Firm Profile > Sigurjónsson & Thor ehf. > Reykjavik, Iceland

Sigurjónsson & Thor ehf.

TMT and IP Tier 1

Led by distinguished European patent attorneys Valborg  Kjartansdóttir and Magnús Haukur Magnússon, Sigurjónsson & Thor ehf.'s IP group is frequently instructed in complex, high-value disputes before the Patent and Trademark Office, where it represents major international and domestic clients contesting registrations and seeking to set aside rejection orders. The team is also active in injunction proceedings in the District Court and domain name disputes, and has further specialism in unfair competition law. Magnús Hrafn Magnússon, who is 'a very skilled and attentive legal adviser', is also a key name to note for IP litigation, with experience representing foreign and domestic trade mark owners.

Practice head(s):


‘We have found the team to be very pro-active and commercially minded. They have quick response times and an in-depth knowledge of the Icelandic legal system. They have identified sensible solutions to some unique and challenging issues that we have faced. You never feel the need to send chasers as they will update you when it is correct to do so, without fail providing practical advice.’

‘The team consists of very skilled lawyers backed up by a strong group of paralegals. They provide excellent advice in both contentious and non-contentious matters.’

‘Magnús Haukur Magnússon is commercially minded and quick to respond.’

Key clients

PepsiCo. Inc.

Novartis AG

Home Box Office

Starbucks Corp.



Hyundai Motor Co.

Mars INC.

Novartis AG

Mattel INC.

Department Name Email Telephone
Litigation Magnús H Magnússon
Litigation Magnús Hrafn Magnússon
Intellectual property Valborg Kjartansdóttir
Intellectual property Magnús Hrafn Magnússon
Competition Valborg Kjartansdóttir
Competition Magnús H Magnússon
Competition Magnús Hrafn Magnússon
Number of lawyers : 3
the Scandinavian languages