Peter Breen serves as the Principal, bringing extensive expertise in media and defamation law. He is renowned for his contribution to the literary world, having authored several books, including the best-selling ‘The Book of Letters’ published by Allen & Unwin. His work focuses on assisting writers and publishers in achieving their objectives. With his background as a former member of the Legislative Council of the New South Wales Parliament, Peter maintains a vested interest in laws safeguarding free speech, cultural diversity, and environmental preservation. He has a notable track record of representing clients in defamation and media cases, often referred by organisations such as the Environmental Defenders Office and the Lock the Gate movement. His authoritative publication, ‘Defamation and Protecting Reputation’, is a comprehensive guide for navigating defamation cases, catering to both lawyers and self-represented litigants. The guide also delves into related legal areas, including privacy, breach of confidence, and injunctive relief.
Last checked: 12 Jul 2026 • Checked with Law Society of NSW
