Knud Jacob Knudsen specialises in international arbitration, dispute resolution and construction law.

Knud has extensive experience with dispute resolution concerning construction projects, as well as other commercial disputes. He has argued a large number of court cases, and is admitted to the Supreme Court of Norway.

Knud has also acted as counsel in several national and international arbitration cases, and has argued cases under ICC and SCC rules.

He has in-depth knowledge of the Norwegian standard construction contracts, fabrication contracts and shipbuilding contracts. In addition, Knud has considerable experience with partnering contracts, target price contracts and other forms of joint ventures.

Knud emphasizes being available to his clients and following up all his cases closely. He provides clear and balanced advice, which is legally well founded and takes into account the client’s commercial interests.

He is regarded as a leading lawyer within construction law in Norway by both Chambers and Legal 500.


Work Experience

2022 - (today) Partner, Advokatfirmaet Simonsen Vogt Wiig
2017 - 2022 Partner, Arntzen de Besche Advokatfirma AS
2011 - 2016 Partner, Advokatfirma DLA Piper Norway DA
2008 - 2011 Senior associate, Advokatfirma DLA Piper Norway DA
2007 - 2008 Lawyer, Advokatfirmaet Mageli ANS
2006 - 2007 Senior associate, Advokatfirma DLA Piper Norway DA
2005 - 2006 Law clerk, The Supreme court
1997 - 2005 Lawyer/junior associate, Advokatfirma Lindh Stabell Horten DA


1990 - 1996 Cand. Jur., University of Bergen


2017 - 2019 Board member, Arntzen de Besche Advokatfirma AS
2006 - 2018 Member of civil procedure commitee at Legal Education Center (JUS)


Procedual errors in a busy lawyers' day/Prosessuelle feil i en travel advokathverdag Knudsen, K. J., Lov og rett, 7/2007
The significance of breach of the procedural rules in the Limited Laibility Companies Act/Betydningen av brudd på aksjelovens saksbehandlingsregler Knudsen, K. J., Nordisk Tidsskrift for Selskapsrett, 2/2004
Practical due diligence/Praktisk gjennomføring av due diligence Knudsen, K. J., Tidsskrift for forretningsjus, 1/2000
Share buy-backs/Erverv av egne aksjer Knudsen, K. J., Tidsskrift for forretningsjus, 1/1999