Contact details of the Finnish Patent and Registration Office (PRH)
We provide services in various channels, and we recommend that you use our online services. Go to the Online services in English page.
Our telephone advisory service is open from Monday to Friday 9.00–15.00. See the contact details of our customer service.
Our customer service point in Helsinki is open by appointment. Read more about how to do business with our customer service point.
Our mailing address is Finnish Patent and Registration Office, FI-00091 PRH, Finland.
The address of our visitor reception is Sörnäisten rantatie 13 B, Helsinki.
We are closed on official midweek holidays. See a list of the official midweek holidays.
Our telephone exchange is open Mon–Fri from 8.00 to 16.15. The number is +358 29 509 5000. Read more about charges for calls made to numbers beginning with 0295.
The Registry manages the delivery of documents to us. Go to the Registry contact details.
Invoicing address
- E-invoice address (online invoicing) / EDI identifier: 003702446831
- Operator ID of Posti Messaging Oy: FI28768767 (can be used from 6 May 2024)
- Operator ID of OpusCapita Solutions Oy: E204503 (can be used from 6 May to 30 September 2024)
- PRH Business ID: 0244683-1
- PRH VAT number: FI02446831
Peppol address
If you use Peppol, the address is
- Participant ID: 0216:003702446831
- Country: Finland (FI)
- Entity Name: Patentti- ja rekisterihallitus (Finnish)