Acapo and Onsagers merged in 2025 to form Acapo Onsagers.
Onsagers
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, Kim Livgard and Kari Simonsen. The firm also has European patent attorneys in jurisdictions such as Germany and the UK.
The firm also has a team for trade mark protection, IP disputes and IP-related transactions. Thomas Gaarder-Olsen is now in charge of its legal practice. Ann-Cathrin Hoel, Ulrikke Asbøll and Eirik Rødsand are among the key lawyers in the department. Other notable practitioners for trade mark work are lawyers Kristoffer Weltzien and Christiin Sangvik-Jebsen.
Acapo
Acapo is an IP consultancy that is recommended for its prosecution services. It offers a range of services related to IP including drafting, filing, registration, representation in office proceedings, and litigation support. The firm has offices in Bergen, Oslo, Trondheim and Fredrikstad.
Managing partner Hilde Vold-Burgess is the key contact at the firm. IP star Gunnar Nilsen Søndersrød, Trond Øvsttun and Børge Andre Hilden specialise in mechanical engineering and technical cybernetics. Stein Roar Gjøen excels in physics, electronics, computers and communications.
Onsagers
2024/2025
"We have worked with Kari Simonsen for many years, and she is one of the best patent attorneys within the field of pharmaceuticals in Norway. They are proactive, knowledgeable and positive to work with."
"The best assistance we can get in pharma patent litigation. We like them because of their high skills, pleasant to work with, they know what we need, and are proactive."
"I have a longstanding close working relationship with several IP lawyers at Onsagers whom I trust completely. They have incredible knowledge, expertise, and responsiveness."
"They are the best in the Norwegian market. Period. They are quick, efficient, and cost-effective."
Kari Simonsen
"She is proactive, knowledgeable and nice to work with. She is one of the best patent attorneys within pharmaceuticals in Norway."
"Extremely knowledgeable in chemistry/biology, very pleasant to work with."
Eirik Rødsand
"Works on trademark prosecution, contentious matters, strategic advice."
Ulrikke Asbøll
"Works on trademark prosecution and portfolio management."
Christiin Sangvik-Jebsen
"She is very professional, knowledgeable and friendly."
2023
"The team were flexible and able to act at short notice."
"Onsagers' communication is second to none. They lay out all of the major issues in a matter in an easy-to-digest way that makes my job as IP counsel significantly easier. In particular, Martha Borge stands out as an incredible attorney."
"Onsagers provide their honest opinion and are always available. Our key account manager Per Reiner and his colleagues are highly appreciated."
"They know what I expect and how I like to receive their recommendations. "
"They understand how we work and adjust to our procedures."
"They are efficient and with a good combination of technical understanding and IP/patent capabilities."
"They are easy to work with, service-minded and have excellent expertise."
"They are such great people and always understand what we (or our clients) need from the start."
"They are very competent, responsive, proactive, positive and nice to work with."
"We appreciate their down-to-earth attitude along with their excellent legal skills."
Acapo
2023
"They understand our work or business, and provide good advice. They always take the time to explain the legal implications in a way that is understandable for someone without legal background. I always feel heard and understood and don't have to worry about asking questions and letting them know when I don't understand. We are a Norwegian company with products being distributed digitally all over the world, so we have complicated cases and they have knowledge about different rules and requirements in all the regions of the world where we distribute. "
"They are a skilled and friendly team who expand our horizon on patents and get the job done."
"They are professional, fast and reliable."
"They are diligent, responsive, knowledgeable and pragmatic."
"Personal and dedicated approach, cost-effective and service-minded."
2022
"They respond quickly with precise legal advice."
"They know what they are doing in IP."
"They have the ability to think broad and widen scope of coverage."
"Always easy to reach, and they provide prompt feedback and guidance. Even though our industry was not that known to them, they quickly learned and acquired the necessary knowledge about our products and services."
"We have been using Acapo as our advisors for IP-related concerns for many years and have good experience and relations with them. In our view, they are very good in their area of expertise and give outstanding service to their customers."
Case studies show the firm advised AutoStore and Interwell on patent protection and disputes. In 2023, the firm welcomed patent attorneys in the UK and Germany. Ben Lawrence, Joe Henderson, and Adam Taylor joined the UK practice, while Christian Rackur and Rainer Sterthaus joined in Germany. Henrik Rode left the firm in 2023.
In December 2024, the firm announced that it will merge with Acapo.