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Magnus Hellesylt

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Work Department

Litigation and Dispute resolution


Partner Magnus Hellesylt has special expertise in litigation and dispute resolution, often involving highly complex matters. He is admitted to the Supreme Court.


Partner at Wiersholm, 1989 Joined Wiersholm, Bachke & Helliesen in 1985


Admitted to the Supreme Court, 1998 Cand. jur., University of Oslo, 1985


Dispute resolution

Within: Leading individuals

Magnus Hellesylt - Wiersholm

Within: Dispute resolution

Wiersholm 'handles big lawsuits in an impressive way' for a client roster that includes AIG Europe and IBM; the team acted for the latter in a dispute against the Norwegian Public Roads Administration relating to its cancellation of a contract for the delivery of a new IT solution for toll road payments. Other work includes representing CHC Helikopter Service in two Supreme Court cases relating to the application of seniority in redundancies and a compensation claim relating to a previous judgment relating to its compulsory retirement age, and acting for AF Gruppen Norge in a final account dispute with the municipality of Oslo regarding the construction of an underground water storage facility. Ronny Lund, the 'very skilled' Olav Perland and Christian Hauge jointly lead the group, which also includes public procurement expert Morten Goller and the highly regarded Magnus Hellesylt.

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Intellectual property

Within: Intellectual property

Wiersholm handles the full spectrum of IP issues with notable expertise in the media, retail and technology industries. Key names in the group include broadcast, media and sport sector expert Hans Erik Johnsen, Rune Opdahl, who handles copyright, patent and trade mark issues; and litigator Magnus Hellesylt. Recent highlights include Opdahl acting for Telenor in the Norwegian Appeal Court in a copyright issue relating to access to IP addresses as evidence for copyright infringement, Opdahl and Hellesylt representing PetroMarker in a copyright infringement dispute against ORG Geophysical, and Johnsen defending Orkla in a case in which a competitor alleges that Orkla's marketing campaign breaches the prohibition against unlawful comparative advertisement. Visma, Monster and Schibsted Media are also clients.

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Within: TMT

Recent highlights for¬†Wiersholm's TMT group include acting for Telenor in a Supreme Court dispute relating to subscriber data and illegal file sharing, representing IBM in an IT contract dispute against the Norwegian Public Roads Administration, and advising MBL (the organisation for media enterprises) on issues relating to Norwegian media houses and their ad-tech and data privacy discussions with Google and the Norwegian Data Protection Authority. Key practitioners include¬†Hans Erik Johnsen,¬†Rune Opdahl, who specialises in IT, data protection, media and ecommerce work for clients in the media and technology sectors,¬†Kai Th√łgersen¬†and litigator¬†Magnus Hellesylt. IT and technology contract specialist and senior associate¬†Theresa Schumacher Walberg¬†is also a name to note.

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