• LL.B. (Hons), National University of Singapore
  • Admitted to the Singapore Bar in August 2016

Javier specialises in intellectual property dispute resolution. He has acted for many clients across different industries such as the pharmaceutical, chemical and mechanical engineering as well as semiconductor industries in trademark and patent matters.

Javier is ranked a "Rising Star" for Intellectual Property for three consecutive years since 2022 by Legal 500 Asia Pacific. He was also named the regional Rising Star of the Year at the Legal 500 Southeast Asia Awards 2023.

Apart from his intellectual property practice, Javier has also practised in a wide array of commercial matters including company law, contract law, defamation and employment law, for both international and local clients.

Counsels that have worked with him have described him as a “superb lawyer whose work in this complex case has been nothing short of amazing” and was also commended for “acquir[ing] an in-depth knowledge and understanding of the very challenging technical aspects of the disputes and of the volumes of evidence”.

Clients have described Javier as “very smart, quick and efficient” and that his “work rate is simply outstanding”.

Javier has handled many types of cases before the Singapore Courts across different areas of practice. These include numerous high-value Court matters, in particular, intellectual property disputes ranging across a wide variety of industries. Amongst his clients are well-known international brands in their respective industries.

Intellectual Property Matters

  • Successfully represented IIa Technologies Pte Ltd, an industry leader and manufacturer of lab-grown diamonds with the largest diamond growing facility in the world, in a patent infringement suit commenced by Element Six Technologies Ltd, a subsidiary of the De Beers Group, in IIa Technologies Pte Ltd v Element Six Technologies Limited [2023] SGCA 5. It is safe to say that this Suit is one of the most and possibly the most complex patent infringement case that the Singapore High Court and Singapore Court of Appeal has heard.
  • Representing a Fortune 10 company in a high value patent infringement claim commenced by Salutica Allied Solutions Sdn Bhd involving Bluetooth technology. This action is part of a global litigation.
  • Representing Eisai Co Ltd and its related companies in a patent linkage matter for HALAVEN, an anti-cancer mediation used to treat breast cancer and lipsarcoma. This is the first litigation globally in relation to HALAVEN.
  • Successfully defended Uni-Drive Systems (S) Pte Ltd in revocation actions before the Intellectual Property Office of Singapore (“IPOS”) against its Singapore-registered “UNI-DRIVE” marks in respect of power transmission goods in Class 7. These revocation actions have been taken out by Nidec Control Techniques Limited (“Nidec”), a multinational corporate headquartered in the United Kingdom.
  • Representing a local skincare brand in a matter involving claims of passing off, copyright infringement and breach of contract. This matter engages novel issues in Singapore relating to use of well-known person’s (e.g. celebrity) portraits.

Other contentious corporate matters

  • Successfully acted as lead counsel to help the client secure a Court order declaring that claims of breach of director’s duties, passing off and conspiracy to injure were fully settled by a settlement agreement executed between the parties. This swift victory put a stop to a whole slew of claims that the Respondent was prepared to commence against the client.
  • Representing Edge Capital Fund SP2 Pte Ltd, an asset management firm in a suit against doctors in Singapore involving the manufacture, supply and storage of mesenchymal stem cells under the new Regulations in the Health Products Act. This case involves tackling novel issues in relation to interpretation and application of the Regulations. The case also involves breach of directors’ duties, breach of contract and misrepresentation.
  • Successfully represented BW Automobiles Pte Ltd in the State Courts ([2018] SGDC 189) and in the appeal to the High Court in a landmark case concerning the interpretation of named driver insurance policies.
  • Represented a Singapore holding company in the business of acquiring aesthetic practices in a suit canvassing various issues including a breach of contract, minority shareholder oppression and equitable winding up pursuant to s254 of the Companies Act. The claim was in excess of SGD20m.
  • Acting for a medical research organisation in relation to breach of a collaboration agreement for the development of a vaccine for global distribution.

The Legal 500 Asia Pacific
Intellectual Property 2024 – Rising Star for 3 consecutive years 

Javier Yeo "is very cautious, hardworking and resourceful in his work. 

“Both Tony Yeo and Javier Yeo are very professional, work swiftly and I find them very creative. They attention to details and I am very comfortable when handling my matters to them. 

Javier Yeo "is very smart, quick and efficient. His work rate is simply outstanding. I have received important and urgent emails/WhatsApp messages from him late at night and even on weekends. He is always energetic and full of passion. A very nice and comfortable person to work with. 

The Legal 500 Southeast Asia Awards 2023
Named regional Rising Star of the Year for Intellectual Property

Benchmark Litigation Asia-Pacific 2024
“Javier is exceptionally hardworking and meticulous, with a deep understanding of complex legal issues and a strategic approach to case management. His clear and, persuasive communication skills stand out, making him an effective and reliable lawyer.” (2024)

Javier “is quick to understand the key points of the patents and background of the industry.” (2023)

“Meticulous, super-hardworking, extremely perseverant, and excellent in simplifying complex matters.” (2023)

asialaw Leading Lawyers 2023 edition
“Knowledgeable and has expertise in laws regarding intellectual property. Provides strong support in the litigation.” 

  • Member, Singapore Academy of Law
  • Member, Law Society of Singapore
  • Member and Convenor of the Sports Committee, Law Society of Singapore
  • The Singapore chapter of Life Sciences & Pharma IP Litigation, Chambers Global Practice Guides, 2024
  • The Singapore chapter of Patent Litigation Country Comparative Guide, The Legal 500, 2022 and 2023
  • Co-author of the Singapore section of the Chapter on Countries with Historical Connections with UK Registered Designs in Russell-Clarke & Howe on Industrial Designs, 10th Edition, Sweet & Maxwell, 2022 
  • Co-author of the Singapore chapter of Patent Enforcement in the UK and Trans-Pacific Countries, Globe Law and Business, 2021
  • Author of the chapter The Facilitative - Evaluative Divide: Have We Lost Sight of What's Important? in Contemporary Issues in Mediation: Volume 1, Singapore International Mediation Institute, 2016