Tetra had obtained a Swiss patent (1996) and a European patent (1997) for the new technology and by the time of the Original Notification in Tetra I ( 18 May 2001) had filed at least four other patent applications.
Tetra sai uuele tehnoloogiale Hollandi patendi (1996) ja Euroopa patendi (1997) ja enne Tetra-I-menetlusega seotud algteatise esitamise kuupäeva ( 18. mai 2001) oli Tetra esitanud vähemalt 4 uut patenditaotlust.