Complete range of intellectual property solutions

Our Services

Whether you're expanding into new markets or reinforcing your position at home, we tailor our approach to fit your needs and aspirations.

Our team draws on deep knowledge and hands-on experience to manage the complexities of intellectual property, guiding you through the shifting global landscape with straightforward, reliable support.

Patents

Trademarks

Designs

Plant Breeders' Rights

IP Strategy

Knowledge Base

Highly trusted, client-focused

Our award-winning and international team of attorneys have a wide range of technical backgrounds and extensive experience in a number of fields, both in-house and in private practice. The safety of your rights are our priority, and so we utilise some of the most advanced case management and deadline monitoring systems on the market.

Meet our team

With you every step of the way

For more than 70 years, we have helped people, whether individuals or companies, both large and small, to protect their inventions, trademarks and designs.

We can assist you in identifying, protecting, managing, and enforcing your rights in the most effective way for your business.

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News

Acquired distinctiveness of trademarks – when a single drop is enough

Zalo®’s spring campaign shows how recognition can arise even without the direct use of the brand name. When colours, shapes and slogans gain such a foothold without being registered, the question arises whether they can have – or acquire – protection through acquired distinctiveness. In this article we take a closer look at what acquired distinctiveness means and when it may be relevant.

Håmsø Academy 2025/2026 – Open training programme in European patent law

European patent law is constantly evolving. At Håmsø Patentbyrå, we have for many years conducted internal courses to strengthen expertise and to prepare our staff for the European Qualifying Examination (EQE). From autumn 2025, we are opening Håmsø Academy to everyone who wishes to build or further develop their knowledge in this field.

How to Protect Your Trademark Internationally

Taking your brand to the global stage? Håmsø Patentbyrå helps you protect your trademark internationally – from preliminary searches and strategy to application and follow-up.

Our collaboration partners

Since our founding in 1950, we have built a solid international network of professional partners through experience and personal meetings, assisting where local representation is required. Among our many partners are CMS Kluge and AIPEX, both of which play an important role in our local and global network.

CMS Kluge has specialized expertise in intellectual property rights (IPR) and extensive experience in assisting start-ups. Together, CMS Kluge and Håmsø Patentbyrå offer a start-up program for Norwegian businesses.

AIPEX is an international network of intellectual property law firms.

As the Scandinavian partner in AIPEX, Håmsø Patentbyrå can provide streamlined management of IP portfolios for larger international companies.