然而,Opt-out儘管需由前段所述之資格人等共同提出,但實務上,官方資料庫不見得能正確反映實際EP案所有權人及其代理人資料,所以按UPC Case Management System這套官方申請系統的設計,非官方記錄的EP案所有權人及其代理人仍可請求Opt-out。因此,為預防萬一,建議所有權人注意監控自家EP案件,要是發現自家EP案莫名其妙有Opt-out記錄,可先釐清是否是共同所有權人在未知會相關單位、未取得全部利害關係人共識的情況下擅自辦理?若真是有第三方錯填案號資料,UPC開始接受Opt-out申請前,會先擬妥更正辦法,讓這類烏龍事件有更正機會。
Decision of the President of the European Patent Office dated 22 December 2021 concerning the forthcoming introduction of the Unitary Patent and the possibility of requesting a delay in issuing the decision to grant a European patent in response to a communication under Rule 71(3) EPC,請見https://www.epo.org/law-practice/legal-texts/official-journal/2022/01/a4.html。 Notice from the European Patent Office dated 22 December 2021 concerning the forthcoming introduction of the Unitary Patent and the possibility of requesting a delay in issuing the decision to grant a European patent in response to a communication under Rule 71(3) EPC,請見https://www.epo.org/law-practice/legal-texts/official-journal/2022/01/a5.html。