David Hirst

BSc (Physics), PhD
Patent Advisor
Terry IP Patent Attorneys Limited

E: david.hirst@ellisterry.com
D: +64 4 894 8315

Specialist Areas

Patents, designs, copyright


Optics, physics, electronics, software, mechanics


  • Prior art searching
  • Novelty and validity analysis
  • Prosecuting patent applications
  • Patent drafting


David started his career in experimental laser physics before moving to industry.

In the ensuing 20 years he has worked in New Zealand, Australia and the UK for research labs, small start-ups and large multi-nationals, in a variety of roles ranging from production line setup and project management through to opto-electronic test equipment design and manufacture.

He brings this practical experience to his new role at Ellis Terry.