Yes well aware of the patent system and how it works just curious as to why TV2 don't have any and they let them lapse. I cant find any in Nick, TV2 or Talico's name either, even in Singapore.
http://www.ipaustralia.com.au/applicant/tv2u-pty-ltd/patents/
https://www.ip2.sg/RPS/WP/CM/SearchSimpleP.aspx?SearchCategory=PT