Gregg Sivyer

Stephen practises in construction and infrastructure matters, specialising in construction litigation, arbitration, expert determination and BCIPA claims. Stephen has significant major international and local project experience across the commercial construction, mining and road infrastructure sectors. He specialises in dispute avoidance and resolution with extensive experience in mediation, arbitration, expert determination, litigation and claims under the security for payment legislation na...

Kirsten Van Der Wal is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence. Kirsten, 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 Kirsten is held by other top lawyers in the same geographic and legal practice area.

Brett Hartley is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Brett, who practices law in Brisbane, Australia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brett is held by other top lawyers in the same geographic and legal practice area.

Kathleen is a Partner practising exclusively in Family and Relationship law. Kathleen has extensive experience advising on relocation matters, international disputes, family violence and general parenting issues that arise upon the breakdown of a relationship. Kathleen advises clients on the financial issues arising upon a separation and ensures settlements are finalised as quickly as possible. As an Accredited Specialist (Family Law), as well as a responsive and accomplished practitioner, Ka...

Langton Clarke is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Investment Funds. Langton, who practices law in Brisbane, Australia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Langton is held by other top lawyers in the same geographic and legal practice area.

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.

Scott Guthrie draws on his more than 25 years’ of expertise to advise clients in the finance, insolvency and property industries. A significant part of Scott’s practice involves acting for various stakeholders in the unsecured and secured insolvency market. Scott regularly advises and acts for receivers, liquidators, administrators and bankruptcy trustees in identifying, preserving and recovering assets for secured and unsecured creditors. Scott also represents directors and compa...

Eugene has over 28 years’ experience practising corporate and commercial law. Eugene’s range of industry experience includes energy (particularly renewable energy) and resources projects, mining services, agribusiness, manufacturing, private equity, financial services, technology commercialisation, property development, and franchising. Eugene’s areas of expertise are: Corporate finance – equity capital markets, public market floats, securities and financial services l...

Ben Coogan practises in all areas of intellectual property law including agreements and disputes, information technology, privacy, confidential information, competition and consumer law, and litigation. In addition to his intellectual property law experience, Ben is also an experienced practitioner in the area of defamation and media law. Ben has considerable specialist litigation and prosecution experience in patent, copyright, trade mark, designs, and confidential information matters. Ben&r...

David Grace is a top attorney recognized by Best Lawyers in the practice area(s) of Agriculture and Rural Affairs, Commercial Law, Competition Law, Corporate / Governance Practice and Corporate Law. David, who practices law in Brisbane, Australia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.