Office established in order to protect inventors by securing exclusive rights to their discoveries for a period of time. USPTO site allows you to search issued patents and applications, file for a patent or trademark, and print forms and publications.

This database lets you access over 75 years of patent descriptions and images. You can search, retrieve, and study more than 1,500,000 patent documents.

This site allows you to search for European patents, view publications, use the toolbox for applicants, and provides information on seminars.

Site accessible by the general public to retrieve basic information that is required under the Patent law to be disclosed in compliance with the principle of the industrial property rights system. This resource contains 100+ million documents of patents, utility models, designs and trademarks and their relevant information that have been published since the end of the 19th century. Basic information in gazettes can also be retrieved and used in English, with the objectives of reinforcing the protection of rights overseas and as an international contribution. Switch to English language by clicking the link in the right upper corner.

This site provides information on searching and applying for patents, trademarks, and copyright in the United Kingdom.