About Us

Peter Breen

Peter Breen is an experienced media and defamation lawyer. He is also the author of several books including his best-selling ‘The Book of Letters’ published by Allen & Unwin. Peter assists writers and publishers to achieve their common goals.

As a former member of the Legislative Council of the New South Wales Parliament, Peter has an ongoing interest in laws protecting free speech, cultural diversity and the natural environment. He has acted in defamation and media cases referred by the Environmental Defenders Office and the Lock the Gate movement.

Peter is the author of ‘Defamation and Protecting Reputation’, a complete guide to acting in defamation cases whether as a lawyer or self-represented litigant. The guide covers related areas of the law including privacy, breach of confidence, injunctive relief, injurious falsehood and misleading and deceptive conduct.

The defamation practice guide is published by legal publisher ByLawyers and is available at:

A copy of the guide without precedents is available for preview (and may be useful for prospective litigants) at:

A review of defamation law is currently underway and a copy of Peter’s submission to the review is available at: