Espacenet
Free access to more than 90 million patent documents from over 90 patent-granting authorities worldwide, The collection contains information about inventions and technical developments from 1836 to today. (Source Davis Library web page)
UNC-CH users only
European Patent Office
European Patent Office is a free patent searching service provided by the European Patent Organization. Coverage is all patent applications published in the past two years by EPO national offices. Full bibliographic details are displayed, with links to PDF page images for patents from the EPO, France, Germany, Switzerland, UK, USA and WIPO.
Open Access
Japanese Patent Office
Information from the Japan Patent Office including how to apply as well as a searchable databases of granted patents.
Open Access
U.S. Patent and Trademark Office
News and information from the U.S. Patent and Trademark Office. Including patent application forms, rules, regulations, and procedures, and frequently asked questions about the patent and trademark process. There are easy to use searchable databases of patents, trademarks, and patent applications. There are also statistics related to patent and trademark filings.
Open Access
UK Intellectual Property Office
News and information from the United Kingdom’s Patent and Trademark Office. Including patent application forms, rules and procedures, and frequently asked questions about the patent and trademark process. You can also search for on Patents, tredemarks, and copyrights granted in the UK.
Open Access
https://www.gov.uk/government/organisations/intellectual-property-office
World Intellectual Property Organization
WIPO is an agency of the UN. The WIPO databases include international intellectual property laws, standards, and statistics, but also information on international patents, brand registrations, marks, appellations of origin, and more. ()source Davis Libary web page.)
Open Access