Peter O'Brien

Peter O'Brien is the Principal Solicitor of O'Brien Criminal & Civil Solicitors and Australia's leading expert in intentional torts litigation, with over 25 years of experience securing landmark victories in malicious prosecution and unlawful imprisonment cases. Author of Intentional Tort Litigation in Australia and recipient of the Law Council of Australia President's Medal, Peter has achieved record-breaking compensation for clients and is widely recognised for his unwavering commitment to access to justice.

NSW Consent Laws Explained: What the Affirmative Consent Reforms Mean for Accused Persons

New South Wales overhauled its sexual consent laws in 2021 and brought those changes into effect on 1 June 2022. Four years on, these reforms are reshaping how sexual assault prosecutions run in NSW courts and how accused persons must approach their defence. If you or someone you know is charged with a sexual offence in […]

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The new consent laws in NSW What do they mean

Is Australia’s Social Media Ban For Under-16s A Violation Of Civil Rights?

Australia has made history as the first country in the world to implement a nationwide social media ban for anyone under 16. The Online Safety Amendment (Social Media Minimum Age) Act 2024 took effect on 10 December 2025, requiring platforms including TikTok, Instagram, Facebook, Snapchat, YouTube, X, Reddit, Threads, Twitch, and Kick to take “reasonable

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52 Deaths in Five Years: NSW Police, Mental Health Crises, and a System Under Scrutiny

In the five years to July 2023, NSW Police killed 52 people who were experiencing mental health crises. That figure, reported by AAP following the broadcast of ABC Four Corners’ Brutal Force, has reignited a debate that practitioners in police accountability law have been having for years: when a person is in acute mental health

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O’Brien Criminal & Civil Solicitors Featured on ABC Four Corners: Brutal Force

On Monday 1 June 2026, ABC Four Corners aired Brutal Force, a landmark investigative journalism program examining NSW Police Misconduct. Our Principal Solicitor, Peter O’Brien, appeared as a key expert voice in the program, speaking to the failures of the current police complaint system and the human cost of misconduct that goes unchecked. Four Corners

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Four Corners Exposes Police Assault And Cover-Up: What The Brad Kellson Case Reveals About NSW Police Accountability

Suing NSW Police: A Four Corners investigation broadcast this week has put NSW police misconduct back under a national spotlight, and the details are deeply troubling. The case of Brad Kellson, a man who spent four days in intensive care after being kneed five times in the ribs by a police officer at Blacktown Police

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A man being handcuffed by a police officer on the street beside a police car.

Monash IVF $56 Million Settlement: What It Means For Informed Consent In Fertility Care

In August 2024, Monash IVF agreed to a $56 million settlement, $40 million in compensation plus $16 million in legal costs, to resolve a class action brought by more than 700 patients who alleged the company misled them about the accuracy of an embryo screening test. The case, approved by the Supreme Court of Victoria

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Can NSW Ban Prison for Non-Violent Protesters? Protest Sentencing

A Protest Sentencing bill has been introduced in the NSW Parliament that, if passed, would prohibit courts from imposing a custodial sentence for any non-violent act committed in the course of a demonstration, protest, procession, or assembly. Introduced in the Legislative Assembly in 2025 and progressing through parliament, its passage is not yet certain. However,

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Bondi Junction Inquest Findings: What Coroner’s Report Means For Families And Accountability

Bondi Junction Inquest: On 5 February 2026, NSW State Coroner Magistrate Teresa O’Sullivan handed down her comprehensive findings into the deaths at Westfield Bondi Junction on 13 April 2024. The findings, comprising more than 800 pages, make 23 systemic recommendations and refer the treating psychiatrist to the Health Ombudsman for professional conduct review. This article

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NSW Introduces New Hate Crime Laws Targeting LGBTQIA+ Luring Offences

This week, the NSW Government introduced legislation to Parliament that would create new criminal offences targeting hate‑motivated attacks against the LGBTQIA+ community. The proposed new hate crime laws are significant, and anyone charged under these provisions, or anyone concerned about how they may be applied, needs to understand exactly what has changed. This legislation follows

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