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Key contacts
Managing Director, Intellectual Property : Tony Yeo (Mr)
Director, Intellectual Property: Yvonne Tang (Ms)
Director, Intellectual Property: Lim Siau Wen (Ms)
Director, Intellectual Property: Meryl Koh (Ms)
Key practice areas
Copyright & related rights
Intellectual property
Trade mark
Patent
IP transactions
Labor and employment
Dispute resolution
Private client
White collar crime
Family and matrimonial
Shipping
Insolvency
Firm overview

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. 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.

 

Practice Areas

Trade Marks, Patents, and Designs

In Singapore and other regional offices, we secure IP registrations directly. In other countries, we use our global network of trusted associates. We also negotiate and prepare licenses, distributorship, franchising and confidentiality agreements covering the full spectrum of IP, for example:

  • Conducting searches for trade marks, patents or designs in various jurisdictions
  • Advising whether a mark can be registered or a new innovation or design can be patented or protected
  • Advising how you can best leverage your patents, trade marks, and designs
  • Advising possible alternatives where a mark, patent or design cannot be registered
  • Branding and IP strategy
  • Drafting, filing, and prosecuting trade mark, patent, and design applications through to registration

 

Intellectual Property Litigation

Drew & Napier is second to none when acting for litigious matters. We have been singled out by clients and prominent trade publications for our in-depth experience in contentious IP matters as our lawyers are regularly instructed in high profile matters. We exceed clients’ expectations where the matters are especially demanding, as our lawyers are expected to quickly understand the technicalities of each industry and the clients’ business objectives.

Our litigation team handles all aspects of IP litigation, for example:

  • Applying and executing warrants for trade mark and copyright infringement offences;
  • Prosecuting and defending criminal actions for infringement of trade marks and copyright;
  • Civil proceedings for infringement of trade mark, copyright, patents and designs, confidential information, including applications for injunctions and Anton Pillar Orders;
  • Passing off actions;
  • Opposition proceedings;
  • Trade mark invalidation and revocation proceedings;
  • Actions for breach of distribution, licensing and franchise agreements;
  • Claims for unlawful interference with contractual relations; and
  • Claims for wrongful use of confidential information.

 

Intellectual Property valuation and transactions

We recognise the increasing importance of IP as a company’s asset for potential investment and leveraging business transactions. We provide strategic advice for our clients on how to best extract value from their IP. Our scope of work includes:

  • Analysing, reviewing, and researching your portfolio
  • Assessing licensing and monetising options
  • Drafting and advising on IP transaction documents
  • Valuing all assets, encompassing copyrights, IP licence agreements, know-how, patents, trade marks, trade secrets etc.

 

As a full service law firm, we work to our strengths by drawing from the wealth of expertise of our colleagues from the other areas of specialisation, in order to present a robust IP strategy that meets our clients’ business needs.

 






Last updated 23rd July 2019

Address:
10 Collyer Quay
#10-01 Ocean Financial Centre
Singapore
049315
Tel:+65 6535 0733 Email:Contact Us Web Address:http://www.drewnapier.com

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Overview

Drew & Napier's Intellectual Property practice in Singapore is highly esteemed, offering comprehensive services such as IP litigation, patents, trademarks, copyrights, and licensing. With a team of professionals that includes experts in various technical fields, the firm serves a diverse clientele, including multinational companies and state-owned enterprises. 

Notable IP practitioners: Tony Yeo, Yvonne Tang, Lim Siau Wen, Meryl Koh 

Testimonials

2026

"Meryl Koh and her team are responsive, exceptionally knowledgeable, and very skillful advisors in the IP space.  We worked on a number of complicated cross-border patent disputes together, and we were always impressed with Meryl and her team. "

"Meryl is exceptionally experienced, knowledgeable, and innovative.  We worked mostly on transactional and disputes matters together, and her team was second to none. "

"They are responsive, deep thinkers and go the extra mile to generate value."

"They are not sitting on the fence when giving opinions. They are not afraid to say it as it is, and always have a plan regardless of the situation."

