Individual Databases for PATENTS FOR INVENTORS@BROWN
Espacenet: Europe's Network of Patent Databases
1836-present; offers free access to more than 70 million patent documents worldwide, containing information about inventions and technical developments. [This resource is publicly available.]
Coverage varies; World Intellectual Property Organization (WIPO)PATENTSCOPE® database is for searching international patent applications(WO)and national collections primarily for selected countries in Asia, South America, Africa, and the Middle East. Graphing tools, linguistic search, browsing capability, sequence tracking are among the value-added features. [This resource is publicly available.]
U.S. Patent Full-Text and Full-Page Image Databases
Search full-text separately for published patents (1976-present) or for patent applications (March 15, 2001-present); search patents 1790-1975 only by issue date, patent number, or Current U.S. Classification. Keyword searching less effective than classification searching.