Siiri Klang

Siiri advises our clients on matters related to intellectual property and technology, as well as disputes in court proceedings and arbitration. With a particular focus on patent litigation within the pharmaceutical and technology sectors, she provides regulatory advice in complex dispute proceedings. She assists clients across a variety of matters, including preliminary injunctions, patent infringement and invalidity actions, employee invention disputes, and damages claims.

Siiri joined Borenius as an Associate in 2026, after working at the firm as a trainee. In addition to her law degree from the University of Turku, Siiri has studied law at the University of Vienna, Austria.