Håmsø Patentbyrå:

70 years of intellectual property services

 Håmsø Patentbyrå AS is one of Norway’s leading firms of patent and trade mark attorneys and the only one with its head office in the Stavanger area / South West Norway, in what is arguably today the most innovative region of the country.

Local, national, international:

Håmsø Patentbyrå was founded in Sandnes in 1950 by Borge Håmsø. His sons, Eivind and Gunnar Håmsø, took over ownership and management of the company in 2003. The brothers sold the company to a group of seven employees in 2019. Håmsø Patentbyrå now employs more than 30 people, representing six different nationalitites.

fun fact:

Albert Einstein worked for the Swiss industrial property office when developing his theory of relativity in 1905.

All you need in one place:

Full range of IPR services

Håmsø Patentbyrå provide services related to obtaining and maintaining patents, registered trademarks and registered designs. Out service also include assistance with litigation, questions of infringement and validity, due diligence and product clearance work. We represent applicants directly before the Norwegian IP Office, The European Patent Office, and national IP offices of certain European countries.


our professional expertise

Qualified in a variety of fields

Our team is experienced in securing, maintaining, and advising on intellectual property rights worldwide.  Our attorneys and administrators have diverse backgrounds. 

The team includes people of six different nationalities and professionals with many years of experience from private practice and in-house IPR departments in major European jurisdictions. 

The team serves clients from a range of different industries and in different fields of technology.  Our patent attorneys have scientific degrees, most have worked several years in engineering or technology-based companies, and several have PhDs. 

intellectual property rights abroad

International network

Our services include obtaining intellectual property rights in any country you require.

We can represent you abroad through our established network of associate attorneys to provide a seamless global service.

Since 2018, Håmsø Patentbyrå has been the Scandinavian partner of AIPEX, a network of European IP firms offering simplified management of large European IP portfolios for international clients.

professional membership

Our team is member of:

  • Foreningen for norske IP-rådgivere (FONIP)
  • Fédération Internationale des Conseils en Propriété Industrielle (FICPI)
  • Institute of Professional Representatives before the European Patent Office (EPI)
  • The Netherlands Institute of Patent Attorneys
  • The Chartered Institute of Patent Attorneys (UK)
  • Norwegian Association of Intellectual Property Administrators (NAIPA)
  • International Trademark Association (INTA)
  • A European association representing the interests of brand owners (Marques)