esp@cenet
esp@cenet is a free gateway to a patents search engine which can find UK, European, US and Japanese patent applications using one single search form. The esp@cenet quick search option defaults to the Worldwide database where users can search by words in the title or abstract or persons or organisations. Users can also conduct searches by number, classification or a range of parameters using the advanced search option. If available, the original application along with a description of the invention and drawings are made freely available online.