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Sarah Gilkes

Special Counsel – Intellectual Property

Sarah is an experienced intellectual property and commercial lawyer, focused on the protection and commercialisation of IP and technology assets. In the challenging world of fast-paced technological development, she works with innovators and visionaries at all stages of the IP life cycle to build commercialisation pathways, ensure business priorities are upheld, and achieve growth targets in domestic and international markets.

Sarah acts for clients across a broad range of industries, including technology, manufacturing and entertainment. She is particularly skilled in the technology and digital sectors, with her experience including SaaS, eCommerce, IoT and distributed ledger technologies. She also acts in corporate transactions relating to the transfer and funding of IP assets, including mergers and acquisitions and private equity / venture capital investments.

Throughout her career she has held numerous advisory and Board positions for start-up companies, SMEs and not-for-profit organisations, and has also represented a number of high-profile performers and sportspeople on IP matters.

Prior to joining Hamilton Locke, Sarah worked for IP specialist firm, mdp Law. She has also worked in-house at the University of New South Wales in its Division of Enterprise, and began her legal career with Ryan Lawyers (now part of Withers Worldwide SBL).


Intellectual Property; Technology; Corporate and Commercial Law; Competition and Consumer Law



  • LL.M, LL.B, B.A. (Hons) – University of New South Wales
  • Admitted to practice in New South Wales and Victoria



  • Acted for Australia’s leading provider of fuel analytics software and related field services, including intellectual property protection, managing international licensing and commercialisation contracts with partners across 20+ countries, and leading patent infringement litigation in the Federal Court of Australia.
  • Acted for a disruptor in the packaging industry who developed a new manufacturing process for expandable polystyrene boxes, including advising on intellectual property protection and commercialisation strategies, and acting in transactions with licensees and suppliers throughout Asia, Europe and the USA.
  • Acted for one of Australia’s leading providers of cybersecurity in the telecommunications sector, including advising the company on intellectual property protection strategies, and running large scale supply transactions with national telco customers and government agencies.
  • Acted for the University of New South Wales as inhouse counsel in its Enterprise division, negotiating technology transfer and commercialisation agreements with key industry and government partners.
  • Acted for one of Australia’s most well-known performing artists in a multi-jurisdictional trademark dispute with a prominent US television personality.