The following sites have come to our attention through various sources; their inclusion in this section does not indicate endorsement by Scientific Library staff.
Derwent Innovation- Fee-based: From Clarivate Analytics, a full-service patent database. Please complete Database Search Request Form to obtain a patent from this database. [Service provided at no charge for NCI at Frederick employees only. Contact Scientific Library in Bldg. 549 at x1682 or ATRF Library at x4942.]
DNA Patent Database - A joint project of the Georgetown University's Kennedy Institute of Ethics and the Foundation of Genetic Medicine, allows free public access to the full-text and analysis of all DNA patents issued by the U.S.P.T.O.
Espacenet Patent Search - Free access to the database of over 90 million patents.
FreePatentsOnline- Search US patents & patent applications; EP documents; Abstracts of Japan; WIPO (PCT).
Google Patents - Google Patents includes over 87 million patent publications from 17 patent offices around the world, as well as many more technical documents and books indexed in Google Scholar and Google Books.
SumoBrain - SumoBrain a new professional patent search and workflow solution from the creators of FreePatentsOnline.com. SumoBrain offers a powerful and fast search engine for searching major world patent collections. The SumoBrain Web Site is owned and operated by Patents Online, LLC, a Maryland limited liability company.
The Lens - Search US, and European applications and grants, WIPO Patent Cooperation Treaty applications, and Australian full text patents, then filter the results graphically. This Free database also provides a BLAST search for finding sequence patents.
USPTO Web Patent Databases - U.S. Patent & Trademark Office offers free access to bibliographic and full-text patent databases from 1976 to most recent weekly issue.
WIPO PatentScope - Search international patent applications filed under the Patent Cooperation Treaty (PCT), as well as Regional and National patent collections from 44 participating countries, plus recent EPO, JPO, and CA patent applications. Free to search and includes a chemical structure search for those who create a free account and are logged into it.