Mark Hanna
Mark Hanna cover
Mark Hanna

Mark Hanna

Principal Mark Hanna Lawyers

location
Sydney, NSW
Click to Reveal Phone Number(02) 800..
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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

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Resume

Experience

Tribunal Member
Tribunal Member
NSW Civil and Administrative Tribunal
Jan 2025 - Present · 7 months
Member, ACT Civil and Administrative Tribunal
Member, ACT Civil and Administrative Tribunal
Australian Capital Territory Civil and Administrative Tribunal
Nov 2022 - Present · 2 years 9 months
Principal
Principal
Mark Hanna Lawyers
Jun 2012 - Present · 13 years 2 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
1970
Bachelor of Laws (LL.B.)
Bachelor of Laws (LL.B.)
University of Sydney
1970
Master of Media Practice
Master of Media Practice
University of Sydney
1970
Law (scholarship), Chinese Corporate Law, Environmental Law, Islamic Law
Law (scholarship), Chinese Corporate Law, Environmental Law, Islamic Law
National University of Singapore
1970

Contact Information

Sydney, NSW

LocationLevel 21, 133 Castlereagh Street, Sydney, NSW
Click to Reveal Phone Number(02) 800..

Practice Certificate

Name
Mark Neil Hanna
Certification type
Principal of a law practice
Class
Law Practice
Region
CITY OF SYDNEY
CheckLast checked: 8 Jun 2025
Checked with the The Law Society of NSW

Practice Categories

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