Patent Office Websites & Searching Databases
United States Patent and Trademark Office (USPTO)
World Intellectual Property Organization (WIPO)
Australian Patent Office (IPAustralia)
Canadian Patent Office (CIPO)
European Patent Office (EPO)
Japanese Patent Office (JPO)
Korean Patent Office (KIPO)
New Zealand Patent Office (IPONZ)
Free Patent Retrieval Websites
Freepatentsonline
PAT2PDF
Google Patents
PriorSmart
File History Retrieval Websites
Thomson Reuters File Histories
ReedFax
USPTO PAIR database
Non-Patent Resources
USPTO Trademark Electronic Search System (TESS)
Electronic Orange Book (FDA)
PubMed (A U.S. National Library Service)