Maintenance of the UPC CMS pre-production environment is ongoing Maintenance of the UPC CMS Pre-production environment is ongoing. It will be unavailable from Monday March 27 from 9:00 am to Wednesday March 31 till 2:00 pm. We are performing maintenance on the UPC CMS pre-production environment (cerus.unified-patent-court.org) on Monday 27 March.It will be unavailable from Monday March 27 from 9:00 am to Friday March 31 till 6:00 pmWe thank you for your understanding. UPC IT team.