Jeff Marhinin

Partner Family Law
Accredited Specialist


Jeff is an Accredited Family Law Specialist who has practised exclusively in family law for over 19 years.  Jeff has assisted and represented clients across the spectrum of family law issues with a special focus on more substantial and complex property settlement cases, parenting disputes, relocation matters, spouse maintenance and child support issues.

Jeff is a skilled advocate with an eye for detail, which assists greatly when being involved in matters involving corporate and trust structures, and cases involving high net worth individuals. Jeff is a practitioner who understands the importance of clearly communicating with clients, and adopts a pragmatic and cost effective approach to the resolution of family law disputes. Jeff’s training in law, science/psychology and alternative dispute resolution assists him to successfully serve clients in ways best suited to their matter and with patience and empathy.

Jeff is a qualified family law arbitrator registered with AIFLAM, and has undertaken various family law financial arbitrations.  Jeff is regularly asked to present at conferences and seminars and has appeared in the media when family law issues have involved public debate and consideration.

Doyle’s Guide to the Australian Legal Market” has ranked Jeff as the following:

“Leading” Family and Divorce Lawyers in Sydney in 2018, 2019 and 2020

“Leading” Family and Divorce Lawyers (High-Value & Complex Property Matters) – New South Wales, 2018

“Recommended” Leading Family Lawyers (High-Value & Complex Property Matters) – New South Wales, 2019

“Recommended” Family Lawyers Australia wide 2019 and 2020

“Recommended” Leading Family Lawyers in Sydney in 2016 and 2017




Bachelor of Laws (First Class Hons.) – The University of Sydney

Bachelor of Science – The University of Sydney

Accredited Specialist – Family Law (NSW)

Admitted to practice in the NSW Supreme Court

Admitted to practice in the High Court of Australia

Collaborative Law

Mediation Style Conference Chair (AIFLAM)


The Law Society of New South Wales

The Law Council of Australia – Family Law Section

The Australian Institute of Family Law Arbitrators and Mediators

Collaborative Professionals (NSW) Inc.


  1. Author – “How to Run a Goode Interim Hearing”
  2. Author – “Balancing our professional duties & impacting family law culture – A practical guide”


Jeff’s opinion has been sought for inclusion in media publications, and he has appeared on radio and national television programs, to discuss topical family law issues. He is also invited to speak about family law to professional associations and community groups.