Chambers Asia-Pacific
Intellectual Property: Domestic: Litigation 2024 – Band 1 for 6 consecutive years
Band 2 (2009 to 2018)
"Tony is one of the best patent litigators that I worked with in the Asia-Pacific region. I have Tony on speed dial to seek his advice in the fast-paced arena of patent litigation. Tony is never a fence-sitter, and he takes on some of the most difficult and complex patent litigations in Singapore. He is the person most pharmaceutical companies seek in Singapore."
“Tony is the person to have on complex IP litigation. He thinks globally but acts locally, and thoroughly considers all options when approaching litigation to achieve the client’s goals in the most efficient and effective way possible.”
"Tony is a very experienced, client-oriented lawyer. He is very pleasant and commercially minded. He will find creative solutions to complex issues and with a quick response time."
"Tony is the best patent litigator I have come across in Singapore. His can-do attitude and creative thinking adds enormous value."
“Tony is an esteemed practitioner who frequently represents clients in IP litigation at the appellate stages. He has experience working on royalties disputes, advising a range of domestic and multinational clients.”
Sources say that “You can take comfort knowing that Tony is at the wheel when driving forward your litigation in unchartered legal landscapes"
Tony is "a seasoned patent litigator".
“He quickly understands complex IP issues and is able to convey them in a way that is easy to understand,” adding: “He understands the client's needs and delivers results that meet the company's strategy and goals. He is also very creative and thinks outside the box.”
“He is extremely hands-on, clear in his thinking, has foresight and draws a lot of perspective from his past experience to evaluate the next steps,"
"[Tony] leverages on his strong healthcare and life sciences sector expertise and regularly acts for major pharmaceutical clients in notable patent infringement disputes."
“A very confident individual who always stays on top of the situation."
The Legal 500 Asia Pacific
Intellectual Property 2024 – Hall of Fame for 5 consecutive years
Intellectual Property 2020 – Leading individual for 10 consecutive years
Dispute Resolution 2018 – Recommended lawyer
‘Tony Yeo is a seasoned IP litigator and a leader who digs deep into the details of the case at hand and leverages his many years of experience to come up with creative strategies so as to satisfy the client’s needs. When you have a complex case, and the odds are against you, you want Tony as your IP counsel.”
Sources say that Tony is ‘very professional, work swiftly and very creative. They are attentive to details and I am very comfortable when handling my matters to them.’
‘I would like to highly recommend Tony Yeo who is very very knowledgeable, friendly and assuring.
“Among all the lawyers whom I have worked with, Tony Yeo is the most knowledgeable and experienced lawyer I have met so far. He is very sharp and decisive and always gives me very good advice. His analysis of the cases and anticipation of the reaction from our opponents are always accurate and spot on.”
“Tony Yeo is sharp and appropriately aggressive lawyer whom you will want on your side. Possessing good commercial sense and great depth of knowledge as subject matter experts, he will be able to value-add by strategising approaches for the best outcomes. First-class lawyer.’
“Tony Yeo is an absolutely first-class litigator. Amazing in the court room. He is not only able to provide high-level strategic advice, but is able to also zoom in and pick up on the minute details. Great depth of knowledge.”
Sources say that Tony is “a fantastic strategist and a great litigator”
“Diligent, sound in judgment and pragmatic in approach”
“One of the foremost lawyers in Drew & Napier’s excellent litigation practice with in-depth knowledge of IP-related issues”
Asian Legal Business
Asia Top 15 IP Lawyers 2023 – Named as one of Asia's top 15 IP lawyers for 3 consecutive years
Managing IP
Voted as IP Star 2023 – Trade mark Star for 10 consecutive years; Patent Star for 10 consecutive years
“Tony is responsive, quick thinking and highly practical in his advice.”
