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Marianna Karjanlahti

Trademark Specialist


Trademark Specialist, Helsinki

Tel. +358 20 713 3530
Fax. +358 20 713 3499
Mob. +358 44 532 3015

Marianna Karjanlahti

Marianna specialises in trademark, design, and domain name matters. In addition to managing client IP portfolios, Marianna advises clients in application procedures, trademark clearances, and opposition matters.

Marianna is a European Trademark Attorney and a Trademark Attorney authorised by the Finnish Patent and Registration Office. She holds a Master’s Degree in Intellectual Property Law from the Hanken School of Economics. Marianna joined Borenius in 2007.


  • Trademark Specialist, Borenius, 2015–
  • Trademark Assistant, Borenius, 2011–2015
  • Assistant, Borenius, 2007–2011


  • Master of Science (Economics and Business Administration), 2015, Hanken School of Economics, Finland
  • Bachelor in Business, 2007, Helsinki Business Polytechnic (Haaga-Helia), Finland


  • Finnish, Swedish, English, French