The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon

Wikborg Rein

Work +47 22 82 75 00
Fax +47 22 82 75 01
Bergen, London, Oslo, Shanghai, Singapore

Dag Mjaaland

Work (+47) 22 82 76 50
Wikborg Rein

Work Department

Petroleum and Energy, Litigation and Arbitration


Dag Mjaaland is a Partner at Wikborg Rein's Oslo office and is part of the firm's Petroleum and Energy practice. Mjaaland heads Wikborg Rein's Russia team and holds a bachelor degree (Russian as intermediate subject) from the University of Oslo. He has extensive experience from the diplomatic service, most recently as Deputy Director General of the Legal Department of the Ministry of Foreign Affairs. At Wikborg Rein, Mjaaland has for several years assisted Norwegian and international companies within the energy- and petroleum sector, as well as within the fishing industry. He has also advised comprehensively on EU/EEA-related issues as well as on international public law. Over the past years, Mjaaland has focused on issues relating to Natural Gas, and has successfully represented a number of buyers of Natural Gas in international negotiations and international arbitrations.


1999 - Partner, Wikborg Rein, Oslo. 1997-1999 Associate, Wikborg Rein, Oslo. 1983-1997 The Norwegian Ministry of Foreign Affairs, most recently as Deputy Director General, Legal Department. 1980-1982 Assistant Lecturer, Department of Public and International Law, University of Oslo.


Norwegian Bar Association.


1982 Cand. jur., University of Oslo. 1979 Bachelor of Arts (Intermediate subject: Russian), University of Oslo.


Dispute resolution

Within: Dispute resolution

Ola Haugen heads the practice at Wikborg Rein and has 'a prodigious command of the law'; clients also praise 'excellent lawyer' Kaare Andreas Shetelig (who 'does an excellent job'), and Ola Nisja who is 'outstanding both in and out of court and provides superb strategic advice'. Haugen recently acted for the Norwegian Armed Forces in two cases against Avinor relating to the transfer of Bergen and Trondheim airports to Avinor, and Dag Mjaaland represented Naftogaz in two international arbitrations relating to its gas sales contract with Gazprom and a transit contract. Norsk Gjenvinning, Troms Kraft and DNB are also clients. Mads Magnussen joined the group from his position as a District Court judge.

[back to top]

Oil and gas

Within: Oil and gas

At Wikborg Rein, Trond Eilertsen leads the energy, shipping and offshore department, Aadne Haga heads up the petroleum and energy practice, and Tormod Ludvik Nilsen leads the energy and renewables team; other key individuals include Dag Mjaaland and litigator Ola Nisja. Recent highlights include representing Naftogaz in two international arbitrations relating to contractual issues and assisting Transocean with its takeover of Songa Offshore. Panoro Energy, Cosl Drilling Europe, CapeOmega and Petroleum Geo-Services are also clients.

[back to top]

Back to index

Legal Developments by:
Wikborg Rein

  • Changes to the Norwegian prospectus rules

    On 11 May 2012 certain changes to the Norwegian prospectus rules were proposed to the Norwegian parliament to ensure compliance with Directive 2010/73 EU.
    - Wikborg Rein

Legal Developments in Norway

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to