Customer service

Our customer service point in Helsinki is open from Monday to Friday between 12.00 and 16.15 until further notice. Read more about our customer service point in our announcement.

Our online services and telephone services are running normally. It is quicker and cheaper to file online than using paper forms.

You can send paper notifications by post or leave them in our mailbox at Sörnäisten rantatie 13 B, Helsinki.

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


+358 29 509 5030
Mon–Fri 9.00–16.15

Mailing address

Finnish Patent and Registration Office

Street address

Sörnäisten rantatie 13 C, Helsinki

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

Contact our advisory services by email

  • Finnish Trade Register and enterprise mortgages:
  • Finnish Register of Associations and Register of Foundations:
  • Trademarks and designs:
  • Patents and utility models:


+358 29 509 5328

Printable version
Latest update 19.07.2021