Ann: Hazer Intellectual Property Update, page-14

“The majority of SMEs and private inventors were found to file innovation patent applications once and never again, do not receive any enforceable right, and let their patent expire early because they see its value at less than the $110-$220 cost of renewal. Overall the report concludes that “the innovation patent is not fulfilling its policy goal of providing an incentive for Australian SMEs to innovate, and the evidence shows a reduced likelihood of patenting after participating in the innovation patent system”.
https://frankehyland.com.au/the-economic-impact-of-innovation-patents/