Patent Information: Patents by Country

Patents by Country/Region

Australia

IP Australia

Canada

Canadian Intellectual Property Office

China

中華人民共和國國家知識產權局

Hong Kong SAR

HKUST Office of Knowledge Transfer
Intellectual Property Department - Hong Kong SAR

Japan

Japan Patent Office

Korea

Korean Intellectual Property Office

New Zealand

Intellectual Property Office of New Zealand

Singapore

Intellectual Property Office of Singapore

United Kingdom

UK Intellectual Property Office

United States

United States Patent and Trademark Office

 

USPTO Patent Full-Text and Image Database

Provided by the US Patent and Trademark Office, it contains full-text images of US patents from 1790 to present. Images are in TIFF format. Users have to install a TIFF viewer to view the images.

Other Countries

WIPO Directory of Industrial Property Offices around the world, many of the sites are not in English.