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Mark Hanna Lawyers
Mark Hanna cover
Mark Hanna

Mark Hanna

Principal Mark Hanna Lawyers

Sydney, NSW
Contact us

About Mark

Mark Hanna is the Principal of the firm and is recognised among his peers as a persuasive advocate known for innovative thinking. Clients appreciate his approachable and personable manner, noting his attentiveness and commitment to achieving favourable outcomes. Mark's legal experience spans several areas, with notable involvement in major cases. He acted as instructing solicitor in the landmark High Court case Kirk v Industrial Relations Commission; Kirk Group Holdings Pty Ltd v WorkCover Authority of New South Wales [2010] HCA 1, which has become a key precedent in Australian law and described as one of the most significant decisions in recent times. He also played an important briefing role in The Church of the New Faith v Pay Roll Tax Commissioner of Victoria, a High Court case that established the legal criteria for defining religious institutions in Australia. This decision has been influential internationally, cited in judgements across Europe, the United States and Commonwealth countries. Over the past decade, Mark has increasingly focused on matters involving family law, family provision and estate law, including litigation in these areas. He is regularly invited to present at legal conferences across Asia and was honoured to speak at the 2017 World Conference on Family Law and Children's Rights in Dublin, where he addressed surrogacy issues.

Practice areas

Estate Planning
Family Law
Litigation & Disputes

Resume

Experience

Tribunal Member

Tribunal Member

NSW Civil and Administrative Tribunal

Jan 2025 - Present • 1 year 10 months

Member, ACT Civil and Administrative Tribunal

Member, ACT Civil and Administrative Tribunal

Australian Capital Territory Civil and Administrative Tribunal

Nov 2022 - Present • 4 years

Principal

Principal

Mark Hanna Lawyers

Jun 2012 - Present • 14 years 5 months

Solicitor, Family Law Litigation Section

Solicitor, Family Law Litigation Section

NSW Legal Aid, Family Law Litigation Section

Sep 2011 - Mar 2012 • 6 months

Solicitor

Solicitor

Ron Clapham Solicitor

Aug 2010 - Sep 2011 • 1 year 1 month

Litigation specialist

Litigation specialist

David Lardner Lawyers

Feb 2009 - Aug 2010 • 1 year 6 months

Education

Practical legal Training

Practical legal Training

College of Law Sydney

Bachelor of Laws (LL.B.)

Bachelor of Laws (LL.B.)

University of Sydney

Master of Media Practice

Master of Media Practice

University of Sydney

Law (scholarship), Chinese Corporate Law, Environmental Law, Islamic Law

Law (scholarship), Chinese Corporate Law, Environmental Law, Islamic Law

National University of Singapore

Contact information

Sydney, NSW

Level 21, 133 Castlereagh Street, Sydney, NSW 2000Website

Practice certificate

Name
Mark Neil Hanna
Certification type
Principal of a law practice
Class
Law Practice
Region
CITY OF SYDNEY

Last checked: 15 May 2026 • Checked with The Law Society of NSW

Practice areas

Estate Planning
  • Estate Disputes
  • Wills and Estates
Family Law
  • Children's Law
  • Divorce and Separation
  • Parenting and Child Support
  • Property and Financial Settlement
  • Provision Claims
Litigation & Disputes
  • High court