Sirje Kahu, Estonian and European Patent Attorney, Estonian and EU Trademark and Design Attorney. 
Member of the Chamber of Estonian Patent Attorneys, Chairman of the Court of Honour of the Chamber of Estonian Patent Attorneys, 

Graduated from the  University of Tartu as a chemist 1980 and Moscow Patent Institute 1986. Worked for the University of Tartu at the Patent Department and Innovation Centre 1980-2002.
Estonian Patent Attorney since 1992, simultaneously with the restoring of the industrial property protection in Estonia. European Patent Attorney 2002, EU Trademark and Design Attorney 2004.  
Founding partner of Patendibüroo Ustervall OÜ.
e-mail: skahu@ustervall.ee

Office e-mail: ustervall@ustervall.ee