Justin O'Callaghan

Richard Leahy is the Legal Practitioner Director of Cochrane Leahy Litigation. Richard was a partner in an award winning, national firm, practising in commercial and insurance litigation. Identifying a gap in the Queensland legal market, he has now created his own boutique commercial litigation firm, with an emphasis on expert but commercially pragmatic service for businesses and individuals.

Areas of Expertise Mark is a Partner in Holman Webb's Insurance practice group in Brisbane and has over 15 years’ experience in insurance litigation. He has extensive experience in personal injury, property damage claims and public and product liability claims in both Queensland and New South Wales. Mark’s past experience includes working as a national claims manager with responsibility for a claims portfolio of over 800 claims, giving Mark a unique understanding of the requiremen...

Katrina acts for clients across life sciences, medical devices, health, information technology, energy and resources, government and university sectors. Her corporate clients range from startups and spinout companies to publicly listed and international companies. She has over 25 years of practice as a Partner in the Intellectual Property, Information Technology and Regulatory team. Katrina advises on licensing and commercialisation of IP, trade mark prosecution and oppositions, IP ownership ...

Hayden acts for well-known software vendors, organisations undertaking complex technology projects, Federal and State government agencies, and clients across fintech, defence-tech, medtech and artificial intelligence. He also advises clients in regulated industries including health and aged care, education and financial services on technology, privacy and security risks. He holds law and IT qualifications. Hayden advises on complex IP and technology transactions, ICT procurement (including un...

My practice is focussed on intellectual property law, competition and consumer law, health and life sciences, major procurement and regulatory and compliance advice. I work closely with senior management and in-house legal teams in a diverse range of private, public and overseas corporations, leading universities and their technology transfer offices and life sciences companies.

Jennifer Douglass is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Jennifer, who practices law in Brisbane, Australia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer is held by other top lawyers in the same geographic and legal practice area.

Chris Ward is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution and Family Law Mediation. Chris, who practices law in Brisbane, Australia, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chris is held by other top lawyers in the same geographic and legal practice area.

Charles Sweeney is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Law, Corporate Law and Mergers and Acquisitions Law. Charles, who practices law in Brisbane, Australia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles is held by other top lawyers in the same geographic and legal practice area.

Don is one of the senior partners in HopgoodGanim Lawyers' property practice and leads our work across residential and mixed-use developments including community title projects and other commercial property transactions. Don’s experience includes acting for property developers, banks and managers such as Aria Property Group, Gurner, Sunland Group, St George Bank and Balmain Asset Management in acquiring development sites, establishing community title schemes and selling proposed lots. D...

Andrew acts for principals, contractors, subcontractors, engineers, architects and other consultants across Queensland and nationally. His clients include major JV contractors, resources sector participants and infrastructure delivery entities. He leads the Queensland construction team at Thomsons and is based in Brisbane. Andrew advises on construction and engineering matters from the front end through to complex dispute resolution. He acts in litigation, arbitration, expert determination an...