Contact Us

E-Mail:
QQ: 19 02 69 59 23
WeChat: +1 818 288 1088 (QR-Code)
WhatsApp: +1 650 338 8938
Mailing address: Obermattweg 12, 6052 Hergiswil, Nidwal, Switzerland

In Switzerland (Headquarters):

Proi World Intellectual Property GmbH
Obermattweg 12
6052 Hergiswil, NW
Switzerland
Phone: +41 (0) 22 510 22 59

In Germany:

Wilhelmstrasse 61
D-90766 Fürth
Germany

Sulzer-Belchen-Weg 31A
D-81825 Munich
Germany
Phone:
+49 89 3815 106 90
+1 818 288 1088
+1 360 440 4067

In America:

PROI Intellectual Property US

555 Bryant Street
Suite #294
Palo Alto, CA 94301
USA
Phone:
+1 (650) 338 8938
+1 (818) 288 1088

19215 South East 34TH Street
Suite #106 – 108
Camas, Washington 98607
USA
Phone: +1 (360) 440 4067

In P.R. of China:

Zhong Ke Nano Technology Mansion
(East of Satellite Mansion)
Xuefu Road, Nanshan District
Shenzhen, Guangdong
518057 VR China
Phone: +86 135-3826-5303 (Chinese Service)
Phone: +86 188-2345-6291 (English Service)