Patent, Trademark and Copyright Offices
United States Patent and Trademark Office
United States Copyright Office
World Intellectual Property Organization
Mexican Institute of Industrial Property
Canadian Intellectual Property Office
European Patent Organisation
Patent Office: State Intellectual Property Office of the P.R.C (SIPO)
Trademark Office: State Administration for Industry and Commerce of the People’s Republic of China (SAIC)
National Institute of Industrial Property: Ministry of Development, Industry and Foreign Trade (INPI)
Japan Patent Office (JPO), Ministry of Economy, Trade and Industry (METI)
Korean Intellectual Property Office (KIPO)
Office of the Controller-General of Patents, Designs and Trademarks; Ministry of Commerce and Industry
Patent Office of the Cooperation Council for the Arab States of the Gulf
Other Global Intellectual Property Offices
Patent and Trademark Search and Ordering Resources
US PTO Patent Database
US PTO Trademark Database
Delphion Intellectual Property Network (formerly IBM Patent Server)
MicroPatent
The International Property Rights Index 2016