Spruson & Ferguson recognised in 2026 IAM Patent 1000

The IAM Patent 1000 identifies the top patent professionals in key jurisdictions around the globe, and highlights firms and individuals deemed outstanding in patent prosecution, litigation and transactions. This year marks the seventh year Spruson & Ferguson has been ranked.

Spruson & Ferguson pairs scale with deep technical capability and a strong track record in managing complex, high‑value patent portfolios. 

Researcher comments 2026

Read the feedback on each of our awarded offices here.

We would like to thank all of our team members across the firms who each make substantial contributions to the services we provide to our clients. We also thank the clients and peers who supported these results through participation in IAM research.

IAM 1000 Firm rankings

Recommended individuals

Twenty nine of our professionals from across the Asia Pacific have been recognised in the IAM Patent 1000 this year, which notes that these recommendations are awarded to ‘individuals who stand out for their exceptional skill sets and profound insights into patent matters’.

Australia

• Dr Simon Potter, Managing Director, Spruson & Ferguson Australia
• Katrina Crooks, Principal, Spruson & Ferguson Lawyers
• Mike Zammit, Principal, Chemical & Life Sciences Leader
• Dr Elizabeth Barrett, Principal, Chemical & Life Sciences
• Andrew Cale, Principal, Engineering & ICT
• Dr Michael Christie, Principal, Chemical & Life Sciences
• Khajaque Kortian, Principal, Spruson & Ferguson Lawyers
• Dr Daniel Sieveking, Principal, Chemical & Life Sciences
• Sylvie Tso, Principal, Spruson & Ferguson Lawyers
• Guy Tucker, Principal, Engineering & ICT
• Greg Whitehead, Principal, Engineering & ICT
• Duncan Longstaff, Principal, Spruson & Ferguson Lawyers
• Scott Philp, Principal, Engineering & ICT
• Andrew Rankine, Principal, Spruson & Ferguson Lawyers

Singapore

• Le Hong Minh, Principal, Director Singapore, Engineering Group Leader
• Maik Brinkmann, Principal, Life Sciences Group Leader
• Serene Ong, Principal, ICT Group Leader
• Chiou Yu Choo, Principal, Chemical Group Leader
• Dr Ee Lin Soo, Principal, Chemical & Life Sciences

China

• Dr Siqi Wang, Principal, Head of Patents China
• Dr Lin Zhou, Principal, PatSF
• Dr Vivian Wang, Special Counsel, Chemical & Life Sciences

Hong Kong

• Dr Charles Wang, Head of Patents, Hong Kong
• Stanley Yip, Senior Associate, Engineering & ICT

Malaysia

• Dr Ee Lin Soo, Principal, Director Malaysia, Chemical & Life Sciences

Indonesia

• Marolita Setiati Anwar, Director Indonesia

Thailand

• Jitchanok Sararuk, Senior Associate, Chemical & Life Sciences
• Thanchanok Pankrai, Associate, Chemical & Life Sciences

About IAM

The IAM Patent 1000 is commonly regarded as the definitive ‘go-to’ resource for those seeking to identify world-class, private practice patent expertise as well as leading expert witnesses in the US. As with previous editions, to arrive at the 2026 rankings, IAM undertook an exhaustive qualitative research project to identify outstanding firms and individuals across multiple jurisdictions. When identifying the leading firms, factors such as depth of knowledge, market presence, and the level of work on which they are typically instructed were all taken into account, as well as positive peer and client feedback.