How to file an application with PRH

You can file your patent application with us in any of the following ways:

• File your application online: Go to the service.Open link in a new tab
• by posting it to

Finnish Patent and Registration Office
FI-00091 PRH, Finland

• by filing it to PRH Registry by secure email. See instructions on how to send secure email.
  
• by bringing it to our office. Our address is Sörnäisten rantatie 13 C, Helsinki. See our opening hours and how to reach us.
• by filing it using our Patent Service. Please note that the service is most suitable for IPR experts. Go to the Patent Service.Open link in a new tab
• File your application by fax. The number for fax filing is +358 29 509 5328 (the Registry number).
  Please observe: Fax filing may pose an information security risk. Should you have any doubt at all about your machine’s data security, we recommend that you do not use it for your filing.
  

Patent applications made under the NATO invention agreement (Act on the agreement for the mutual safeguarding of secrecy of inventions relating to defence and for which applications for patents have been made, and on the implementing procedures for the agreement) cannot be filed with the PRH in any of the above mentioned ways. Submission of such applications must be agreed upon separately. Please contact our Patent Advisory Service.