Currently. the enforcement of a patent that is registered in several countries involves the risk of getting different and conflicting decisions from the national courts. In 2013. 25 European countries entered in an agreement that aims to homogenise the patent system by creating the European patent with unitary effect and a Unified Patent Court (UPC). https://www.spidertattooz.com/Kaiser-Copy-Stand-RS-1-with-RA-1-Arm-40-Counterbalanced-Column-and-18-x-20-Baseboard/