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We register companies, associations, foundations and other organizations and corporations, as well as enterprise mortgages and LEI codes. We examine and grant patents and register utility models. We also register trademarks for products and services and provide design protection. We oversee and approve auditors and monitor foundations and the collective management of copyright.

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  • Liinu Lehto

    Director of Customer Service and Communications


    +358 29 509 5309
  • Päivi Männikkö

    Communications Specialist


    +358 29 509 5874
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    Over 22,000 companies have still not filed a notification of beneficial owners – the PRH will send a reminder letter to those who have failed to comply with the requirement

    More than 22,000 limited liability companies and co-operatives have not filed details of their beneficial owners with the Finnish Trade Register, even though they have been obliged to do so since summer 2020. The Finnish Patent and Registration Office (PRH), which maintains the Trade Register, will send a reminder letter to these companies in the summer or early autumn. If the notification of beneficial owners is not filed by the deadline, a negligence fee of 300 euros will be imposed on the company.Most companies must file details of their beneficial owners with the Finnish Trade Register.

    35,000 financial statements still not submitted to the Finnish Trade Register – a fee for late submission will be imposed on the companies at fault

    About 35,000 companies have not yet submitted the financial statements for their most recent financial period to the Finnish Trade Register, which is maintained by the Finnish Patent and Registration Office (PRH). This assessment is based on the PRH's decisions on fees for the late submission of financial statements. The lack of up-to-date financial statements is problematic, both for the companies themselves and for all those who need the information. Financial statements provide a view of the company's financial position, which can be important for customer relations and financing, for

    Finnish company Weeefiner Oy wins the Nordic Innovation Award

    The Nordic Innovation Award was presented in Oslo on 21 May 2026. The Finnish company Weeefiner won the award for its groundbreaking innovation.The company’s CTO, Elmeri Lahtinen, was presented with the award in Oslo.Weeefiner’s solution was honoured with the Nordic Innovation Award 2026 among five finalists from the Nordic countries. The Nordic Innovation Award was presented for the second time in collaboration between the IP authorities in Denmark, Finland, Iceland, Norway, and Sweden. In selecting Weeefiner Oy as this year’s winner, the Nordic jury highlighted the company’s

    Weeefiner Oy reaches the final of a Nordic innovation competition

    The Finnish company Weeefiner Oy will represent Finland in the Nordic Innovation Award 2026 organised by the Nordic industrial property offices. The competition rewards responsible innovations protected by industrial property rights. One candidate from each of the Nordic countries will participate in the final, which will take place in Oslo, Norway, on Tursday, 21 May 2026.In addition to selecting the finalist, the Finnish jury awarded two honourable mentions for innovations by FabPatch Ltd and Onego Bio Ltd. Watch the livestream of the final and award ceremony of the competition on

    Weeefiner Oy reaches the final of a Nordic innovation competition

    The Finnish company Weeefiner Oy will represent Finland in the Nordic Innovation Award 2026 organised by the Nordic industrial property offices. The competition rewards responsible innovations protected by industrial property rights. One candidate from each of the Nordic countries will participate in the final, which will take place in Oslo, Norway, on 21 May 2026. In addition to selecting the finalist, the Finnish jury awarded two honourable mentions for innovations by FabPatch Ltd and Onego Bio Ltd.More information on the Nordic Innovation Award is available on the competition page www.

    Record number of European patent applications from Finland – Nokia behind the growth in applications

    In 2025, Finland set a record for the number of European patent applications, with a total of 3,457 patent applications filed at the European Patent Office (EPO).The number of applications grew by 44% from the previous year, which was the fastest growth among the 30 largest applicant countries of the EPO. Finland rose to sixth place in the EU and 12th place worldwide. Relative to its population, Finland was second only to Switzerland, highlighting Finland's position as a strong country in innovation. The growth is mainly due to Nokia, which increased its applications by nearly

    Nordic Innovation Award 2026

    The Nordic industrial property offices will grant the Nordic Innovation Award for responsible innovations protected by intellectual property rights.The competition aims to increase awareness of the benefits of patents, trademarks and other intellectual property rights (IPR) in business and support sustainable development and responsible solutions. Award criteria The competition rewards responsible and sustainable innovations. Their characteristics include the following: · The innovation reduces resource consumption (e.g., energy, water, materials). · The innovation minimises

