
John De La Hoyde serves as a Director at Madison Marcus, demonstrating a comprehensive expertise in commercial litigation and dispute resolution. Since being admitted to the legal profession in 2013, John has accumulated extensive experience handling complex commercial disputes, injunctions, construction and property litigation, with a particular focus on commercial resolution and protecting brand integrity. His clientele includes prominent figures in media, pharmacy, financial services, and several other sectors, whom he has represented in high-stakes litigation across various courts including the Federal Court of Australia and the Supreme Court of New South Wales. John has been involved in significant cases, such as a high-profile multi-party proceeding in the Supreme Court of NSW, dealing with a multi-million-dollar fraud involving an employed solicitor. He achieved a successful outcome for a transportation company in a professional negligence and deceit claim, securing a multi-million-dollar judgment and defending an appeal. Additionally, he represented an international pharmaceutical firm in a federal court dispute over a comparative advertising campaign and successfully obtained a Mareva order for an international office space services company in a fraud case against a former employee. John's legal journey began after completing his Bachelor of Laws and Bachelor of Commerce at Macquarie University, followed by a Graduate Diploma of Practical Legal Training from The College of Law Australia. His professional tenure at Madison Marcus has seen him advance from a solicitor to senior roles, contributing significantly to the firm's success in various complex legal matters.

Director
Madison Marcus
Jul 2022 - Present • 4 years 4 months

Partner
Madison Marcus
Jul 2020 - Jul 2022 • 2 years

Senior Associate
Madison Marcus
Jul 2019 - Jul 2020 • 1 year

Senior Associate
HWL Ebsworth Lawyers
Jul 2018 - Jul 2019 • 1 year

Associate
HWL Ebsworth Lawyers
Mar 2017 - Jun 2018 • 1 year 3 months

Solicitor
Madison Marcus
May 2015 - Mar 2017 • 1 year 10 months

Solicitor
Madison Marcus
Oct 2013 - Jun 2014 • 8 months

Graduate Diploma of Practical Legal Training
The College of Law Australia
2013

Bachelor of Laws (LLB), Bachelor of Commerce (BCom)
Macquarie University
2008 - 2012
Last checked: 4 May 2026 • Checked with Law Society of NSW