Practice area

IP STARS Reviews


IP boutique Onsagers is best known and highly rated for IP protection and portfolio management work. The firm has a large team of patent attorneys covering technical fields such as chemistry, life sciences, engineering and agriculture. Some of the attorneys previously worked for the Norwegian IP Office, and they are active in patent litigation support work. Mechanical engineering specialist Lars-Fredrik Urang is in charge of the patent department. The experienced patent attorneys in the department include Anette Robsahm Rhohmen, Dorte Lajer, Stanko Bradvarevic, Kim Livgard and Kari Simonsen.

The firm also has a team for trade mark protection, IP disputes and IP-related transactions. Head of legal Ann-Cathrin Hoel, Thomas Gaarder-Olsen, Ulrikke Asbøll and Eirik Rødsand are among the key lawyers in the department. Other notable practitioners for trade mark work are Carl J Bjerkelund, Kristoffer Weltzien, and Christiin Sangvik-Jebsen. Bjerkelund is a trade mark attorney, whereas Weltzien, and Sangvik-Jebsen are lawyers.


Case studies show the firm advised AutoStore and Interwell on patent protection and disputes. Henrik Rode is a junior patent attorney to watch.

Trade mark

Case studies show the firm manages the trade mark portfolios of brand owners such as ASOS Holdings and Arcus Norway. Martha Borge is a prospect to watch.