The dispute resolution team at Advokatfirmaet Thommessen AS handles a wide range of commercial disputes, with engagements relating to post-M&A, banking and finance, oil and gas, and professional liability issues. Versatile litigator Kristine Hyldmo Bjørnvik spearheads the team and is well regarded for disputes related to construction, energy and IT projects. Henning Harborg’s practice spans the litigation and arbitration of commercial disputes. The team also includes Eirik W Raanes, whose recent engagements include mandates for Equinor ASA and DAF Trucks, and Nanette Arvesen, a key advisor on climate litigation. Mathilde Rye Ramberg chiefly concentrates on commercial real estate cases.

Legal 500 Editorial commentary

Accolades

Client satisfaction: Sector knowledge

Client satisfaction: NPS ®

Testimonials

Collated independently by Legal 500 research team.

‘Kristine Hyldmo Bjørnvik has been a valuable legal advisor. Key qualities are her in-depth knowledge of the company and industry, as well as her practical experience and cooperative nature.'
‘Lawyers Henrik Møinichen and Alexander A. Stulien stand out for delivering legal advice of exceptionally high quality, combined with a modern and strategic approach to negotiations. They demonstrate a strong awareness of negotiation methodology and have contributed to reducing the level of conflict between parties—facilitating continued collaboration.’
‘Extremely qualified and efficient. Great availability and resourcing. Also very friendly. Great value for money.’
‘I highly recommend Thommessen for dispute resolution. Their team combines impressive market knowledge with a proactive approach, always seeking practical solutions that benefit the client. At the same time they’re candid and direct when circumstances are unfavourable — never hesitating to point out problems while working constructively toward the best outcome.’
‘Good quality reports and advice. Exceptional follow-up on ongoing case, recommendations and best practices. Easy to contact and communicate with.’
‘Henrik Møinichen is a down to earth person that truly understands the problem we are facing. Easy to get a hold of and to discuss potential solutions. He has truly been exceptional in understanding our needs and solving our problems.’

Key clients

Ernst & Young AS
PricewaterhouseCoopers AS
DNB ASA
NIBC Bank N.V
Telenor ASA
Storebrand ASA
Storebrand Facilities AS
Equinor ASA
DNK – The Norwegian Shipowners' Mutual War Risks Association
The Norwegian Ministry of Transport / The Norwegian Public Road Administration (NPRA)
Tondstad Vindpark AS
Mustad Eiendom AS

Work highlights

Represented DNK in an international arbitration regarding a $180m total loss claim after the detention of the VLCC Heroic Idun, where the war risk insurer denied cover, arguing the incident was not a war peril under the Nordic Marine Insurance Plan.

Acted for Tryg Forsikring NUF in a matter against Å Energi ASA regarding the fundamental insurance condition of sudden damage.

Acted for several insurers in a significant case where various funds brought claims in the region of NOK 1.7bn against the former chairman and CEO of Norske Skog ASA, alleging negligence during a 2016 debt restructuring.