A rising IP hot spot in the Asia-Pacific region, Taiwan has become a jurisdiction to watch for foreign companies looking to expand their IP protection globally and establish a presence in the local market. The Taiwan Trademark Association has recently been established too.

Firms: enforcement and litigation

  • Baker McKenzie
  • Lee and Li Attorneys at Law
  • Winkler Partners
  • Eiger
  • Formosa Transnational Attorneys at Law
  • Saint Island International Patent & Law Offices
  • Tai E International Patent & Law Office
  • Tsar & Tsai Law Firm
  • Chen & Lin Attorneys-at-Law
  • TIPLO - Taiwan International Patent & Law Office
  • Tsai Lee & Chen Patent Attorneys & Attorneys at Law 

Firms: prosecution and strategy

Baker McKenzie

One of the top firms for contentious matters in Taiwan, Baker McKenzie delivers the best of both worlds through its global connections and local network. The outfit has maintained strong relationships with the Taiwan Intellectual Property Office (TIPO) and customs authorities, enabling it to work alongside the government to monitor imports and exports. Praised by clients for its “detailed approach to litigation”, the team has been busy with contentious and non-contentious matters. Star litigator Grace Shao, admired by peers for being “smart and diligent”, leads the trademark team with tenacity and excellence. Recently engaged in an onslaught of contentious matters for Louis Vuitton Malletier, Shao can be relied on to serve up “world-class, creative strategies in problem solving”. Fellow dispute resolution specialist Jo-Fan Yu assists rights holders in the technology, telecoms and media space. New to the side, former IP court judge Joanna Ouyang draws on her highly coveted judiciary experience to advise patrons on their intellectual property.

Chen & Lin Attorneys-at-Law

Chen & Lin is a full-service law firm with a strong focus on its IP practice. Covering all aspects of intellectual property, from opposition matters to brand enforcement and management, the group has built a healthy client base of international and local companies across a variety of industries. Leading the trademark practice is Shelly Chen. An authority on portfolio management and contentious matters, Chan recently represented a range of non-profit institutions, including the Seventh-Day Adventist Hospital, in regard to trademark infringement issues.


The number one choice for US and European brands, Eiger has become the go-to firm for top-dollar clients, including Prada and Dolby. Priding itself on the variety of industries that it specialises in, as well as the wide spectrum of IP services that it offers, the set also has an affiliated office in Shanghai to help facilitate a cross-border relationship with Chinese Customs and Border Control. Led by IP authority John Eastwood, the team recently assisted TOMS Shoes with anti-counterfeiting searches and investigations alongside local police, demonstrating its healthy partnerships with local authorities. IP counsel Eve Chen is an experienced litigator who works across all areas of intellectual property, earning a keen reputation as a jack of all trades.

Formosa Transnational Attorneys at Law

A leading firm built around collaboration and specialisation, Formosa Transnational combines individual creativity and out-of-the-box thinking with teamwork and well-fortified strategies. Managing director Yulan Kuo and senior partner Fa-Lin Lin captain the entire process with end-to-end specialties in litigation and non-contentious matters, respectively.

Jones Day

With offices across five continents, the Taiwan branch of Jones Day is supported by a web of global connections and resources. The firm is known for its exceptional practice in corporate law, which keeps the IP side business-savvy. Top-notch litigator Jason Chen takes the lead for IP disputes.

Lee and Li Attorneys at Law

For over five decades, Lee and Li has dispensed a refined trademark service to patrons. Adept at handling large-scale prosecution programmes, the set knows how to manoeuvre actions at the TIPO. The prolific trademark filer also places a strong focus on quality – testament to which is the lasting protection that it secures for clients’ key trademarks. Active beyond the borders of Taiwan, the team acquits itself with distinction safeguarding IP rights, particularly in Greater China and Hong Kong. Senior counsellor Joseph Shih-Pin Yang and partner Ruey-Sen Tsai are the names to know. Yang’s experience makes him an effective solver of complex trademark and copyright problems. With expertise encompassing all facets of intellectual property, Tsai is an adept all-rounder fit for any instruction.

