Elspeth Buchanan

B.Met. (Hons), C.Eng., MIMMM, FNZIPA

Registered Patent and Trade Mark Attorney, New Zealand, and Australia

Elspeth graduated from the University of Sheffield with an Honours degree in Metallurgy, and is a Member of the Institute of Materials, Minerals & Mining. She is a Chartered Engineer, and has agricultural experience including farm management, livestock handling and cropping.

Elspeth was selected by Thomson Reuters to write their New Zealand Trademarks Precedents and New Zealand Patents Precedents, ‘how-to’ guides to assist lawyers in all steps of the protection process. She has provided many industry seminars at the request of specific organisations..

  • January 4th, 2015
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Peter Dengate Thrush

B.Sc. (Zoology/Geology) Victoria University of Wellington

LLB. Victoria University of Wellington.

Registered Patent Attorney in New Zealand and Australia.

Admitted as a Barrister and Solicitor in New Zealand and Victoria, Australia.


Peter has over 40 years’ experience in the profession. Peter is a current or past member of the International Bar Association, American Bar Association, International Trade Mark Association, New Zealand Institute of Patent Attorneys, Australian Institute of Patent Attorneys, American Intellectual Property Law Association, Association Internationale pour le Protection de la Propriete Intellectuelle, the North American Company Directors Association, and the Institute of Directors in New Zealand.

  • October 13th, 2024
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Denis Tuffery

B. Sc 1967 Victoria University of Wellington

M. Sc(Hons) Chemistry 1968 Victoria University of Wellington

Registered Patent Attorney, New Zealand and Australia


Denis has spent over 40 years working in the patent field both in New Zealand and Australia; a rewarding career as a partner in one of the leading patent attorney firms in New Zealand followed by patent consultancy roles on key cases for patent attorney firms both in New Zealand and Australia. He was a Council member of NZ Institute of Patent Attorneys 1992 to 1996. President 1997 to 1998. Vice President of NZ group of Asian Patent Attorneys Association (APAA) for 6 years to 1998. Council member for the APAA Headquarters group – 1994 to 1998. On Patents Committee 1988 to 1998. President of AIPPI NZ for 2 years.

  • October 13th, 2024
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