Worldwide Patent Databases
• DEPATISnet - German Patent Office - database for searches on patent publications from around the world.
• Espacenet - Patent information service at the European Patent Office
• FDA Orange Book - US Food and Drug Administration.
• Google Patent Search
• INPADOC-EPIDOS - Comprehensive databases on the Patent Bibliography (approximately 71 countries)
• PATENTSCOPE - Search International and National Patent Collections
• The Lens - Free Full text patent search database

National Patent Office Databases
• AR - INPI - Argentina
• AP - IP ARIPO Online Services
• AT - Serv.ip - Austria
• AU - AUSPAT - Australian Government - IP Australia
• BE - Economie BBP-eRegister- Belgium
• BR - INPI - Brazil
• CA - Canadian Intellectual Property Office
• CH - IGE-IPI - Swiss IP Rights Database
• CN - CNIPR - China Intellectual Property Net
• CZ - Czech Industrial Property Office
• DE - DPMAregister - German Patent and Trade Mark Office
• DK - Danish Patent and Trademark office
• DZ - INAPI - Algerian National Institute of Industrial Property
• EA - Eurasian Patent Organization
• EE - PATENDIAMET - The Estonian Patent Office
• EG - Egyptian Patent Office
• EP - European Patent Register
• ES - OEPM - Spanish Patent and Trademark Office
• FI - PatInfo - Finnish Patent and Registration office
• FR - INPI.fr - National Institute of Industrial Property - France
• GB - GOV.UK - Intellectual Property Office
• GC - Patent Office Of Cooperation Council of The Arab States Of The Gulf
• GE - SAKPATENTI - The National Intellectual Property Center of Georgia
• GR - The Hellenic Industrial Property Organisation
• HK - Hong Kong SARG IPD Patent Search
• HR - SIPO Croatia - State Intellectual Property Office
• HU - Hungarian Intellectual Property Office
• IE - Irish Patent Office
• IN - INPASS - Indian Patent Advances Search System
• IT - UIBM - Italian Patent and Trademark Office
• JO - Ministry of Industry, Trade and Supply - Jordan
• JP - J-Plat Pat - Japan Platform for Patent Information
• KR - KIPRIS - Korea Intellectual Property Rights Information Service
• LT - The State Patent Bureau Of The Republic Of Lithuania
• LU - BPP-eRegister - Luxembourg Office for Intellectual Property
• MA - OMPIC - Moroccan Office of Industrial and Commercial Property
• MX - VIDOC.IMPI - Mexican Institute of Industrial Property
• MY - MYIPO - Intellectual Property Corporation Of Malaysia
• NL - BPP eRegister - Benelux Patent Platform
• NO - Norwegian Industrial Property office
• NZ - New Zealand Intellectual Property office
• PH - IPOPHL - Intellectual Property office Of The Philippines
• PL - Polish Patent Office
• PT - INPI Portuguese Institute Of Industrial Property
• RO - RoPatenTSearch - Romania
• RU - Russian Federal Institute Of Industrial Property
• SA - PRV - Swedish Patent Database
• SG - IP2SG - Intellectual Property Office of Singapore
• SL - SIPO DB - Slovenian Intellectual Property Office
• SK - UPV - Industrial Property Office Of The Slovak Republic
• SY - Syrian Patent Office
• TR - Patent database of Turkish Patent Institute
• TW - Taiwan Patent Search System
• UA - Ukrainian Institute Of Intellectual Property
• USPTO- Patent Full Text Database - Patents and published patent applications
• USPTO - Pair - Patent Application Information Retrieval
• ZA - South African Online Patent and Design Database