"The World Intellectual Property Organization (WIPO) is the United Nations agency dedicated to the use of intellectual property (patents, copyright, trademarks, designs, etc.) as a means of stimulating innovation and creativity."
Espacenet contains more than 70 million patent documents from approximately 90 countries and regional patent offices, plus more than 2 million non-patent literature references. Year coverage varies by country. The Espacenet search interface is available in a variety of languages. It also provides access to the INPADOC Legal Status and Patent Family information, and provides a Common Citation Document.
Covers 8 million worldwide patents and patent applications along with patent family information.