Contact details - PRH

Customer service, telephone

+358 29 509 5030, Mon-Fri 9.00-16.15

See all contact details for our customer service.

Our customer service point in Helsinki is open Mon–Fri 12.00–16.15 until further notice.

Our online services and telephone services will be running normally. See a list of online services in English.

The PRH is closed on official midweek holidays. See a list of the official midweek holidays.

Telephone exchange

+358 29 509 5000, Mon-Fri 8.00-16.15. Read more about charges for calls.

Mailing address

Finnish Patent and Registration Office


Read more about the contact details for the registry.

Scandinavian letters å, ä and ö are replaced with a, a and o, respectively.

Secure email

Use the secure email if you send documents containing personal details (e.g. personal identity codes) or your matter is confidential, even to the slightest extent.

Read more and send secure email to us.

How to find us

Customer service, street address: Sörnäisten rantatie 13 C, Helsinki

Visitors, street address: Sörnäisten rantatie 13 B, Helsinki

The distance from Helsinki railway station to our new office is 1.7 km.
You can use public transport to visit us, for example:

  • metro to Hakaniemi station (exit C)
  • trams 3, 6 and 9
  • buses that drive through Hakaniemi.

For detailed route information, please go to the HSL website. Go to

Invoicing address

E-invoice operator: OpusCapita Solutions Oy
E-invoice address: 003702446831
Finnish Party Identification Number (OVT): 003702446831
Business ID: 0244683-1
Operator ID of OpusCapita Solutions Oy: E204503
Contact details of OpusCapita Solutions Oy: +358 20 538 8500

Business ID


VAT number