Opening hours for our libraries and Library Chat have been adjusted over the Easter holidays. Please
check our library opening hours page before you visit.
Espacenet is a comprehensive patent searching tool that includes published patent applications and granted patents from 90+ patent-granting authorities. Useful for classification searching.
Google Patents includes patent publications from 17 patent offices around the world, and technical documents and books indexed in Google Scholar and Google Books. Google Patents is especially useful if you have information such as patent dates, names and classification codes.