Validating European patents in Norway

European patent applications which are being processed or have been granted at the European Patent Office (EPO) can be validated in Norway.

Why do you have to validate a eureopean patent in Norway?

For a European patent granted by the EPO to be valid in Norway, it must be validated by us. Even though holders of European patents can now claim unitary effect, such unitary patents will not be valid in Norway.

When must you send an application for validation?

To validate a European patent in Norway, you must file an application for validation, including a translation of the patent, to the Norwegian Industrial Property Office (NIPO) within three (3) months after the EPO has published notification that the patent has been granted. 

Validation fee

You must pay a validation fee. You can pay the validation fee directly via Altinn. 

Alternatively, we can send you an invoice with a deadline of one month after we have checked the application and any documents. 

  • Fee for validating patent (B1): NOK 7 150

Payment deadline is usually one month from when we sent out the invoice.

If you have not complied with the deadline, you may in some cases, request that your application be taken up for examination again.

How to apply?

For Norwegian residents and companies operating in Norway we recommend that you send your application online via Altinn. You will receive a receipt immediately, and the correspondance will take place via Altinn.

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.


What information is required in the application?

  • application or publication number at the EPO
  • title
  • name or business name of the owner of the patent
  • address for correspondence


The european patent must be translated.

The following documents must be submitted if the patent is granted in English at the EPO:

  • translation of claims into Norwegian

If the patent is granted in French or German at the EPO, you also have to submitt:

  • translation of the title and description, including any text on drawings into English
  • OR translation of the title and description, including any text on drawings, into Norwegian.

Any sequence listings need not be translated.


Format requirements

  • Description, claims and drawings must be submitted in separate files.
  • Numbering must be placed at the top of the page in the middle.
  • Representative/ Patent attorney, PCT number and EP number etc. should not be included.
  • Title should not be listed in the description and claims.

Power of Attorney

If you are using a patent agent, you must submit a Power of Attorney.

The Power of Attorney should contain the application or publication number, the name and address of the patent holder, and the name and address of the patent agent.

If the Power of Attorney is not submitted by the deadline, the patent will be published without the representative being listed. You need only submit a copy of the Power of Attorney.

Annual renewal fees

To maintain your European patent in Norway, you are required to pay renewal fees each year to NIPO. It is your responsibility to pay before the due date. 

You can se how much you have to pay in our payment service.

We recommend that you set up a free electronic alert. 

Provisional protection for your patent in Norway

To obtain provisional patent protection in Norway on the basis of a European patent application published by the EPO, the application must also be published in Norway.

Notification of changes of owner and representative in Norway and EPO

Changes in ownership which are not registered at the EPO may be reported to the NIPO.

When customers send changes to the EPO, updates will be sent to Norway.

Customers do not need to send confirmation documents from the EPO or original documents concerning transfers or changes in name and address to the NIPO.