[8] In May 2018, the party applied to the AEC for registration for federal elections as "Reason Australia",[9] which was approved on 30 August 2018.

[11] In December 2020 it was announced that Patten would enter a coalition with independent Mildura MP, Ali Cupper who sits in the Legislative Assembly.

[15][16] In 2017, Patten renewed calls for a pilot program of a safe injecting room in North Richmond, in response to a large increase of Victorian drug-related deaths in the last several years.

[17][18] In the first session for the Legislative Council of the year, she introduced the Drugs, Poisons and Controlled Substances Amendment (Pilot Medically Supervised Injecting Centre) Bill 2017.

[33][34] However, in the lead-up to the 2018 state election, Fiona Patten had a falling out with Glenn Druery due to his new conflict of interest as chief-of-staff to Federal Senator, Derryn Hinch, who was running candidates in the election and receiving favourable preferences due to Druery's private business dealings as the "preference whisperer".