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Kati Rantala , Specialist Counsel

Kati Rantala

Specialist Counsel

Attorney at Law, Trademark Attorney


Finnish, English and Spanish

Practice areas

  • Intellectual property
  • Privacy, data protection and cybersecurity
  • Sport
  • Technology

Practice notes

Kati focuses on issues related to intellectual property rights and handles infringement, annulment, and other judicial proceedings, as well as other cases related to the protection of intellectual property rights. Kati has experience especially in trademarks, but also in designs, domain names, patents, copyrights, company names, slavish imitation and unfair competition matters. Kati also specialises in data protection and sports law.

Kati’s recent experience includes:

  • representing Osaühing Aldar Eesti against Alko Oy after Alko Oy had claimed that trademark SuPerAlko infringed Alko’s trademarks and trade name
  • representing DT Trade Oy against Abloy Oy in dispute concerning the alleged infringement of Abloy Oy's trademarks.
  • representing Arla Oy against Valio Oy in a dispute concerning the invalidation of Valio Oy’s trademark registration for VOIMARIINI
  • representing Julius Sämann Ltd., the holder of WUNDER-BAUM trademarks, in the Market Court in a trademark dispute concerning the infringement of Julius Sämann Ltd.'s well-known WUNDER-BAUM trademarks
  • representing the wholesale company F-Safety Oy against Kuomiokoski Oy after Kuomiokoski Oy had claimed that the children’s ANGRY BIRDS winter boots F-Safety Oy has had manufactured infringe the design rights of Kuomiokoski Oy’s KUOMA footwear.
  • represented the importing company IP-Agency Finland Oy against Wellmen Oy in a dispute concerning the cancellation of a design registration related to SELÄTIN sporting equipment after Wellmen Oy had asserted that IP-Agency Finland Oy and its retailers had infringed the rights to the product in question.
  • representing a large Finnish media company in a dispute concerning the invalidation of the counterparty’s patent after the counterparty had asserted that the client infringed the patent in question
  • representing an old Finnish metal company in a dispute concerning unfair business practices (counterparty’s false and misleading advertisement)
  • advising both national and foreign clients in trademark registration and trademark opposition proceedings before OHIM and the Finnish Patent Office as well as cancellation proceedings before OHIM


  • Finnish Bar Association
  • The Association of Finnish Lawyers
  • Finnish AIPPI Group
  • Finnish Association for Industrial Property Rights
  • Finnish Sports Law Association
  • Finnish IT Law Association
  • Finnish Anti-Counterfeiting Group
  • Finnish Fashion Law Association
  • The Finnish Copyright Society

Kati works at our office in Helsinki.