No additional documents are published in respect of a Unitary Patent. A certificate is sent to the Unitary Patent proprietor once unitary effect has been registered.
Unitary Patents are assigned a specific identifier ("C0") in the Register for unitary patent protection In the UP Register (see 8.8.17.6.1), the European Patent Bulletin (see 7.6.2) and the data sets provided by the EPO, making them easy to identify in the EPO’s a blue icon and a "C0" marker next to the publication number signals those patents for which unitary effect has been requested or registered. The "C0" marker also makes them easy to identify in the EPO’s patent information products and services such as Espacenet and the Global Patent Index. For further information, refer to the dedicated Unitary Patent page on the EPO website see the EPO website (epo.org).