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Reddit, Inc. v Commonwealth of Australia & Anor

Case No. S166/2025
Case information

Catchwords

Constitutional law – special case – Online Safety Act 2021 (Cth) Pt 4A – requirements in relation to providers of certain kinds of social media platform taking reasonable steps to prevent users under 16 years of age from having accounts – whether Pt 4A invalid wholly or in part because it impermissibly burdens the implied freedom of political communication.

Case Summary

Download a brief summary of the case

November 2026 (155.29 KB)
Documents
12/12/2025 Application for Constitutional or other writ 
26/03/2026 Order of Gageler CJ
12/05/2026 Order of Gageler CJ
12/06/2026 Order of Gageler CJ
03/07/2026 Order of Gageler CJ
22/07/2026 Special Case (jointly with S163/2025)
29/07/2026
Order referring to Full Court (S166/2025) (645.39 KB)
28/08/2026
Written submissions (Plaintiff) (865.91 KB)
28/08/2026
Chronology (Plaintiff) (455.18 KB)
11/09/2026
Written submissions (Free Speech Union, seeking leave to be heard as amicus curiae) (562.03 KB)
11/09/2026
Written submissions (NetChoice and the Electronic Frontier Foundation, seeking leave to be heard as amici curiae) (548.19 KB)
25/09/2026
Written submissions (Defendants) (620.88 KB)
09/10/2026
Written submissions (Attorney-General for the Australian Capital Territory, intervening) (990.62 KB)
09/10/2026
Written submissions (Attorney-General for the State of South Australia, intervening) (364.47 KB)
09/10/2026
Written submissions (Attorney-General for the Northern Territory, intervening) (550.08 KB)
09/10/2026
Written submissions (Attorney-General for the State of Tasmania, intervening) (502.76 KB)
09/10/2026
Written submissions (Attorney-General of the State of Queensland, intervening) (431.9 KB)
09/10/2026
Written submissions (Attorney-General for the State of Victoria, intervening) (534.04 KB)
09/10/2026
Written submissions (Attorney-General for the State of Western Australia, intervening) (493.45 KB)
09/10/2026
Written submissions (Attorney-General for the State of New South Wales, intervening) (460.55 KB)
16/10/2026
Reply (Plaintiff) (445.04 KB)
03/11/2026 Hearing (Full Court, Canberra)
03/11/2026
Outline of oral argument (Plaintiff) (376.65 KB)
03/11/2026
Outline of oral argument (Defendants) (392.97 KB)
04/11/2026 Hearing (Full Court, Canberra)
04/11/2026
Outline of oral argument (Attorney-General for the Australian Capital Territory, intervening) (380.87 KB)
04/11/2026
Outline of oral argument (Attorney-General for the State of South Australia, intervening) (406.64 KB)
04/11/2026
Outline of oral argument (Attorney-General for the Northern Territory, intervening) (389.46 KB)
04/11/2026
Outline of oral argument (Attorney-General for the State of Tasmania, intervening) (383.06 KB)
04/11/2026
Outline of oral argument (Attorney-General of the State of Queensland, intervening) (661.19 KB)
04/11/2026
Outline of oral argument (Attorney-General for the State of Victoria, intervening) (417 KB)
04/11/2026
Outline of oral argument (Attorney-General for the State of Western Australia, intervening) (390.83 KB)
04/11/2026
Outline of oral argument (Attorney-General for the State of New South Wales, intervening) (359.94 KB)