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Sydney, Australia
Dr. Daniel Sieveking
Principal
Patents: Chemical & Life Science
+61 2 9393 0100 daniel.sieveking@spruson.com
Daniel Sieveking holds a Bachelor of Science with First Class Honours in medical microbiology and immunology from the University of New South Wales. Daniel’s doctoral studies were undertaken at...
Daniel Sieveking holds a Bachelor of Science with First Class Honours in medical microbiology and immunology from the University...
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Sydney, Australia
Daniel Wilson
Principal
Trade Marks
+61 2 9393 0100 daniel.wilson@spruson.com
Daniel Wilson is a registered Australian trade marks attorney. Daniel’s practice covers all aspects of trade mark registration, protection and enforcement in Australia, New Zealand, Papua New Guinea and...
Daniel Wilson is a registered Australian trade marks attorney. Daniel’s practice covers all aspects of trade mark registration, protection...
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Brisbane, Australia
Dr. Doug Horton
Principal
Patents: Chemical & Life Science
+61 7 3011 2200 doug.horton@spruson.com
Doug has more than a decade’s experience in prosecuting and securing Intellectual Property rights and assisting with IP enforcement. His practice predominantly involves working with Australian companies and organisations...
Doug has more than a decade’s experience in prosecuting and securing Intellectual Property rights and assisting with IP enforcement....
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Sydney, Australia
Duncan Longstaff
Principal
Spruson & Ferguson Lawyers: Litigation
+61 2 9393 0100 duncan.longstaff@spruson.com
Duncan is a specialist intellectual property lawyer. He has extensive IP litigation expertise with 15 years in practice. Duncan’s practice focuses on patent disputes, including in the mining/energy, pharmaceutical, biotechnology,...
Duncan is a specialist intellectual property lawyer. He has extensive IP litigation expertise with 15 years in practice. Duncan’s practice...
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Sydney, Australia
Dr. David Hvasanov
Senior Associate
Patents: Chemical & Life Science
+61 2 9393 0100 david.hvasanov@spruson.com
David is an experienced patent attorney, specialising in drafting and prosecuting applications in mining technologies, nanoscale drug delivery systems, plasticisers, paint compositions, pharmaceuticals, clean and cement technologies, and AgTech. David...
David is an experienced patent attorney, specialising in drafting and prosecuting applications in mining technologies, nanoscale drug delivery systems,...
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Sydney, Australia
Debendra Acharya
Patent Engineer
Patents: Engineering
+61 2 9393 0100 debendra.acharya@spruson.com
Debendra holds Bachelor’s Degree in Industrial Engineering from Tribhuvan University, Nepal. His undergraduate degree focused on Mechanical Design and Drafting, Fluid Mechanics and Hydromechanical Engineering, Material Science and Manufacturing...
Debendra holds Bachelor’s Degree in Industrial Engineering from Tribhuvan University, Nepal. His undergraduate degree focused on Mechanical Design and...
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Kuala Lumpur, Malaysia
Doria Elizabeth Au Raj
Trade Mark Executive
Trade Marks
+60 3 2283 1668 doria.raj@spruson.com
Doria has extensive experience in trademark prosecution matters including trademark applications, dealing with office actions, assignments, renewals and other trademark-related issues and has been in practice since 2016. She...
Doria has extensive experience in trademark prosecution matters including trademark applications, dealing with office actions, assignments, renewals and other...
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