Jan B. Jansen

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Name: Jan B. Jansen
Title: Attorney at law
Nationality: Norwegian
Residence: Oslo
Telephone: +47 21 00 00 50
Languages: Norwegian, English
Professional Licenses: Admitted to the Norwegian Bar, Admitted to the Norwegian Supreme Court (1997)
Academic degrees: Cand.jur. University of Oslo (1984)
Firm Name: Advokatfirmaet BA-HR DA
Firm Address: P.O.Box 1524 Vika, 0117 Oslo
Firm Country: Norway
Firm Phone: +47 21 00 00 50
Firm Email:
Firm Website:
General Arbitration Experience

Mr. Jansen has served in several arbitration tribunals in Norway. He specializes in arbitration within the oil and energy sector and general contract disputes as well as insurance. He also specializes within oil and energy regulatory and contract law, tax and insurance.

Association of International Petroleum Negotiators (AIPN)

Work history

Partner Advokatfirmaet BA-HR DA from 2010

Partner Arntzen, Underland & Co, Arntzen de Besche, 1989 - 2010

Associate/lawyer Arntzen, Underland & Co, 1986 - 1989

Legal advisor The Ministry of Finance, the Tax Law Department, 1984 - 1986

Oil, Gas and Energy Contract Law

A number of arbitrations related to JOA disputes.

Arbitration on removal obligations and disputes on redetermination.

Public Law Regulations, Concessions and Tariffs

Disputes on third party access and tariffs.

Insurance, Finance and Maritime Law

A number of transactions re sale of assets.

A number of transactions and arbitration re license interests.

Co-author together with Andreas Arntzen of book on insurance law (1993).
Chapter on professional indemnity for lawyers in publication covering the legal profession (2002).
Co-author with Joachim M. Bjerke of Norwegian Petroleum Taxation, an introduction (2012).
Co-author with Sam E. Harris of chapter on Norway in publication on Dispute Resolution (2013).
Teacher in Petroleum Law program at the University of Oslo.
Regular speaker in petroleum tax law conferences.