http://patentblog.kluweriplaw.com/2022/10/07/upcapril2023/ 

The Unified Patent Court will finally become a reality, open its doors and start to receive cases from 1 April 2023. This is announced in the implementation roadmap, which was published yesterday by the UPC preparatory team and depicts all the key activities and milestones of the UPC in the coming months.

The roadmap also indicates the Sunrise period will start on 1 January 2023. The following ‘Global milestones’ are mentioned:

Recruitment activities will be:

Case Management System activities and milestones: