Finding Patents

The EPO patent database contains patents and patent applications from countries in Europe. For example if you are looking for a patent beginning with EP or DE you might want to use this service. Patents are downloadable in PDF format.

This database lets you access over 75 years of patent descriptions and images from Canada. You can search, retrieve and study more than 1,900,000 patent documents.

DEPATISnet is the free electronic patent document archive of the GPTO. Search for patents under publication number (and other fields) using the examples set by the GPTO. PDF's of the full documents are available by clicking on "Load full document".

Search the PAJ database for abstracts of Japanese patents.

enables you to do full-text search in over 1.4 million published international patent applications from the first publication in 1978.