Timothy Siaw

Head, Technology, Media & Telco
Intellectual Property
Healthcare and Life Sciences


  • B.Sc. and LL.B, Monash University, Australia
  • Barrister & Solicitor, Supreme Court of Victoria, Australia (non-practising)
  • Advocate & Solicitor, High Court of Malaya
  • Registered Patent, Trade Mark and Industrial Design Agent, Malaysia

Timothy Siaw is a partner in the IP and Technology Department of Shearn Delamore & Co. He has degrees in science and law from Monash University, Australia.

Tim has been in practice for nearly 30 years as an IP and Technology lawyer and is a registered patent agent.

Tim has extensive experience in all areas of Intellectual Property and Technology with a focus on Patents, Life Sciences, IP Litigation, IT contracts, Technology Licensing, Cybersecurity and Data Protection.


Tim prosecutes patent applications for many of the leading global pharma and biotech companies. He has the distinction of advising the originator companies when the Malaysian Government first invoked the compulsory government use licence in relation to the HIV anti-viral drugs and then again for the drug for the treatment of Hepatitis C.

Tim acted as leading counsel in the successful invalidation of a patent in relation to a transportation structure at the Appellate Court, see See Hau Global Sdn Bhd v Mah Sing Plastics Industries Sdn Bhd [2018] 1 MLJ 213.

Trade Mark and Industrial Designs

Tim advises the national energy company, PETRONAS on its IP protection and manages its entire worldwide trade mark and industrial design portfolio of the national energy company with over 6,000 records across over 150 jurisdictions.


Tim persuaded the highest court in Malaysia, the Federal Court that the original drawings of artistic works were not required to be produced for the presumption of copyright ownership under s. 42 of the Copyright Act 1987 in the landmark case of Duramine Sdn Bhd v Elster Metering & Anor [2015] 3 MLJ 1.


Tim advised a regional banking group on the agreements for the implementation of its core banking system across the ASEAN region.

Tim advised on the agreements for licensing of the technology for the construction and operation of a plant for the conversion of waste to energy.

Tim advises a regional technology company in relation to the agreements for the provision of technology products and services to a Malaysian telecommunication service provider in relation to its customer experience platform.

Asia IP Experts

Recognised as Best 50 “IP Expert” in Malaysia (2018 and 2021)

Asialaw Leading Lawyers

Intellectual Property 2023 - Distinguished Practitioner for 4 consecutive years; Leading Lawyer for 11 consecutive years (2003-2013)

  • Timothy is very attentive, provides a very clear explanation on queries and very knowledgeable in intellectual property. He is also quick to respond hence, we know we can count on him on urgent matters.” – Asialaw Profiles 2020
  • Tim is clearly a leading expert in the field of intellectual property, especially with respect to trademarks and patent law. He has admirably led his team to deliver quality and timely solutions for my organisation.” – Asialaw Profiles 2020

Chambers Asia-Pacific

Intellectual Property 2022 – Leading Lawyer for 12 years (2009-2014, 2017-2022)

  • He impresses clients, who note that "he's very intelligent, can give you full appraisal of the situation, knows what he's doing and is very good at what he does." - Chambers Asia-Pacific 2014
  • A client describes Timothy Siaw as "very responsive" and "very knowledgeable about trade mark law in Malaysia." - Chambers Asia-Pacific 2017
  • A client observes that "he is very strong in the IP field because of his vast experience and deep knowledge." - Chambers Asia-Pacific 2020
  • “Quite but very effective, Timothy Siaw specializes in patent litigation.’ - Chambers Asia-Pacific
  • “Timothy Siaw wins praise for his rich expertise, which allows him to tackle highly complex and unprecedented matters.” - Chambers Asia-Pacific
  • “Timothy Siaw has a broad practice with particular emphasis on patents and technology, corporate IP matters, licensing and life sciences. He also handles anti-competition work.” - Chambers Asia-Pacific

