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Simonsen Vogt Wiig AS

Jan Magne Langseth

Jan Magne Langseth



  • Compliance and Scrutiny
  • Dispute Resolution and Litigation
  • EU / EEA and Competition
  • Compliance

WSG Practice Industries


WSG Leadership

DealMaker Group
WSG in Europe Group
WSG Main Group
Antitrust Group
Automotive Group
Gaming/ Gambling Group
Public Procurement Group
Shipping Group
Technology, Media & Telecommunications Group
Jan Magne Langseth heads the EU/EEA and Competition practice at Simonsen Vogt Wiig.

He has handled a broad range of competition cases before the Norwegian Competition Authority, the EFTA Surveillance Authority and the European Commission over a period of more than 20 years.

Merger control is a significant part of his practice, and he has been lead counsel in many complex merger cases. He is also one of Norway’s most experienced lawyers handling dawn-raids/investigations, leniency applications, dominance cases, and completion law litigation.

Jan Magne has managed many multi-national competition cases (anti-trust and mergers). He also deals with EU/EEA regulatory issues (free movement of services, capital, and establishment) and state aid, and has represented clients in a large number of cases before the Brussels authorities.

Clients comprise companies in the technology, grocery, retail, airlines, media, telecoms, energy, railway and mobility services, as well as transport sectors, often in cases that are critical to the clients’ business where he helps them make smart decisions.

He is consistently recommended as a leading competition law practitioner in Norway by the European Legal 500 and Chambers. He is ranked as a «global leader» for competition work by Who’s Who Legal/GCR.

Prior to joining private practice he also worked as a legal officer for the EFTA Surveillance Authority (ESA) in Brussels and has pleaded numerous cases before the Luxembourg courts, both in private practice and when working for ESA.

Jan Magne has also advised major corporations in complicated corruption matters.

Selected recent merger control cases:

  • The acquisition of Statoil Fuel & Retail Marine by St1 (marine fuels business)
  • Telia’s takeover of Get/TDC (telecommunications, broadband, and TV-distribution)
  • Baneservice’s acquisition of Norsk Jernbanedrift (railway entrepreneur services)
Areas of Practice

Banking, Finance and Insurance | Compliance | Compliance and Risk | Compliance and Scrutiny | Dispute Resolution and Litigation | EU / EEA and Competition | EU, EEA and Competition Law | EU/EEA and competition law | Marketing Law | Media and Entertainment | Public Procurement | Retail and Groceries | Technology and Telecom


The Transport Sector is Exempted from Norwegian Equivalent to Article 101 TFEU - "Crisis Cartels" in the Wake of the COVID-19 Pandemic
Simonsen Vogt Wiig AS, March 2020

The Norwegian Ministry of Trade, Industry and Fisheries has adopted a new regulation exempting the transport sector from the prohibition in Section 10 of the Norwegian Competition Act; cf. FOR-2020-03-18-340. Section 10 is the national equivalent to Article 101 TFEU and 53 EEA. The new rules are set to apply for three months but may be prolonged or shortened, depending on how the ongoing covid-19 pandemic evolves...

State Aid Rules Open Up for Rescue Packages
Simonsen Vogt Wiig AS, March 2020

Many companies are now in crisis due to the Covid-19 outbreak. The European Commission and EFTA Surveillance Authority, therefore, ease state aid rules. In practice, large parts of the state aid rules and guidelines are now virtually "suspended...

Online Retail Sector Increasingly Targeted by the Competition Authorities
Simonsen Vogt Wiig AS, December 2018

The online retail sector has seen a considerable increase in intervention by the competition authorities both on a national level and in Brussels. Most recently, in December 2018, the European Commission fined the clothing company Guess € 39.8 million for applying online sales and advertising restrictions...

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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