Tony Yeo


Drew & Napier LLC
10 Collyer Quay
Ocean Financial Centre
Singapore 049315

Tel: +65 6531 2512


Tony is the Managing Director of our Intellectual Property department, and a Director in our Dispute Resolution department. He also heads our Healthcare & Life Sciences Practice. Tony is currently representing leading biotech and pharmaceutical companies such as Sanofi-Aventis, Novartis, and Becton Dickinson; 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 litigation. 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 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.

He also co-authored the Singapore chapter of Global Pharmacovigilance Laws & Regulations: The Essential Reference, which has been described as a “groundbreaking book” and a “landmark guide” published by the US based Food and Drug Law Institute. Tony also co-wrote the article “Legislating medical devices in Singapore” in Financier Worldwide: Biotechnology & Life Sciences e-Book 2010.

Under his guidance and leadership, Drew & Napier clinched double wins at the 2018 Asia IP Awards, winning both the Singapore Trade Mark Firm of the Year and the Singapore Patent Firm accolades.

Drew & Napier, founded in 1889, is the largest leading Intellectual Property (IP) practice in Singapore. We also have an established presence in Southeast Asia through our Drewmarks IP filing offices in Malaysia, Indonesia, Philippines, Vietnam, and Myanmar. Outside of these countries and through our close ties with affiliated firms, we tap on our global network to offer innovative and original solutions for our clients.

Our award-winning Singapore practice is one of the top filers for patents, trademarks, and designs in the country, among the largest handled by any firm here. Our extensive experience is bolstered by a team of over 100, consisting of numerous highly skilled professionals of not only legal, but also diverse technical backgrounds. Many of our patent professionals hold PhDs, Master’s or postgraduate certifications in their specialisations, which include biotechnology, chemistry, engineering, healthcare & life sciences, and telecommunications.

Our promise of quality has earned favourable standing amongst clients and we are often instructed to handle high-value, large-scale, complex matters that involve multiple parties and jurisdictions. Many of our clients in our 130-year history have entrusted their IP work to us for many decades. These include multi-national companies, state-owned companies, medium to large-sized corporations, and family-run businesses. We have acted for Apple, Exxon Mobil Corporation, Facebook, Mediacorp, Pfizer, Qualcomm, Singapore Airlines, SingTel and Toyota.

Our valued clients instruct us to act in a range of contentious and non-contentious IP work, comprising IP litigation, patents, designs, trade marks and servicemarks, copyrights, licensing, distributorship, franchising and confidentiality agreements, IP monetisation, and advice on Life Sciences and Medicines Act regulations.

Prestigious industry publications like Chambers & Partners Asia Pacific, The Asia Pacific Legal 500, and Managing Intellectual Property consistently affirm our leadership with Tier 1 rankings in IP. In 2019, the IP practice was recognised as the Singapore Intellectual Property Firm of the Year for the second time annual ALB South East Asia Law Awards. In 2018, Drew & Napier clinched a double win at the annual Asia IP Awards, taking home the Singapore Trade Mark Firm of the Year and the Singapore Patent Firm of the Year accolades

Drew & Napier has provided exceptional legal advice and representation to discerning clients since 1889. We are one of the largest law firms in Singapore.

The calibre of our work is acknowledged internationally at the highest levels of government and industry, and marks us as Singapore’s world class law firm.

We are trusted by our clients to solve their most challenging problems, advance their interests, and show them the way forward. Our lawyers and senior counsel are the preferred choice when the stakes are high and the issues complex.

Our clients consistently vote our lawyers to the highest ranks of their practice areas.

We stay at the forefront of the industry by cultivating talent and maintaining the family atmosphere that is distinctly Drew. In the Thomson Reuters’ Asian Legal Business survey, our colleagues voted Drew an Employer of Choice.


“Tony Yeo is the director of the firm and receives praise as a seasoned patent litigator,” with extensive experience on copyright and trade mark disputes. He frequently advises multinational corporations from the pharmaceutical, healthcare and biotechnology sectors. One source points out: “He quickly understands complex IP issues and is able to convey them in a way that is easy to understand.” 
Chambers & Partners