Mr Tron Dalheim > Advokatfirmaet Thommessen AS > Oslo, Norway > Lawyer Profile

Advokatfirmaet Thommessen AS
Ruseløkkveien 38, 0251 Oslo
PO Box 1484 Vika
NO-0116 Oslo

Work Department

Employment, Compliance and investigation, Dispute resolution


Tron is a recognized employment law adviser to Norwegian and international companies. He has litigated a number of cases concerning labour law and pensions and is admitted to the bar of the Supreme Court. Tron is also the author of the Norwegian Law Commentary on the Working Environment Act and he has written a book on Seamen’s Law. He has experience from several industries, including oil and offshore, shipping and aviation. Recently, Tron has worked with restructuring processes, litigation and conflict management within the field of labor law. He was appointed as an expert member of the whistle blowing committee.


2019- Partner, Oslo office, Thommessen;
2019-2006 Partner, Arntzen de Besche;
2006-2002 Attorney, Arntzen de Besche;
2001-2000 Legal advisor, The Norwegian Supreme court;
2002-1997 Attorney, The Norwegian Shipowner’s association;
1997-1996 Legal advisor, Judge Advocate General


Norwehgian, English


Norwegian Bar Association


1990-1996 Candidate in Jurisprudence, University of Bergen

Lawyer Rankings

Norway > Employment

(Hall of Fame)

Tron Dalheim Advokatfirmaet Thommessen AS

Advokatfirmaet Thommessen AS fields a broad employment practice with particular strength in litigation, investigations and large transfers of business transactions, particularly in the oil and energy sectors. The ‘very skilled’ team possesses in-depth knowledge of compensation and benefits issues, pensions, strikes and collective agreements. Practice head Stein Kimsås-Otterbech is an experienced litigator and is renowned for his advice involving changes in senior management and transfers of undertakings. The group also includes Tron Dalheim, who is a skillful litigator in the oil, energy and aviation sectors; Håkon Berge, an expert in dispute resolution and litigation; and Anders Sundsdal, who focuses on litigation, redundancy processes and transactions. Trine Vabø is also recommended for her ‘excellent legal opinions’ in all areas of employment law, especially within the energy and renewables sectors.