Sigurjónsson & Thor is a law firm specialized in Intellectual Property and Unfair competition.

The firm has roots in legal practice since the early fortiesValborg Kjartansdóttir joined as lawyer in 1985 and purchased the firm from the founder Mr. Sigurjonsson in 1988. In 1997 Magnús Haukur Magnússon  joined as a partner and Magnús Hrafn Magnússon joined in 2015. The firm provides services required for protection of Intellectual Property in Iceland including representation before the authorities and the courts.