    PRH requests investigation of suspected scam site

    The Finnish Patent and Registration Office (PRH) has asked the police to investigate a suspected scam website with the address traderegistry.fi. The website has been published in several languages, including Finnish, and its title is Finland Trade Registry.The website poses as an information service and gives the impression that it is possible to search for and buy Trade Register extracts and companies’ articles of associations, financial statements and other documents on the site. The document prices vary from several dozen to a few hundred euros. The PRH always wants to warn its

    EPO study confirms public research organisations’ ability to innovate – VTT the most active Finnish research organisation

    A study, published by the Observatory on Patents and Technology of the European Patent Office (EPO) with Fraunhofer ISI, highlights the role of Europe’s public research organisations (PROs) in advancing innovation. Covering 39 member states, the report shows that between 2001 and 2020, PROs contributed to nearly 63,000 European patent applications.“Public research is one of Europe’s greatest strengths. This study highlights the vital role of our public research organisations and research hospitals, whose inventions boost Europe’s competitiveness,” said EPO President António Campinos. “But

    The Fin­nish Pa­tent and Re­gi­stra­tion Of­fice re­ports scam mes­sa­ges to the po­lice

    The Finnish Patent and Registration Office (PRH) has filed a criminal complaint regarding misleading emails sent in its name. The messages contain genuine trademark registration or application numbers and ask the recipient to pay bogus fees related to them.The letters claim that changes in legislation require national trademarks to be registered in the European register and a fee to be paid to the European Union Intellectual Property Office (EUIPO). This is not true.  The sender of these messages masqueraded as the PRH, and a fake employee name was used as the signatory.Such messages can

    EUIPO warns against counterfeit food and beverages

    The European Union Intellectual Property Office (EUIPO) is highlighting the problem of counterfeit food and beverages in the EU. EUIPO’s #WhatsOnYourTableEU campaign, launched in all 27 EU Member States, aims to raise awareness and protect consumers.Counterfeit products are often associated with luxury goods or the clothing and fashion sector. However, foodstuffs – particularly cookies, pasta, crisps and sweets – were the second most seized category of products at the EU’s external borders in 2020. Counterfeits of wines and spirits are also common. They are estimated to cause annual losses

    Scam letters sent to trademark customers

    Scam letters have been sent in the name of the Finnish Patent and Registration Office (PRH), asking the recipient to pay fees related to trademarks.Scam letters have been sent in the name of the Finnish Patent and Registration Office (PRH). The letters refer to the PRH or the European Union Intellectual Property Office (EUIPO) or give the impression that the letters are from them. However, these authorities have not sent the letters. The letters may contain authentic trademark registration or application numbers and ask the recipient to pay fees related to them when no such fees exist in

    Norwegian energy solution wins the Nordic Innovation Award

    The Nordic Innovation Award was presented for the first time in Copenhagen on April 10. The Norwegian company Cartesian won the award for its groundbreaking innovation.The Norwegian company Cartesian has developed a thermal energy storage solution for large heating and cooling systems. It can be charged with heat or cold when the energy supply is good and the prices are low, and release the energy when the need and prices are high. The innovative solution of its thermal battery consists of a unique combination of advanced phase change materials, heat exchange technology, and precise

    PRH has been one of the few PCT authorities for 20 years

    The Finnish Patent and Registration Office (PRH) has worked as a searching authority under the Patent Cooperation Treaty (PCT) for 20 years. When the PRH became a searching authority on 1 April 2005, there were only 11 other such authorities: USA, Canada, Russia, Spain, Japan, Australia, China, Republic of Korea, Austria, Sweden, and the European Patent Office (EPO). Today, there are 25 searching authorities. Thanks to the PCT system, an international patent procedure can be started by filing a single application, which gives the applicant the option of a patent in all the 158 countries

    100,000 patents now in force in Finland – risk of patent infringement increases

    The number of patents valid in Finland has doubled in just under two years – the number of patents surpassed 100,000 on 27 February 2025. The reason for the upsurge is the unitary patent system, which took effect on 1 June 2023. This increases the importance of patent knowledge and patent activity with respect to the success of companies. At the same time, companies’ risk of unintended patent infringements increases, including for companies that operate solely in the Finnish market. Before the unitary patent system, there were approximately 50,000 patents in force, a number that remained

