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20 September 2025

The Hannah Thomas Case: A Test of Civil Liberties and Police Accountability

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O'Brien Criminal & Civil Solicitors

Contributor

O’Brien Criminal and Civil Solicitors defend people against criminal charges anywhere in Australia, as well as litigating defamation cases, and suing police and other authorities for unlawful conduct. We are a strong advocate for social justice issues and pride ourselves on our pro-bono practice. We are a growing and dynamic law firm that occasionally has vacancies for people seeking legal careers or administrative opportunities.
Case demonstrates the power of passionate advocacy, the vital role of independent media, and the far-reaching consequences a single case can have on politics, law, and public consciousness.
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The Hannah Thomas case has attracted extraordinary media attention in Australia, intertwining questions of police accountability, challenges to anti-protest laws, and the steadfast legal advocacy of her solicitor, Peter O'Brien.

On 27 June 2025, Hannah Thomas, a former Greens candidate and human rights lawyer, was violently arrested during a peaceful protest in Belmore, Sydney. The demonstration opposed the alleged use of Australian-manufactured components in F-35 fighter jets deployed in Gaza. During the arrest, Thomas sustained a severe eye injury after allegedly being punched in the face by a NSW Police officer. She was subsequently charged by police, a move that civil rights advocates condemned as part of a troubling pattern: individuals injured in encounters with police later being criminalised for the same incidents.

Media Coverage and Legal Response to Hannah Thomas Case

Mainstream outlets including the Sydney Morning Herald, The Guardian, and News.com.au, alongside major television networks, closely tracked developments in the case. As video evidence corroborating Thomas's injuries surfaced, Peter O'Brien issued strong public statements.

He condemned the incident as an example of "gratuitous police brutality" and argued that the charges were "unsustainable." O'Brien signalled the firm's intention to pursuecivil proceedingsagainst the state, advancing claims ofmalicious prosecutionandassault, with the aim of holding officers accountable.

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Broader Legal and Political Dimensions

O'Brien's approach combined robust legal advocacy with active public engagement. His media releases and interviews frequently criticised the NSW Labor Government'santi-protest legislation, which is currently underconstitutional challengefor enabling excessive police powers.

Political leaders, including Sue Higginson MP, echoed these concerns. Higginson called for an independent investigation into the incident and demanded the repeal of laws seen as suppressing democratic rights.

Read more about when all criminal charges against Hannah Thomas were dropped.

Public Support and Grassroots Impact of Hannah Thomas Case

Beyond the courtroom and parliament, Thomas's case gained momentum across social media. Community campaigns and activist groups rallied in her defence, framing the matter as a watershed moment in the fight against heavy-handed protest policing. Influential voices within the legal profession also cited the case as emblematic of broader systemic issues in NSW policing.The case has also provoked a national debate on the limits of police authority, the right to protest, and the erosion of civil liberties.

Thomas's planned civil lawsuit, coupled with calls for disciplinary action against officers, underscores a growing demand for transparency, accountability, and reform within the justice system.

The story of Hannah Thomas and Peter O'Brien has become a rallying point in Australian legal history. It demonstrates the power of passionate advocacy, the vital role of independent media, and the far-reaching consequences a single case can have on politics, law, and public consciousness.

Read our other successful criminal case studies.

Need a Civil Lawyer for Actions Against NSW Police?

If you've experienced police brutality by NSW officer without justification, you may be entitled to compensation. O'Brien Criminal and Civil Solicitors can help.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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