Peter Semmler QC

Areas of Practice

Common Law, Mediating




MA (Cantab.) Inns of Court School of Law, London
Date of Admission: 1974
Appointed Queens Counsel: 1992


Peter Semmler QC was educated at Cambridge University and the College of Law, London.

He has an MA (Cantab) and is a Barrister-at-Law of the Inner Temple, London.

He has practised at the New South Wales Bar since 1974.  He has a broad, predominantly common law practice.  He has appeared in a number of important High Court appeals including in Wynn v New South Wales Ministerial Corporation (1995) 184 CLR 485, Tame v New South Wales (2002) 211 CLR 317 and Vairy v Wyong Shire Council (2005) 223 CLR 422.  He has also appeared in numerous appeals to the NSW Court of Appeal and to the Full Federal Court as well as in a large number of trials in the Supreme Courts of New South Wales, Victoria, Western Australia and the Australian Capital Territory.

He was appointed Queen’s Counsel in 1992.

He acts on behalf of both plaintiffs and defendants.

In recent years he has acted as mediator in a range of disputes.  He has successfully applied the knowledge he has gained over 46 years of litigation in assisting parties to settle their disputes in an efficient, civilised and cost-effective manner without needing to proceed to court.

He is a former Barrister-Member of the Legal Services Tribunal of New South Wales, and a former Commissioner of the Legal Aid Commission of New South Wales.

Contact via email: or 02 9235 1657

Contact via the clerk.