great ideasµ
come to us

Madderns* is a leading Australian Patent and Trade Mark Attorney firm that works with successful businesses around the world to protect their intellectual assets in the Asia Pacific region.


We have the experience, expertise and proven track record to provide the highly specialist, intellectual property services and advice needed to secure, and defend, valuable brands and technology in Australia and throughout the Asia Pacific region, including in China, Japan, Fiji, Malaysia, New Zealand, Papua New Guinea, Singapore and South Korea.

With a vast global client base including global companies, small to medium enterprises, individuals and foreign IP attorney firms, we are adept at meeting the greatly varied needs of our clients. We have in-office Chinese expertise and capabilities that provide us with a unique ability to assist foreign IP firms with their activities in China.

We are driven by the opportunity to contribute to our clients’ successes, and place a high emphasis on developing long-term relationships.

We maintain a very high standard of practice and strive to:

  • Exceed best practice in all aspects of what we do;
  • Be a trusted advisor to our clients;
  • Provide bespoke services as an “IP hub” in the Asia Pacific region; and
  • Be enthusiastic and creative in our approach.





*Madderns is an independent, privately owned unit trust (Maddern & Catt Unit Trust).

Contact us

Patent & Trade Mark Attorneys


Level 4,
19 Gouger Street
Adelaide SA 5000

GPO Box 2752
Adelaide SA 5001 Australia

Phone: +61 8 8311 8311

Fax: +61 8 8311 8300


Level 40,
140 William Street
Melbourne VIC 3000

Phone: +61 3 9098 8635

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