    Thousands of requests concerning a prohibition of registration submitted to the Finnish Patent and Registration Office – the online form for registration prohibitions is still running slowly

    Due to the data breach at Valio, over 10,000 requests concerning a registration prohibition were submitted to the Finnish Patent and Registration Office (PRH) last week and over the weekend, and the number is rising. The exceptionally high number of requests concerning a prohibition of registration is causing delays in accessing the online form, with waiting times of between 20 seconds and two minutes. Filling out the form is also slow.The supplier of the form system has been working on the problem since last Thursday, but unfortunately, the issue has not yet been resolved. Customers can

    Nordic Innovation Award 2025 – a new Nordic innovation competition

    The Nordic industrial property offices will grant the Nordic Innovation Award 2025 for responsible innovations protected by intellectual property rights.Together with the other Nordic patent and trademark offices, the Finnish Patent and Registration Office (PRH) has launched a new competition called the Nordic Innovation Award. The competition aims to increase awareness of the benefits of patents, trademarks and other intellectual property rights (IPR) in business and support sustainable development and responsible solutions. Award criteria The competition rewards responsible and

    Finland ranks 4th in Europe for academic patents per capita

    A new report published by the European Patent Office (EPO) today finds that patent applications for inventions originating in European universities have been on the rise over the past two decades, and now account for 10.2% of all patents filed at the EPO by European applicants. In Finland, academic patents represent 10% of all European patent applications filed by Finnish applicants at the EPO in the period 2000-2020.· Leading countries for academic patents are Germany, France, the UK and Italy · Finland ranks 11th as Finnish universities are responsible for 3.1% of all academic patents

    PRH and Ministry of Economic Affairs and Employment: Amendments to Finnish Trade Register legislation are being prepared

    The Ministry of Economic Affairs and Employment, in cooperation with the Ministry of Justice and the Finnish Patent and Registration Office (PRH), has assessed the need to amend the legislation on the Finnish Trade Register. The current legislation has led to situations where reinstating companies, that have been removed from the Finnish Trade Register following a failure to provide statutory information, has not been possible, even though the company’s failure to provide information was unintentional.“We will prepare the legislative amendment soon. The PRH will also suspend the removal of

    PRH has deregistered companies that have not filed their financial statements for registration

    The Finnish Patent and Registration Office (PRH) has removed from the Finnish Trade Register about 3,600 limited liability companies and co-operatives that have not filed their financial statements for registration.Deregistration means that the business is out of action. The deregistered companies had not filed their financial statements despite reminder letters. The PRH had also informed the companies of the procedure using a number of communication channels. See the list of the companies deregistered on 19 August 2024 on the prh.fi website: · Read more about the deregistered

    47,000 companies have not filed their beneficial owner details – the PRH deregisters companies that have not filed their beneficial owner details by 20 November 2024

    The Finnish Patent and Registration Office (PRH), which maintains the Finnish Trade Register, will deregister companies that have not filed their beneficial owner details despite requests to do so. This week, the PRH made an entry in the Finnish Trade Register of limited liability companies and co-operatives that have not filed their beneficial owner details despite the request. These companies will be ordered into liquidation or removed from the Finnish Trade Register if they do not file their notification of beneficial owners by 20 November 2024.Deregistration will take place in December

    47,000 companies have not filed their beneficial owner details – may now risk deregistration

    The Finnish Patent and Registration Office (PRH), which maintains the Finnish Trade Register, will deregister companies that have not filed their beneficial owner details despite requests to do so. This week, the PRH sent reminder letters to thousands of limited liability companies and co-operatives that have not filed their beneficial owner details. The PRH may deregister these companies if they – despite reminders – do not file their beneficial owner details by the deadline.According to the Finnish Trade Register Act, all limited liability companies and co-operatives must file details of

    47,000 companies have not filed their beneficial owner details – may now risk deregistration

    The Finnish Patent and Registration Office (PRH), which maintains the Finnish Trade Register, will deregister companies that have not filed their beneficial owner details despite requests to do so. This week, the PRH sent reminder letters to thousands of limited liability companies and co-operatives that have not filed their beneficial owner details. The PRH may deregister these companies if they – despite reminders – do not file their beneficial owner details by the deadline.According to the Finnish Trade Register Act, all limited liability companies and co-operatives must file details of

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