Areas of Expertise

Litigation & Dispute Resolution, Media, Broadcasting & Entertainment, Defamation, Contempt of Court, Administrative Law

John-Paul Cashen is recognised as one of Australia's most prominent media lawyers, with extensive experience in all aspects of media law. He is a specialist in defamation, contempt of court, suppression, privilege, breach of confidence, freedom of information, urgent injunctions and racial vilification claims.

John-Paul is a lawyer who always puts his clients first. Understanding that in litigation most clients are going through challenging times, John-Paul ensures his clients know they are in good hands and can be confident in the advice they are being provided.

John-Paul’s passion for his clients and their work comes from understanding the important role the media plays in society. His deep knowledge of the laws they operate under puts him in the right position to be able to defend media outlets and journalists when their right to free speech is challenged.

He acts for high profile media organisations including News Corp, Channel Nine, Nine-Fairfax newspapers, SBS Australia and Harper Collins. He provides daily prepublication advice on an urgent basis to editors and newsrooms across the country, making difficult and high stakes editorial decisions at all times of the day and night, seven days a week on a 24/7 basis.

What others say

"Leading lawyer in Media Law"
Chambers Guide 2014 - 2024
"John-Paul Cashen is an outstanding lawyer who wants to fight for his clients and excels under pressure. A clutch player. He makes the right calls and understands his client’s needs. I also know silks who view him highly."
Testimonial, Legal 500 Asia Pacific
"John-Paul's level of skill as a practitioner is excellent - whether appearing in court, managing complex litigation or providing timely and accurate advice in a fast-paced media environment."
Client testimonial, Chambers Asia-Pacific
"Lawyer of the Year - Defamation and Media Law - Melbourne"
Best Lawyers Peer Review 2024


The Herald Sun

Acting for The Herald Sun newspaper in a five year campaign to overturn suppression orders in the "Lawyer X" scandal that reached the High Court and appeared in The Royal Commission into the Management of Police Informants in relation to the matter.

"The Teacher's Pet" Podcast

Advising on production of Australia's most downloaded podcast "The Teacher's Pet" about a man accused of murdering his wife more than 30 years ago. Providing extensive prepublication advice through the production phase of the podcast, and dealing with an Australian journalist's involvement in the criminal trial of the accused.

Nine Network, Gold Coast publications, Queensland newspapers, Daily Mail

Acting for the Nine Network, Gold Coast publications, Queensland newspapers and the Daily Mail in a defamation case brought by David Otto. Mr Otto alleged the publications conveyed imputations that he is a con-man and misled vulnerable young women. John-Paul and team ran a four week trial in the District Court of NSW representing the media outlets, in which the clients were successful in every element of the case.

News Corp Australia, Nationwide News

Acting for News Corp Australia and Nationwide News in the successful defence of serious allegations of conduct that contravened s18c of the Racial Discrimination Act 1975 (Cth).

The Australian

Acting for The Australian newspaper and other media outlets in relation to Ben Roberts-Smith Suppression order. Ben Roberts-Smith sued Fairfax Media over a series of allegations in which he was accused of being a war criminal. The Australian Government attempted to suppress a large amount of information relevant to the case on the grounds of Public Interest Immunity and sensitive military information. John-Paul is acting for the media outlets in an attempt to have the material made public.