Protecting innovation with knowledge and passion.

Protecting intellectual property rights can be complicated, and it's important to get things right. Our award-winning team handles everything from application through to grant, both in Norway and abroad, so you can focus on what you do best.

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Patents

Patents protect the technical aspects of an invention, including what they are, how they work, and what they do.
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Trademarks

Registered trade marks are used to protect brand names, logos, slogans, and even distinctive sounds and smells associated with a company or product.
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Designs

Registered designs protect the physical appearance of a product. This includes the shape, configuration, pattern, or ornamentation that gives the product a unique appearance.
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Celebrating Our 75th Anniversary

Since 1950, Håmsø Patentbyrå has been dedicated to protecting ideas, both in Norway and abroad.

We remain committed to providing top-tier advice and long-lasting value for our clients. We are also proud to stay independent – free to put our clients first and focus on delivering quality without compromise. Thank you to everyone who has been part of our journey so far – here’s to the next 75 years!

Recognised as one of Europe's finest – again!

For the sixth year in a row, Håmsø Patentbyrå is ranked as one of the top patent law firms in Europe by the Financial Times, and we're honoured to be the only one in Norway to receive this recognition.

This series of awards acknowledges the value our services bring to our clients both in Norway and abroad, as well as our unrelenting commitment to quality.

Highly trusted, client-focused

Our international team of attorneys have a wide range of technical backgrounds and solid experience in a number of scientific fields. We have many years of experience in both private practice and in-house IPR departments of large multinational organisations. 

Meet our team

Our knowledge, your peace of mind

Comprehensive IP solutions delivered with professionalism and genuine care.

Since our founding in 1950, our deep understanding of intellectual property law has been the cornerstone of our commitment to safeguarding your innovations.

Our team of dedicated professionals provide tailored IP services that not only protect your assets but also enhance their value. From securing patents and trademarks to navigating complex international regulations, we guide you through every step of the process with clarity and confidence.

With our expertise, you can focus on what you do best—innovating—while we ensure your intellectual property is protected with the highest standards of professionalism and care.

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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.

Client testimonials

Client: Rodeo Holding AS
Product: Rodeo Balance chair
Read moreSee more testimonials here
Photo: Rodeo Holding AS

Patents

Patents protect the technical aspects of an invention, including what they are, how they work, and what they do.
Read more

Trademarks

Registered trade marks are used to protect brand names, logos, slogans, and even distinctive sounds and smells associated with a company or product.
Read more

Designs

Registered designs protect the physical appearance of a product. This includes the shape, configuration, pattern, or ornamentation that gives the product a unique appearance.
Read more