 March 2021 (co-authors: Marquard Christen, Fabian Martens, Hadi Mirzai)
  • Mit der Technologie Schritt halten - Neue Zürcher Zeitung, Recht und Gesellschaft, 21 Oktober 2019
  • Competition Commission fines sanitary products wholesalers for price fixing, Competition & Antitrust, International Law Office, 10/2015
  • The Merger Control Review - Switzerland Chapter, sixth edition, 2015 (with Dr Pascal G. Favre)
  • Bilateral cooperation agreement with European Union takes effect, Competition & Antitrust, International Law Office, 06/2015
  • 2012 Antitrust Year in Review, Chapter Switzerland, 04/2013
  • 2011 Antitrust Year in Review, Chapter Switzerland, 04/2012
  • CMS Newsletter Internethandel, 06/2011 2010 Antitrust Year in Review, Chapter Switzerland, 04/2011
  • CMS Newsletter re Horizontals/Information Exchange, 02/2011
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Education

1989 - Bar admission
1987 - Law studies at the University of St. Gallen 

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13/02/2018
Our Swiss Com­pet­i­tion Team – Highly re­com­men­ded in the 18th edi­tion of...
We are proud to an­nounce that our com­pet­i­tion team un­der head Patrick Som­mer and part­ners Marquard Christen, Stefan Brunnsch­weiler, Pas­cal Favre and Alain Raemy is highly re­com­men­ded by Glob­al Com­pet­i­tion...

Feed

17/09/2021
Vac­cine com­pens­a­tion re­gimes in Switzer­land
1. Are COV­ID-19 vac­cin­a­tions ob­lig­at­ory in your jur­is­dic­tion? Are you ex­pect­ing any le­gis­lat­ive changes to en­able man­dat­ory vac­cines for all or cer­tain people (e.g. health­care pro­fes­sion­als, pub­lic ser­vants...
Comparable
30/07/2021
Plastics and pack­aging laws in Switzer­land
1. What is the gen­er­al le­gis­lat­ive frame­work reg­u­lat­ing pack­aging and plastic waste in your jur­is­dic­tion? Plastic waste and pack­aging is only scarcely reg­u­lated in Switzer­land. The Fed­er­al Coun­cil...
Comparable
27/04/2021
The Fed­er­al Su­preme Court's judg­ment in the mat­ter "Hors-Liste Medika­mente...
On 21 April 2021, the Fed­er­al Su­preme Court pub­lished a judg­ment against Pf­izer re­gard­ing the sanc­tion or­der of the Com­pet­i­tion Com­mis­sion (COMCO) in the mat­ter Hors-Liste Medika­mente (Pre­isem­p­fehlun­gen)...
14/04/2021
CMS Switzer­land ranked by The Leg­al 500
Rank­ings of CMS Switzer­land in The Leg­al 500 EMEA 2021 edi­tion CMS Switzer­land is re­com­men­ded in 18 cat­egor­ies in this year's Europe, Middle East and Africa edi­tion of The Leg­al 500, pub­lished in April...
22/03/2021
Switzer­land in­tro­duces the concept of re­l­at­ive mar­ket power and re­stricts...
On Fri­day, 19 March 2021, the Swiss par­lia­ment ad­op­ted in its fi­nal vote the amended par­lia­ment­ary counter-pro­pos­al to the pop­u­lar ini­ti­at­ive "Stop the high price is­land - for fair prices". This counter-pro­pos­al...
18/03/2021
CMS Switzer­land ranked in Cham­bers and Part­ners Europe Guide 2021
We are de­lighted to an­nounce that 13 of our law­yers across 9 prac­tice areas are re­com­men­ded in the Cham­bers and Part­ners Europe Guide 2021. The fol­low­ing law­yers from our of­fices in Zurich and Geneva...
24/11/2020
Glob­al Di­git­al Health Fest­iv­al - Vir­tu­al: Di­git­al trends trans­form­ing HealthTech
Join us for our in­aug­ur­al Glob­al Di­git­al Health Fest­iv­al - Vir­tu­al from 23-26 Novem­ber.   Day 1: Is AI still the fu­ture of health­care? No, it’s the present. But can we keep up with it?Con­sid­er­a­tion...
11/09/2020
CMS ad­vised the own­er of Ak­tiengesell­schaft Ernst Hablützel + Co. on the...
After many years of op­er­at­ing the fam­ily busi­ness in the fourth gen­er­a­tion, the own­er of Ak­tiengesell­schaft Ernst Hablützel + Co., has de­cided to ar­range his suc­ces­sion in time and thus se­cure the long-term...
28/08/2020
Life Sci­ences & Health­care Prac­tice Group Switzer­land
Your spe­cial­ists in the field of Life Sci­ences & Health­care Our Life Sci­ences & Health­care team con­sists of spe­cial­ised at­tor­neys who will ad­vise and rep­res­ent you in all leg­al mat­ters com­pet­ently and...
13/07/2020
An­ti­trust law and le­gis­la­tion in Switzer­land dur­ing Cov­id-19
1. In­tro­duc­tion The COV­ID-19 crisis af­fects the eco­nomy, chal­lenges tra­di­tion­al busi­ness pat­terns and al­ters the flow of goods, ser­vices and funds. This ex­cep­tion­al busi­ness en­vir­on­ment also raises cer­tain...
Comparable
15/04/2020
New rank­ings from "The Leg­al 500" for CMS Switzer­land
New rank­ings from "The Leg­al 500" for CMS Switzer­land CMS Switzer­land is be­ing re­com­men­ded in 16 cat­egor­ies in this year's edi­tion of The Leg­al 500, pub­lished in April 2020. We are par­tic­u­larly pleased...
12/03/2020
Top-Rank­ings for CMS Switzer­land by Cham­bers and Part­ners
Top rank­ings for CMS Switzer­land by Cham­bers and Part­ners CMS Switzer­land is de­lighted to an­nounce that 14 law­yers across 10 prac­tice areas have been re­com­men­ded in the 2020 edi­tion of Cham­bers and...