"Meryl Koh’s team is thorough and meticulous at researching past cases. They also show grit in the litigation process and will counter each point raised in a methodical and strategic manner. "

"Meryl Koh’s team is strategic and is able to provide business owners with commercially sensible yet legally informed decision."

"Drew & Napier’s IP litigation team is exceptionally strong, combining deep technical knowledge with strategic courtroom expertise. They are known for their well-prepared case strategies, clarity in presenting complex issues, and ability to anticipate and counter opposing arguments effectively. Their litigation lawyers are highly responsive, commercially aware, and able to advise on both the legal merits and the broader business implications."

"Their prosecution team demonstrates meticulous attention to detail, strong analytical capability, and an excellent grasp of technical subject matter. Drafting quality is consistently high, and they are adept at navigating Singapore’s patent and trademark frameworks. The team provides clear, commercially aligned advice, timely updates, and proactive solutions when addressing office actions or procedural challenges."

"The advisory team blends legal accuracy with business-focused strategic thinking. They offer practical, forward-looking assessments on patentability, enforcement risks, licensing, freedom-to-operate, and portfolio development. Their advice is clear, actionable, and tailored to the commercial realities of innovation-driven businesses."

Meryl Koh

"She is an excellent disputes lawyer who handles complex international disputes involving IP with great aplomb. "

"Meryl is highly reliable and trustworthy. She provides advice that benefits the client and builds long term trust. She is our first port of call when we encounter legal trouble."

Siau Wen Lim

"Siau Wen Lim excels in delivering high-quality, strategically informed patent advice. She has a strong command of both the legal and technical dimensions of patent prosecution, and her drafting is precise, well-structured, and aligned with commercial objectives. She is particularly effective in analysing complex inventions and translating them into robust claims.

Her communication is clear, thoughtful, and timely, and she always provides practical guidance backed by a deep understanding of Singapore’s patent framework. She is diligent, proactive in identifying potential risks, and consistently ensures that matters progress efficiently. Her ability to manage sophisticated, multi-jurisdictional issues with confidence and professionalism makes her an invaluable advisor."

Tony Yeo

"Tony is always top of his game. He is an excellent litigator. He is responsive, pragmatic and always available. He digs into the details of the case and always thinks of creative solutions."

 

2025

"Detailed, value for money, knows the law and strong litigators."

"Drew and Napier are forthcoming in explaining concepts and quoting previous cases instead of just giving you the safest answer."

"Drew and Napier take the time to understand the client's need in IP litigation matters and tailor the litigation strategy to meet the client's goals."

"Emails and reports are easy to understand and include all the important factors for a topic."

"I believe that they will deliver good service work on time."

"Quick turnaround, meticulous work, and has client's interest in mind. Reasonable cost.”

"The firm's services are competent, and they provided for reasonable legal fees."

"The team are excellent. They build an adequate team for all matters, bringing in expertise from other parts of the firm, when needed. You feel like you are their only client when you work with them as they give you the time, attention and advice that you need and when you need it."

"They are timely and meticulous in their work and meet all our expectations. Their legal fees are very reasonable."

"Very fast turnover and understands the nuances quickly."

Meryl Koh

"Meryl is an excellent strategist and her advice is useful to decision makers running the company."

Javier Yeo

"Javier's rapid turnaround and deep expertise in copyright law are invaluable for navigating complex legal challenges efficiently. His commercial acumen and tailored advice make him a trusted partner for achieving strategic outcomes."

Linked Reviews
Patent

A significant case study highlights the team's successful representation of IIa Technologies, a manufacturer of lab-grown diamonds, in a patent infringement lawsuit initiated by Element Six Technologies, a subsidiary of the De Beers Group. 

Trade mark

Case studies show the firm handled a variety of trade mark matters for clients, from litigation to opposition. Clients include Hermes International, McDonald’s Corporation, Pfizer, and Singapore Airlines. 

IP transactions

In one case study, the team represented Sums Resources and Dato Low Tuck Kwong in a dispute involving contract law, misrepresentation, and unjust enrichment.  

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