Tony Yeo

Tony is a Director in both the Intellectual Property and Dispute Resolution departments in Drew & Napier. He also heads our Healthcare & Life Sciences Practice. Tony is currently representing leading biotech and pharmaceutical companies such as Sanofi-Aventis and Novartis; government statutory boards such as Sentosa Development Corporation, and Health Promotion Board; as well as listed companies such as PT Bayan Resources Tbk and Manhattan Resources Ltd.

Tony is a litigator with an active court practice as an advocate. He has acted as lead counsel in many complex matters, including numerous patent infringement cases. He is experienced in intellectual property litigation and enforcement including patent, trade mark, and copyright. His civil and commercial litigation practice includes banking litigation and contract disputes.

Tony was appointed by the Intellectual Property Office of Singapore (IPOS) as an IP Adjudicator to hear disputes at IPOS for a two-year term from April 2019. He is also the President of the International Association for the Protection of Intellectual Property (AIPPI) – Singapore Group, a member of the Law Society’s Inquiry Committee and Disciplinary Tribunal, and a member of the Examination Board at IPOS for registered patent agents.

As a testament to his expertise in the field, Tony co-authored the Singapore chapter of Global Pharmacovigilance Laws & Regulations: The Essential Reference, which has been described as a “ground-breaking book” and a “landmark guide” published by the US based Food and Drug Law Institute. He also co-authored the Singapore chapter of the inaugural Patent Enforcement in the UK and Trans-Pacific Countries published by Globe Law and Business in 2021. The book is an essential guide for private practitioners, in-house lawyers and other professional in the Trans-Pacific region. Additionally, Tony co-wrote 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.

Tony was also recognised as one of Asia's top 15 IP lawyers by Asian Legal Business for 5 consecutive years from 2021 to 2025 and was named IP Lawyer of the Year at the Legal 500 Southeast Asia Awards 2026.

Under his guidance and leadership, Drew & Napier clinched double win at the Managing IP Asia-Pacific Awards 2025, winning both the Singapore Patent Disputes Firm of the Year and Singapore Trademark Disputes Firm of the Year. This is the fifth double win the IP department won at the annual MIP Asia-Pacific Awards.

• LL.B. (Hons), National University of Singapore

• Admitted to the Singapore Bar (1992)

• President, International Association for the Protection of Intellectual Property (AIPPI) – Singapore Group

• IP Adjudicator at the Intellectual Property Office of Singapore (IPOS) from April 2019 for a two-year term

• Assessor, Panel of Assessors for COVID-19 Temporary Relief, Ministry of Law

• Honorary legal counsel, Orchard Road Business Association (ORBA)

• Honorary legal counsel, Singapore Advertisers Association

• Member, Singapore Patent Agents Examination Board at IPOS

• Member, Accounting and Corporate Regulatory Authority (ACRA) Disciplinary Committee

• Member, Supreme Court Pleadings Precedent Selection Committee - Intellectual Property

• Member, Law Society’s Inquiry Panel and Disciplinary Tribunal

• Member, Asian Patent Attorneys Association

• Member, International Trademark Association

• The Singapore chapter of Life Sciences & Pharma IP Litigation, Chambers Global Practice Guides, 2024 and 2025

• The Singapore chapter of Patent Litigation Country Comparative Guide, The Legal 500, 2020-2022 and 2024-2025

• The Singapore chapter of Trademark Disputes Country Comparative Guide, The Legal 500, 2025

• The Singapore chapter of Patents, Lexology Panoramic, 2023-2025

• Practical Law’s Practice Note on Scope of Patent Protection (Singapore), Thomson Reuters

• Practical Law’s Practice Note on Terminating Licences of IP Rights (Singapore), Thomson Reuters

• Practical Law’s Patent Revocation Proceedings and Patent Proceedings at the Singapore IP office (Singapore), Thomson Reuters

• Practical Law’s Trade Dress Protection in Singapore, Thomson Reuters

• The Brunei chapter of Katzarov’s Manual on Industrial Property, Katzarov, 2021 and 2022

• The Singapore chapter of Manual IP, Kluwer IP Law, 2022

• The Singapore chapter of Life Sciences, Chambers Global Practice Guides, 2020-2025

• 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

• The Singapore chapter of Life Sciences, Lexology Getting the Deal Through, 2021 to 2023

• The Singapore chapter of Healthcare Regulation, Lexology Panoramic, 2024 and 2025

• Chapter LIV of Atkin's Court Forms Singapore - Intellectual Property - Patents and Inventions, LexisNexis, 2021

• The Singapore chapter of Patent Enforcement in the UK and Trans-Pacific Countries, Globe Law and Business, 2021

• The Brunei chapter of Manual for the Handling of Applications for Patents, Designs and Trade Marks Throughout the World, Kluwer IP International, 2021

• “Supreme Court of Singapore adds Appellate Division for hearing of civil appeals” in Asia IP January 2021

• The Singapore chapter of Life Sciences, Getting the Deal Through, 2014, 2015, 2016, 2017 and 2020

• The Singapore chapter of Practical Law Company – Life Sciences Global Guide 2013, 2014, 2015, 2016, 2017, 2020 and 2021

• “Trade Marks that are Well known to the Public at Large in Singapore: A Review of the Evidentiary Landscape”, Singapore Academy of Law, August 2025

• “Brand Wars: The Rise of Grey Product” in Asia IP January 2020

• “Developments in Singapore’s Healthcare Regulatory Landscape” in Asian Legal Business November 2013

• The Singapore chapter of “Global Pharmacovigilance Laws & Regulations: The Essential Reference” published by the Food & Drug Law Institute, which has been described as a “groundbreaking book” and a “landmark guide”

• “Legislating medical devices in Singapore” in Financier Worldwide: Biotechnology & Life Sciences e-Book 2010

• Seminar on “AI & Copyright: Understanding Authorship, Infringement and Fair Use” with Singapore Academy of Law