[1] Raper's legal career began at the Australian Industrial Relations Commission, where she served as an Associate to Justice Paul Munro.
[2] She was appointed by then Attorney-General Michaelia Cash to the Sydney Registry of the Federal Court following the retirement of Justice Geoffrey Flick.
[1] In October 2022, as a Federal Court judge, Raper presided over a high-profile industrial dispute between the Government of New South Wales and the Rail, Tram and Bus Union.
[3][4][5] A native title claim covering thousands of square kilometres, including agricultural land as well as several small towns along the Barrier Highway in South Australia, was lodged in 2012 by Maureen, Glen, and Dulcie O'Donnell, on behalf of the Wilyakali people.
Native title was finally formally recognised on 28 August 2023, in a decision handed down by Justice Raper.