About

Provided by Advokatfirmaet Thommessen AS

Thommessen is a leading firm within the field of EU/EEA and competition law in Norway. We assist Norwegian and foreign companies with merger control processes, investigations, appeals and litigation proceedings and provide ongoing advice related to competition law, state aid law and other EEA law.

Since the EEA Agreement was signed in 1992, our lawyers have played an active role in the development of both EU/EEA law and Norwegian competition law. We were involved in drafting the legislation and have assisted Norwegian and foreign clients in an impressive of major and landmark cases – including as counsel before Norwegian courts, the Competition Appeals Board, the EFTA Court and the European Court of Justice.

We have been involved in most major cases within this area of law in Norway – from complex merger cases to possible violations of competition rules. Several of the cases have left significant footprints in judicial development and have been of great financial and commercial significance for our clients.

With this as a basis, we assist in transactions, contract negotiations and other commercial project work, in dispute resolution and in major investigations within a wide range of industries. We strive at being a constructive, solution-oriented and accessible partner.

Thommessen is generally recognised as having one of the country's top teams of specialists, and we have for many years been ranked in the top tier of independent surveys. 

Chambers Review

Provided by Chambers
Competition/Antitrust - Norway
1
Band 1
What the team is known for

Advokatfirmaet Thommessen maintains its position as one of the top competition law firms in Norway. The team is highly esteemed for its work before the Norwegian Competition Authority (NCA), representing clients in behavioural investigations and market inquiries. In addition, it assists clients with challenges to significant authority decisions before the Supreme Court and with high-profile follow-on damages actions. The law firm also offers notable activity in merger clearance notifications. Team members have experience in both contentious and non-contentious public procurement mandates, often in the healthcare and transportation sectors.

Work Highlights

Provided by Advokatfirmaet Thommessen AS
  • Advokatfirmaet Thommessen represented Gyldendal in a challenge to a fine imposed by the NCA following an investigation into an alleged cartel in the publishing industry.

Strengths

Provided by Chambers

Notable Practitioners

Provided by Chambers
Siri Teigum
1
Siri Teigum
1
Band 1

Siri Teigum remains one of the leading competition law experts in Norway on the back of his strong behavioural practice. She has notable experience representing clients in NCA investigations, as well as in challenges to decisions or compliance with remedies. She is also highly regarded for her ability to act in high-profile follow-on damages actions.

"She is very sharp and a strong strategic adviser."

"Siri Teigum is outstanding within competition law."

"She is known as the best in Norway."

"She always gives strong advice and good responsiveness."

Eivind Vesterkjær
2
Eivind Vesterkjær
2
Band 2

Eivind Vesterkjær regularly advises clients on merger control filings. He has further experience in NCA investigations and competition law compliance matters.

"We benefit a lot from his experience."

"He has an in-depth knowledge of our business, and is efficient and delivers on time."

"He is a very good commercial lawyer who is good at dealing with clients, authorities and counterparties."

Eivind Sæveraas
4
Eivind Sæveraas
4
Band 4

Eivind Sæveraas represents clients in investigations into allegations of exchanges of information.

"He is an excellent competition lawyer."

Heidi Jorkjend
U
Heidi Jorkjend
Head of Competition/Antitrust
U
Up and Coming

Heidi Jorkjend enters the rankings this year on the back of positive feedback and her work advising clients on merger clearance notifications.

"She is talented."

"She provides the highest level of legal expertise, an astonishing overview of relevant case law and extraordinary work capacity."

Wenche Sædal
U
Wenche Sædal
U
Up and Coming

Wenche Sædal frequently acts for contracting authorities on public procurement disputes. She additionally advises bidders on preparing tender documents. She has a number of clients from the transport and healthcare industries.

"She's very competent within her area of expertise and is very easy to get in touch with."

Ranked Lawyers at
Advokatfirmaet Thommessen AS

Provided by Chambers
Filter by
Band

Norway

Competition/Antitrust

Siri Teigum
1
Siri Teigum
1
Band 1
Eivind Vesterkjær
2
Eivind Vesterkjær
2
Band 2
Eivind Sæveraas
4
Eivind Sæveraas
4
Band 4
Heidi Jorkjend
U
Heidi Jorkjend
Head of Competition/Antitrust
U
Up and Coming
Competition/Antitrust: Public Procurement

Wenche Sædal
U
Wenche Sædal
U
Up and Coming

Members

Provided by Advokatfirmaet Thommessen AS

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Provided by Advokatfirmaet Thommessen AS

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