Mark Williams

Special Counsel
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With 25 years of experience and a background in computer science, Mark is a top-ranked patent attorney who specializes in drafting and enforcing rights for complex technologies ranging from software and electronics to drones and mining hardware.

Service Areas

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Mark’s academic background is in computer science and electrical engineering. He assists clients in obtaining and enforcing their intellectual property rights in the areas of software, electronics and engineering.

Prior to joining Phillips Ormonde Fitzpatrick, Mark worked for a leading automotive manufacturer.

Mark has 25 years’ experience in patent practice in Australia. His professional practice focuses on drafting, prosecuting and enforcement of patent rights both in Australia and overseas. Mark focuses on a diverse range of inventions, including electronic devices, mining and mining hardware, drones and weaponry, computer implemented inventions and electronic gaming machine systems.

Mark has been recognised in Patent 1000 ranking: The World’s Leading Patent Professionals 2025 edition.

Expertise & Experience

  • Mechanical Engineering
  • Electrical Engineering
  • Electronic Engineering
  • Physical & Computer Sciences
  • Emerging & Interdisciplinary

Qualifications

  • BCSE(Hons) MIP FIPTA

More about Mark

Countries lived in

Ireland, Australia

Best holiday

Kingdom of Bhutan

Tech I can’t live without

Boss TU-2

I joined POF in

2002

Related news and insights

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High Court refuses special leave to the Commissioner of Patents for patentability of computer‑implemented inventions in Aristocrat ’25

Today, the High Court of Australia has dismissed an application for special leave to appeal from Aristocrat Technologies Australia Pty Ltd v Commissioner of Patents [2025] FCAFC 131.
Mark Williams

5 February 2026

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PCT application searching on the world stage

Understanding IP Australia’s updated PCT agreements with WIPO. Learn how choosing an alternative ISA/IPEA can benefit your international patent strategy.
Mark Williams

14 August 2023

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Ray of (physical and tangible) hope for Computer Implemented Inventions

Following the Aristocrat split, the Federal Court’s UbiPark v TMA Capital decision provides fresh hope for patenting computer-implemented inventions.
Mark Williams

11 August 2023

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Is DAS. Is good.

What is a DAS code? Explore how the WIPO Digital Access Service simplifies the retrieval of priority documents across more than 30 global jurisdictions.
Mark Williams

1 September 2021

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