Patents
- US Patent and Trademark Office
- Patent Search
Search both issued patents and published applications - Search aids
Includes basic facts, guides, and laws and rules
- Patent Search
- Delphion
Search US granted patents for free. Downloading patents, searching international patents, and searching US and international patent applications is fee based. - Pat2pdf.org
With patent number, retrieve Adobe PDF version of U.S. patents (easier than using USPTO). - UK Patent Office
- esp@cenet (European Patent Office)
Search patents worldwide - WIPO (World Intellectual Property Organization)
Search international patent applications - Google Advanced Patent Search
- Information on Patents for Researchers
Guide from the University of Pennsylvania's Science and Engineering Library. - "What every chemist should know about patents." [pdf] Written by Le-Nhung McLeland. ACS Joint Board–Council Committee on Patents and Related Matters. © 2002 American Chemical Society.
- Patent Analysis Free Databases
Patent Analysis provides free access to the US patent databases, EU patent databases and the WO/PCT patent database. Users must create an account.
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Last Updated: Wednesday, 10-Oct-2007 13:22:38 CDT /ns