Patent Searching  Tags: patents engineering science technology  

Fastest place to go for all U.S. patents and some U.S. patent applications. Contains descriptions and images in PDF and HTML.

Contains US patents from 1976+, European, World, and Australian patents. Contains patent applications from U.S., World, and Australia.

Access to all U.S. patents, U.S. patent applications, World patents, European patents, Japanese abstracts, and more. Ability to search full text, download and export citations.

Called CCTEC, this is Cornell's main office on campus for patent management.

Fastest place to go for all US patents and some US patent applications. Contains PDFs of patents.

Canadian Intellectual Patent Office (CIPO) contains all Canadian patents and images from 1933 to the present.

Esp@cenet contains European patents, World patents, and patent applications. Ability to search patents by origin country (i.e. CN for China). Downloadable and printable in PDF.

Requires registration to access PDFs of patents. Allows for RSS feeds and PDF and XML data downloads.

Access to japanese patent abstracts.

Contains US patents from 1976+, European, World, and Australian patents. Contains patent applications from U.S., World, and Australia. Searches full-text, downloadable into RIS format.

U.S. patents from 1976 foward. Contains U.S. and foreign citing patents.

Access to all U.S. patents and U.S. patent applications. However, full text viewing requires a TIFF viewer, which requires an extra step. Recommend other databases on this page first.

Patent statistical reports based on organization, geographical location, technology, and inventor.

Database of patents open for public comment, PDF downloading of patents, and free patent translation into multiple languages.

Under PatentScope, contains 1 million world patents and patent applications; will have a WO prefix. When viewing patent, click on "Document" to download in PDF, ZIP, or XML.