Cooperative Patent Classification
See a new set of numbers on your patent?
Search patents by classification number?
- Patent Classification USPTO adopts Cooperative Patent Classification. Check the mapping USPC to CPC to see where your patent area falls in the new classification scheme.
Books on Patents and Trademarks
Patents and Technological Progress in a Globalized World by Call Number: Electronic BookPublication Date: 2009
Patent Law for Computer Scientists: Steps to Protect Computer-Implemented Inventions [electronic resource] by Call Number: Electronic BookPublication Date: 2010
Patent, Copyright & Trademark: An Intellectual Property Desk Reference by Call Number: Electronic BookPublication Date: 2004
Find Patents
- Canadian Patents Database This database lets you access 93 years of patent descriptions and images. You can search, retrieve and study more than 2,140,000 patent documents.
- Espacenet Patent Search Espacenet offers free access to more than 80 million patent documents worldwide, containing information about inventions and technical developments from 1836 to today.
- Free Patents Online Basically free full-text and/or images of patents from a variety of sources worldwide. Includes combined search option so you can search U.S., U.S. patent applications, European Patents, Japanese Patents (abstracts only), and WIPO. Also has a new chemical patent search feature. Be sure to check coverage for each database prior to searching.
- Google Patents Search Patents from the United States Patent and Trademark Office.
- Japan Patent Office Japan patents, trademarks, design patents, utility models, and international applications.
- U.S. Patent and Trademark Office
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Includes full-text of issued patents since 1976, full-page images since 1790, and published applications since March 15, 2001.
