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Erik Thyness (thyness-erik)    Edit Member    All Members

General Arbitration Experience

Broad practice with emphasis on both corporate and dispute resolution.

Advisor on a substantial number of the most important transactions in the Norwegian market over three decades, including the demerger of Hafslund Nycomed, the merger of Nycomed and Amersham, the establishment and IPO of Yara, the merger of Statoil and Norsk Hydro's oil and gas business, the establishment, IPO and subsequent sale of Statoil Fuel & Retain, the establishment of Sapa and Schibsted's joint ventures with Telenor, Singapore Press Holdings and Naspers.

Litigation practice within a wide range of corporate, contractual and tax matters.

Broad experience from ad hoc as well as institutional arbitration, both as an arbitrator and as counsel.

Name: Erik Thyness
Nationality: Norwegian
Residence: Oslo
Telephone: +47 90 61 09 60
Bar Admission:
Languages: Norwegian, English, French, Italian
Professional Licenses: Admitted to the Supreme Court of Norway
Firm Name: Lawfirm Wiersholm AS
Firm Address: P.O.Box 1400 Vika, 0115 Oslo
Firm Country: Norway
Firm Phone: +47 210 210 00
Firm Website:
Work history

Partner Lawfirm Wiersholm AS from 1996. (Managing Partner 2006 - 2012.)

General Counsel Hafslund Nycomed, 1993 - 1996.

In-house lawyer Norsk Hydro ASA, 1990 - 1993.

Associate judge Sør-Gudbrandsdal District Court, 1989 - 1990.

In-house lawyer Norsk Hydro ASA, 1988 - 1989.

Oil, Gas and Energy Contract Law
Public Law Regulations, Concessions and Tariffs
Construction and Oil-service Law
Insurance, Finance and Maritime Law
Corporate Transactions and Investor Disputes