sumer office, alev yavuzcan
patent & trademark agent
member of EPI, AIPPI

Postal Address ; Posta Kutusu 13, Teknik Universite PTT Subesi, Gumussuyu Taksim 34439 Istanbul Turkey
Sumer Office Address ; Ayaspaşa Cami Sokak No.2 D. 1 Gümüşsuyu Taksim Turkey
Phone: +90.212.2430196 Fax: +90.212.2937182 e-mail: info at alevyavuzcan.com