“First class service and quality work”
“Tony [Yeo] is charming, knowledgeable, and has a knack of explaining things simply and in the context of the overall strategy. He is an effective litigator and is incisive in cross-examinations."
asialaw Leading Lawyers
Intellectual Property 2023/24 - Elite Practitioner for 7 consecutive years
“Tony Yeo quickly grasps the highly technical and legal issues presented to him and distils them into something which is easy to understand. He has a great attention to detail and hones in on the chink in the armour to bring the greatest outcome for the client.”
“He made the way forward very clear.”
“Supportive and gives clear explanations.”
“Creative and attentive to details.”
“Very warm and approachable. Responsible with sound legal advice.”
“Tony is truly an excellent lawyer. When he understands the issue, he comes up with creative solutions from his depth of knowledge in IP and general law. He is the person to go to when you have a high-value complex IP case. You know you are in safe hands with Tony.”
Tony Yeo is recommended by his client for his “great depth of knowledge. Very savvy. Fantastic litigator.”
Dispute Resolution 2018 – Market-Leading Lawyer for 2 consecutive years
Client feedback (2017): “Market-leading lawyer Tony Yeo’s “strategic thinking, honesty and timely responsiveness”… (is) prized by clients.”
Who’s Who Legal
Global Guide: Life Sciences 2023 – Leading Lawyer for 13 consecutive years
Recommended Lawyer for Patent Litigation and Regulatory
Recommended Lawyer for Product Liability (2011 to 2021)
Global Guide: Life Sciences 2021 - Patent Litigation – Global Elite Thought Leader for 2 consecutive years
National Guide: Southeast Asia - Life Sciences 2023 – Leading Lawyer for 3 consecutive years
“Tony Yeo is highly sought after by listed biotech and pharmaceutical corporates and government boards for his first-rate regulatory advice.”
“Tony Yeo enjoys a sterling reputation among peers in IP litigation and is described by sources as “a formidable and very well-regarded litigator in the IP field”.”
Tony Yeo has “impressive width and depth of knowledge” and provides “practical solutions while considering client’s interests at the same time”.
“Tony Yeo is an authority in the sector known for his extensive experience representing pharmaceutical and biotech companies in complex litigation and enforcements.”
Tony Yeo of Drew & Napier is as “seasoned litigator” who “stands out among the pack”.
Clients commend him for being “highly engaged and hardworking” and for always “focusing on the best interest of clients”
“Tony Yeo is recommended across our life sciences chapters for his wide-ranging expertise in the area.”
Global Guide: IP - Patents 2023 – Leading Lawyer for 10 consecutive years
Global Guide: IP - Trademarks 2023 – Leading Lawyer for 7 consecutive years
National Guide: Southeast Asia - Patents 2023 – Leading Lawyer for 3 consecutive years
National Guide: Southeast Asia - Trademarks 2023 – Leading Lawyer for 3 consecutive years
“Tony is very articulate, commercially savvy and a true subject matter expert with great depth of knowledge."
Tony Yeo draws noteworthy plaudits from sources, who highlight his “depth of knowledge about IP subject matters” and his “impressive commercial mind.”
“Tony Yeo has amassed substantial experience advising onpatent infringement and litigation across the region.”
“Tony Yeo is a standout patent litigator renowned for his precise approach and careful planning in complex IP disputes.”
Tony Yeo is “an excellent IP litigator” with a strong reputation for his top-tier work in the life sciences.
Tony Yeo is held to be a “subject matter expert” who is “meticulous and strategic in his approach” to trademark issues.
Clients say Tony is a “formidable litigator” who is “extremely knowledgeable in IP matters”. He impresses with his “ability to balance commercial considerations with effective legal strategies”.
Benchmark Litigation Asia-Pacific
Intellectual Property 2024 – Litigation Star for 6 consecutive years
“He has created and runs a first-class team and keeps the clients well informed and involved.”
“Tony is excellent in his work and relationship building with clients.”
“He is a very experienced IP litigator. He has excellent litigation skills, is very meticulous and also strategic.”
