Technical information
![Mechanical gears turning](/sites/default/files/2023-01/Promo%20card%20Search%20for%20Patents%20Technical%20Info%201920x960.jpg)
We provide access to the largest single source of technical information in the world: our databases containing millions of patent documents. This allows you to see what already exists, find out about technical aspects of your competitors’ work or spot trends in technology.
Resources
![Man looking at computer screen showing Espacenet.](/sites/default/files/styles/ratio_4_3/public/inline-images/Content%20card_Espacenet_550x310px_0.jpg?itok=JechC4Qq)
Espacenet - patent search
Espacenet offers free access to tens of millions of patent documents worldwide. It contains information about inventions and technical developments from the 19th century right up to today.
![Advanced search field and text on red background](/sites/default/files/styles/ratio_16_9/public/inline-images/Technical_Info%20-Global%20Patent%20Index-%20card%20image%20-%20550x310px.jpg?itok=TgCO1n8-)
Global Patent Index
GPI is an online tool that enables you to perform expert patent searches.
Find out more about Global Patent Index
![The word "publish", arrows pointing downwards from it to different documents and cursor on blue background.](/sites/default/files/styles/ratio_16_9/public/inline-images/Technical_Info%20-European%20Publication%20Server-%20card%20image%20-%20550x310px.jpg?itok=GG8iVgro)
European Publication Server
Free online access to all the European patent documents published by the EPO
Find out more about the European Publication Server
![Document on yellow background with magnifying glass](/sites/default/files/styles/ratio_16_9/public/inline-images/Technical_Info%20-EP%20full-text%20search%20-%20card%20image%20-%20550x310px_0.jpg?itok=qLgGB9YL)
EP full-text search
This free-to-use online tool gives you access to European patent applications and granted patents.