Ms Anne Marie Sejersted > Wiersholm > Oslo, Norway > Lawyer Profile

0115 OSLO

Work Department

Intellectual Property, Litigation and Dispute resolution, Contract law, Media and Marketing law.


Anne Marie works primarily with intellectual property rights (IPR) and dispute resolution in this area. She has specialist qualifications in patents, trademark law, design, copyright, protection of trade secrets and know-how as well as marketing law.


Partner, Wiersholm, 2021

Partner, Kvale, 2016

Partner, Haavind, 2008

Managing Associate, Haavind, 2002

In-house Lawyer, NRK, 2000

Deputy Judge, Eidsvoll District Court, 1995

Senior Associate, Vislie, Ødegaard & Kolrud, 1994


Cand. Jur., University of Oslo, 1993

Lawyer Rankings

Norway > TMT

The ‘service-minded and client-focused‘ TMT team at Wiersholm attracts praise for its ‘strong legal knowledge and great commercial and business/industry understanding‘. The group acts for a client base that includes prominent media, telecoms, and technology companies, on big data work, TMT-related M&A mandates, TV distribution issues, IT public procurement and contractual matters and GDPR issues. Hans Erik Johnsenstands out with his deep knowledge of the TV/media sector‘; he heads up the department alongside Kai Thøgersen, who is highly regarded for his M&A expertise; Rune Opdahl, whose practice focuses on data protection, marketing law, IT and contract law; and IP expert Anne Marie Sejersted. Managing associate Theresa Schumacher Walberg counts digitalisation and technology contracts as key areas of strength.

Norway > Intellectual property

(Leading individuals)

Anne Marie Sejersted – Wiersholm

The ‘always available and client-focused‘ team at Wiersholm garners praise for its ‘deep knowledge of laws and practices of IP in Norway and internationally‘. The practice stands out for its expertise across the spectrum of IP matters, and regularly acts as counsel to a client base of companies from the retail, media, fishery, offshore, oil services, IT, pharmaceuticals and renewable energy industries. Hans Erik Johnsen has ‘deep knowledge of the TV/media sector‘; he shares leadership of the department with Rune Opdahl, who focuses on handling advisory and contentious copyright, patent and trade mark work for pharmaceuticals, technology, retail and media clients, and Anne Marie Sejersted, who stands out for her ‘deep legal insight and valuable tactical input‘. Senior associate Dina Brask and associate Fride Hedin are further key names.

Norway > Dispute resolution

The ‘professionally qualified and service minded’ team at Wiersholm is jointly led by highly regarded mediator Ronny Lund, corporate and financial litigation expert Olav Perland, and ‘brilliant legal mindChristian Hauge. The group’s recent caseload includes large-scale liability disputes from across a range of sectors. Magnus Hellesylt provides ‘sharp, relevant and always pragmatic‘ advice, Stephan Jervell is well regarded for his expertise in international arbitration, and firm managing partner Morten Goller focuses on litigation pertaining to tax, public procurement, construction, competition and contract law. Thomas G Naalsund is ‘a superb and robust negotiator‘. Anne Marie Sejersted joined the team from Kvale Advokatfirma DA in mid-2021.