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Patents and Trademarks: World

Databases, Information Resources, National Offices.

World Intellectual Property Organization

"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.

The Lens (formerly PatentLens)

Covers 8 million worldwide patents and patent applications along with patent family information.