Apply for a patent in Norway

To apply for patent protection in Norway, you file a patent application to the Norwegian Industrial Property Office.

Apply for a patent with the application guide

Recommended for Norwegian residents, entrepreneurs and small and medium-sized companies (SMEs) operating in Norway.

By using the application guide, you can fill out and send your application, pay and receive a receipt, all in one operation. The receipt will also be available here afterwards. You get useful tips along the way and everything you do is saved. 

Once you have filed your application, all further correspondence in the application process between you and NIPO will take place online. All correspondence will be available under "My Messages" and in your Altinn message box.

Have you already started an application or just sent one?

Go to "Applications - drafts or recently filed"

Other ways to file an application

  1. If you wish to apply for a patent using Altinn, you can use our application form in Altinn. Here you can pay online or request an invoice to be sent.
    Apply via Altinn 
    More information about how to prepare your application
  2. No Norwegian national ID number?
    The Norwegian Industrial Property Office (NIPO) offers a secure electronic solution for those of our customers without a national ID number. File applications and communicate with us electronically. Read more about how you can do this.  

Correspondence in connection with an application or registration

We recommend that you use the correspondence form in Altinn. You will receive a receipt immediately.

Altinn: Correspondence to NIPO 

If it is not possible for you to use Altinn, you can send an e-mail to

How long does a patent last?

You may keep your patent in force for up to 20 years from the date you filed your application. To keep it in force you must pay annual renewal fees. If you do not pay the annual fee, your patent will no longer be valid.
List of fees
Read more about annual fees and renewing your patent

Under certain circumstances you may apply for a further five years protection for pharmaceutical and plant protection products.
Read more about the Supplementary Protection Certificate (SPC)
SPC application form (PDF file) (in Norwegian only)

Once your patent has expired, anyone may exploit the invention. However in certain cases, the rights of others to exploit the patent may be limited by other legislation. It may for example go against good business practice under the Marketing Control Act or be subject to protection under copyright law.


You will find the following forms in PDF format on the Forms page

  • Declaration of Right to the Invention
  • Application for grant of a Supplementary Protection Certificate (SPC)
  • Application for an extension of the Supplementary Protection Certificate for pharmaceutical products 
  • Patent pledge
  • Power of Attorney
  • Notification of a licence

Need help to formulate your application?

Patenting is a complicated field where it is easy to make mistakes. If you have limited experience with patenting or limited time to work on your application, you should consider using a professional patent agency or patent attorney. A patent agency can help you prepare and formulate your patent application. Strict requirements and deadlines apply. A patent agency will assist you in monitoring these deadlines, and various payments such as annual fees.

A list of professional patent agents can be found on the website Rådgiverdatabasen (in Norwegian only) or on Google.

Read more about how a patent agency can help you 

Thank you for your feedback! If you need an answer, call +47 22 38 73 00 and talk to our Customer Service Centre.
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