Portugal joins IP Registers
The addition of the National Institute of Industrial Property of Portugal (INPI) to the IP Registers in Blockchain on 31 July adds over 571 thousand trade marks and over 58 thousand designs to the network. This brings the total of offices participating in the project to eight with a total of six million records representing trade marks and designs.
情報源: Portugal joins the IP Registers in Blockchain – EUIPO
ブロックチェーンのIPレジスター, 2:21 
The IP Register in Blockchain
IP Register in Blockchain
欧州連合知的財産庁(EUIPO) 商標_動画(リンク) vol.11