“Excellent knowledge and advice, ability to represent the client's interests, considers the practicality of advice and whether it can be implemented with a favourable outcome to the client. Good solutions. Accessible to the client even when busy, responsible. Accepts client feedback.”
“Tony is responsive, commercially aware and a skilled advocate”
World Trade Mark Review 1000
Enforcement and Litigation 2024 – Gold band (5 consecutive years); Recommended individual (2018 and 2019)
Prosecution and Strategy 2024 – Gold band
Tony is a “much-respected individual, both inside and outside the court”.
“Tony is methodical in his creative problem solving, is always available and gives clear advice to make a quick and informed decision.”
“Tony is just brilliantly smart and stands out for his industry knowledge and commercial acumen.”
“Tony is creative in the way he approaches matters and digs into the details of cases. In terms of his work product, service and advice, he is way ahead of the pack in Singapore.”
Sources commend Tony’s “efficient delivery” of “well-informed” strategies.
Tony Yeo is a “first-rate litigator who navigates clients through the minefields of IP management without a hitch”
World Trademark Review Global Leaders 2023 edition
Identified as one of Singapore’s foremost trademark experts for 10 consecutive years
IAM Patent 1000
Litigation 2023 – Gold band for 5 consecutive years; Recommended lawyer for 5 consecutive years (2014 - 2018)
“Tony is a true master of patent litigation and a much sought-after counsel in the contentious patent space.”
“Tony has strong industry knowledge, good business acumen and has an excellent winning track record in prominent IP litigation.”
“Polished litigator Tony Yeo is highly respected in the Singapore legal community.”
“A gifted and tenacious litigator”
“I sleep well at night knowing that Tony Yeo is at the wheel on Singapore IP matters”
“He has bags of experience and a great instinct, which allows him to know exactly where to direct his efforts in the litigation process to achieve the best results. Added to that, Tony is an extremely hard worker and is dedicated to his clients. He is my number one go-to counsel in Singapore.”
“Tony provides sage IP advice on complex IP matters which are part of global litigation strategies. I trust his advice and he always brings fresh ideas and strategies to the table.”
The shining gem in the ensemble is Tony Yeo. “One of the most respected litigators in town”, the star player recently joined other distinguished IP legal experts on the IPOS IP Adjudicators Panel.
“Managing director of intellectual property Tony Yeo is most at home when resolving intricate patent disputes on behalf of major clients in the healthcare and life sciences arenas. Renowned for his silver-tongued advocacy, Yeo is a master of cross-border and technically advanced patent infringement suits.”
“Famed for its strength in disputes, the firm boasts no shortage of star litigators – and Tony Yeo stands out among them. A courtroom sharpshooter with over 25 years’ experience in patent litigation…”
Life sciences captain Tony Yeo “keeps competitors on their toes” in hotly contested disputes between big pharma combatants.
“Clients adore the highly intelligent Tony Yeo; his facility for grasping the technicalities of a case means that he always quickly addresses the real problem.”
[Tony Yeo] is “bright and extremely easy to work with. He has a good instinct for the right answer and always provides sensible and pragmatic advice”.
IAM Global Leaders 2024 edition
Identified as one of Singapore’s foremost patent experts for 4 consecutive years
IAM Strategy 300: The World's Leading IP Strategists 2022
Named as one of the preeminent IP strategists in the world for 2 consecutive years
Asia IP Experts
Identified as a leading IP lawyer in Singapore in 2023 for 3 consecutive years
Listed as a leading individual in IP Enforcement, Patents, and Litigation 2018 for 3 consecutive years
Listed as a leading individual for Pharma & Biotech 2018 for 6 consecutive years
Best Lawyers International: Singapore
Intellectual Property 2025 – Endorsed individual
Litigation 2025 – Endorsed individual
Asia Business Law Journal
Identified as one of Singapore’s Top 100 lawyers in 2019 and 2023 editions
World IP Review
Recognised in the WIPR Leaders 2023 Directory
ILO Client Choice Awards
Winner of the Singapore Healthcare & Life Sciences Award 2013