The Register for unitary patent protection UP Register contains all particulars referred to in Rule 16(1) UPR for European patents for which unitary effect is requested the entries that are expressly but not exhaustively listed in Regulation (EU) No 1257/2012, in particular the fact that unitary effect has been registered and the date of that registration, as well as any limitation, licence, transfer, revocation or lapse of a Unitary Patent (see also Art. 9(1) Regulation (EU) No 1257/2012 and Rule 1(1) UPR).
The Register for unitary patent protection UP Register can be accessed free of charge via the EPO website (epo.org). See also 7.6.68.8.6.