Marianna Karjanlahti-Perini

Marianna is an European Trademark Attorney and an authorized Trademark Attorney in Finland. Marianna has an extensive experience in management of international IP rights portfolios including all authority related proceedings in relation to trademark, designs and domain names. She advices companies in filings, opposition and appeal matters, on strategic management of IP portfolios and she counsels them on contractual and anti-counterfeiting related questions and disputes. Before joining Berggren, Marianna has worked over 15 years in leading Finnish attorney at law offices.

Marianna is an active MARQUES member, participating to the work of the European Trade Mark Law and Practice Team and representing MARQUES in the European Cooperation projects on Business and Innovation (previously SME support) and Inclusive IP Landscape Virtual Community

Marianna has been recognized by leading ranking houses such as WTR 1000 as a Leading Trademark Professional (2024-2025), Rising Star in Intellectual Property by IP STARS (2022-2025), Legal 500 and recommended by Lexology Index in the category of IP: Trademark Agents & Attorneys (2025)