Greg is a registered patent attorney with a science major in physics, a lawyer and a Fellow of the Institute of Patent Attorneys of Australia. He deals with all aspects of the preparation and prosecution of patent applications including oppositions, patent validity and infringement issues, and the full range of portfolio management advice. Greg is a partner of both Freehills Patent & Trade Mark Attorneys and Freehills.

Technical areas in which Greg has particular expertise include medical and surgical devices, laser and other optical instrumentation, diffraction security devices, x-ray instrumentation, fibre optic devices, LED applications technology, minerals processing, textile processing, general mechanical engineering and fluid mechanics.

Greg has some 25 years’ experience as a patent attorney, and has served past terms as a primary examiner for the Patent Attorneys' Professional Standards Board (for eight years), and as secretary of the Australian section of the International Federation of Industrial Property Attorneys (FICPI). Current professional memberships, in addition to the Institute of Patent Attorneys, include the Institute of Physics, the International Federation of Industrial Property Attorneys, the Licensing Executives' Society, the Asian Patent Attorneys' Association and AIPPI.

Greg is a chapter author of Lahore's Patents, Trade Marks and Related Rights on the subject of patent applications and of the Laws of Australia on the topic, ‘Patents – International Conventions’.

Greg holds a Bachelor of Science (Honours) (majoring in Physics) and a Bachelor of Laws from Monash University, and has completed a Company Directors' Course, through the Institute of Company Directors.