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John Bui is recognised as one of Sydney's leading family law and commercial litigation practitioners. With over a decade of robust experience, John offers a wealth of knowledge in family law and commercial litigation, particularly in cases with an international scope that involve intricate issues related to companies, trusts, partnerships, and valuations. His acumen in these complex areas often sees him sought after for matters requiring detailed expertise. In addition to litigation, John is well-versed in handling issues pertaining to the Hague Convention, adeptly managing cases at both first instance and on appeal. His proficiency in family law extends to his roles as a Nationally Accredited Mediator and Arbitrator. As a Mediator, John leverages his extensive experience to guide effective discussions between parties, facilitating resolutions in parenting and property disputes. As an Arbitrator, he offers his services for parties seeking binding decisions in property disputes. John's later years in practice have seen him refine his abilities as a seasoned trial advocate, assisting clients to adeptly navigate the complexities of courtroom proceedings. Beyond his professional achievements, John is deeply committed to his community, having pioneered charity events supporting Beyond Blue and Autism Awareness Australia. His endeavours in this realm underscore his dedication to making a positive impact beyond the legal sphere.
Nationally Accredited Mediator
National Mediator Accreditation System (NMAS)
Jun 2020 - Present • 6 years 5 months
Nationally Accredited Arbitrator
National Mediator Accreditation System (NMAS)
Aug 2019 - Present • 7 years 3 months
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Principal
JB Solicitors
Aug 2014 - Present • 12 years 3 months
Associate
Kazi Portolesi Lawyers
Dec 2007 - Jul 2014 • 6 years 7 months
Partner
Hire UAI
Dec 2005 - Nov 2009 • 3 years 11 months

Bachelor of Business (BBus Finance) and Bachelor of Law (LLB)
University of Technology Sydney
2005 - 2009
Last checked: 14 May 2026 • Checked with The Law Society of NSW