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Who we are
Griffith Hack is one of Australia’s leading providers of intellectual property services. For over 120 years, our multi-disciplinary team of patent attorneys, trade marks attorneys and intellectual property lawyers have partnered with organisations and individuals to identify, protect and realise the value of their ideas and innovations.
Griffith Hack comprises the companies GH PTM Pty Ltd and GH Law Pty Ltd, which are owned by IPH Limited, a public company that is the holding company for an international network of intellectual property professional services and adjacent businesses which operate under different brands in a range of jurisdictions (each a “Group Business”). The other Group Businesses within the IPH Limited group are AJ Park, ROBIC, Smart & Biggar and Spruson & Ferguson.
For the purposes of the Australian and New Zealand Code of Conduct for Trans-Tasman Patent and Trade Marks Attorneys 2018, GH PTM Pty Ltd is an incorporated registered patent and trade mark attorney, and a member of an ‘ownership group’ within the meaning of the Code. For further information, see Ownership Group and our Group Relationship Statement.
- IP has the power to impact your organisation's entire ecosystem, so we target every aspect.
- Our experts have experience and technical expertise across a diverse range of industry sectors.
- We protect and grow your IP in Australia, New Zealand and across key international markets.
Business Insights
Insights Jul 15, 2026
Calix and ZESTY: Scaling zero-emissions steel through platform technology and IP
Decarbonising heavy industry requires more than incremental improvements, it demands fundamentally new process technologies that can be deployed rapidly and at scale. With IP at the core of their practice, Griffith Hack client Calix is addressing this challenge through the development of its platform flash calcination technology designed to transform how industrial heating and mineral processing are performed.
Read moreBehind the designs boom – Why looks matter in modern IP protection
The numbers are hard to ignore. Australian foreign design filings reached a record 2,487 applications in 2024, up 7.8% on the prior year. Meanwhile, domestic filings hit record levels in 2025. Meanwhile, the US Patent and Trade Mark Office issued 10% more design patents in 2025 compared to the prior year.
Read moreEdith Hamilton and Amanda Stark named leading IP strategists in IAM Strategy 300, 2026
This year Amanda Stark joins Edith Hamilton as one of the world’s leading IP strategists, with both Griffith Hack principals earning a place in the IAM Strategy 300, 2026 edition. Edith continues her previous recognition, with this being her fourth year of inclusion in the list.
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