Expert Guides

Trademarks and Patents 2020 - Leading Practitioner for 3 consecutive years

Global Law Experts Annual Awards

TMT Lawyer of the Year in Malaysia (2022)


World’s Leading Life Sciences Patent Litigators (2010)

Intellectual Property 2020 - Global Leader

IAM Patent 1000

Patent Litigation and Patent Prosecution 2021 – Recommended Lawyer for 6 consecutive years

Lexology: Client Choice Awards

Individual Winner for Patents for Malaysia Jurisdiction for 2 years (2018 and 2021)

MIP IP Stars

Patent Star in Malaysia for 5 consecutive years (2018-2022)

Trademark Star in Malaysia for 3 consecutive years (2020-2022)

The Legal 500 Asia-Pacific

Intellectual Property 2022 – Leading Individual for 3 consecutive years; Recommended Lawyer for 6 consecutive years (2014-2019)

TMT 2022 – Recommended Lawyer for 7 consecutive years

  • Timothy Siaw and … are ‘very skilled and provide a personalised service’. - The Legal 500 Asia-Pacific 2014
  • Timothy is the go-to expert for intellectual property law – his self effacing demeanor makes him approachable and high contactable, where he counsels in a frank and honest manner.’ - The Legal 500 Asia-Pacific 2020
  • “Timothy is well-known to be very strong in the IP field because of his vast experience and deep knowledge. He is always ready to provide a very thorough and clear explanation to the queries that we have. Recently he has also provided commercialisation advice regarding licensing issues. I appreciate Timothy who provides free consultation when we need professional opinion and advice in licensing of the IP for patents which were filed. The advice provided is detailed and considers the risks and concerns involved for the organization.” - The Legal 500 Asia-Pacific 2022

Who’s Who Legal

Patents 2021 – Global Leader for 3 consecutive years

Patents 2022 - National Leader (Southeast Asia) for 2 consecutive years

Trademarks 2022 - National Leader (Southeast Asia), Expert for 12 consecutive years (2007-2018)

World Trademark Review 

Enforcement and Litigation 2022 - Silver Tier for 4 consecutive years

  • “Timothy Siaw is an authority on life sciences and patents with superb expertise in franchising and anti-counterfeiting.”
  • “life sciences titan Timothy Siaw is an invaluable ally in trademark disputes”.
  • Exco Delegate, Federation of Patent Attorneys Association (FICPI)
  • Data Protection Substantive Law Committee member, International Technology Association (ITechLaw)
  • Digital Asia Subcommittee of Internet Committee member, International Trade Mark Association (INTA)
  • Member, Malaysia Bar Council - IP Committee
  • Member, International Bar Association (IBA)
  • Member, Licensing Executives Society Malaysia (LESM)
  • Member, Malaysian Intellectual Property Association (MIPA)
  • Member, Asian Patent Attorneys Association (APAA)
  • Chambers Life Sciences Guide (2020)
  • Chambers Patent Litigation Guide (2018)
  • The International Comparative Legal Guide to Fintech (2017 to 2020)
  • The International Comparative Legal Guide to Telecoms, Media & Internet Laws & Regulations (2017)
  • CASBAA – Pay TV and OTT Policies in Malaysia now known as the Asia Video Industry Association (AVIA) – (2015, 2017 and 2020)
  • International Trade Mark Association (INTA) Country Guide for Malaysia (2017 to 2020)
  • Atkin’s Court Forms Malaysia for Patents, Trade Marks, Copyright and Industrial Designs
  • LexisNexis Malaysian Forms and Precedents for Patent, Trade Mark, Copyright and Industrial Designs
  • LexisNexis Annotations to the Statutes of Malaysia: Patents Act 1983, Copyright Act 1987 and Industrial Designs Act 1996
  • Doing Business in Asia, Malaysia chapter published by Thomson Reuters (2016)
  • Patent Litigation: The European Lawyer Reference (2012)