Espacenet

Espacenet (formerly stylized as esp@cenet)^[1]^[2] is a free online service for searching patents and patent applications. Espacenet was developed by the European Patent Office (EPO) together with the member states of the European Patent Organisation. Most member states have an Espacenet service in their national language, and access to the EPO's worldwide database, most of which is in English. In 2022, the Espacenet worldwide service claimed to have records on more than 140 million patent publications.^[3]

^ esp@cenet is a trademark of the European Patent Organisation (see community trade marks No: 001123876, 000881896, 000881813 at EUIPO).
^ The "@" in esp@cenet – an old friend retires Archived 2 February 2020 at the Wayback Machine, Patent Information News issue 1/2011, March 2011, p. 5.
^ "Espacenet patent search". EPO web site. European Patent Office (EPO). Retrieved 22 October 2022. Espacenet is accessible to beginners and experts and is updated daily. It contains data on more than 140 million patent documents from around the world.

[1] esp@cenet is a trademark of the European Patent Organisation (see community trade marks No: 001123876, 000881896, 000881813 at EUIPO).

[2] The "@" in esp@cenet – an old friend retires Archived 2 February 2020 at the Wayback Machine, Patent Information News issue 1/2011, March 2011, p. 5.

[3] "Espacenet patent search". EPO web site. European Patent Office (EPO). Retrieved 22 October 2022. Espacenet is accessible to beginners and experts and is updated daily. It contains data on more than 140 million patent documents from around the world.

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