Saint Island International Patent & Law Offices

Regarded as one of the leading firms in Taiwan, Saint Island is widely praised for its tailored strategies and impeccable understanding of the local market. “Always providing a substantive response within 24 hours, their instructions are clear and concise, and their English language skills are extraordinary.” The side’s prosecution work has recently included filing for Starlux Airlines and opposition matters for Adobe Systems and Arm Limited. Equipped with over two decades of experience, IP department lead Julia Hung is entrusted by both local and foreign clients to deliver expert advice and solutions. Fellow IP partner Amanda Liu has solid experience in prosecution and enforcement matters – she has recently been working on a handful of opposition cases for the Swatch Group and the IKEA Group. WTR 1000 sophomore Tony Chang has continued to impress patrons and peers when it comes to contentious work. Chang recently acted on behalf of Vitalon Foods, owner of a well-known Taiwanese iced tea brand.

Tai E International Patent & Law Office

Internationally reputed Tai E is a repository of trust in Taiwan, boasting a long history and an excellent track record of success throughout all phases of the trademark lifecycle. Distinguished by its seamless handling of portfolios with the aid of sophisticated AI tools and technology, the outfit has set new filing records. Thanks to process efficiency improvements and the continued cultivation of an excellent overseas network of correspondents, the international practice has seen much growth too. Fred Chi-Tai Yen not only provides strong leadership, he has also been at the forefront of recent work highlights. Yen has showcased his powers of persuasion in oppositions and non-use revocation actions before the TIPO on behalf of big name brands such as Mattel, Bentley Motors and Fear of God. Assistant manager of the trademark division Amanda Hung is an experienced agent who can be relied on for positive outcomes. Working closely with Yen, she has delivered successful opposition results for Novartis and Giorgio Armani. When disputes rise to the highest level, firm president Henry Guei is on hand to guide strategy and provide robust representation. A crack enforcer, he has scored impressive results on behalf of Tender Forever International and Birkenstock.

TIPLO - Taiwan International Patent & Law Office

Known among partners for its strong base of Japanese clients and revered presence in the Japanese market, TIPLO has retained top talent to serve local and foreign patrons alike. IP veteran HG Chen is widely regarded as a leading figure in Taiwan – with “a lot of valuable knowledge and experience”, he has plenty to offer his peers. Senior manager of the trademark department Johnny Yang is another name for the address book.

Tsai Lee & Chen Patent Attorneys & Attorneys at Law 

The large but tight-knit IP team at Tsai, Lee & Chen offers the full spectrum of IP services. Not only are practitioners multilingual, they are also well versed in all aspects of trademarks, shining brightest in opposition, invalidation and cancellation matters. “The firm has been very reliable in its advice. They are very responsive, and we have always been able to trust that they can act even within short notice.” Prosecution guru Yiling Liu is the chief of the trademark department. She recently tackled the subject of morality in trademark registrations and successfully assisted GUMGUM in overturning a rejection from the TIPO. Fluent in Cantonese, English, Mandarin and Taiwanese, Crystal J Chen straddles the contentious/non-contentious divide.

Tsar & Tsai Law Firm

Tsar & Tsai Law Firm may be known for its corporate practice, but the IP team piggybacks on the firm’s strong commercial strategies to handle trademark matters of all shapes and sizes with a business-savvy approach. IP partner Joyce Ho sets her sights on high-tech industries. An authority on anti-counterfeiting and unfair competition, Ho also assists clients in monitoring customs and counterfeit investigations.

Winkler Partners

A leading player in litigation and the go-to firm for multinational and top-dollar brands, Winkler Partners continues to impress peers and clients alike with its second-to-none strategies and brand protection work. The set has recently been growing its sports entertainment and media work, as well as over the top-related trademark matters. “Winkler Partners maintains good relations with the IP police, Customs and other authorities in Taiwan, which makes achieving clients’ goals in enforcement matters much easier. They are responsive, detail-oriented and flexible when clients have budgetary concerns.” Leader Peter Dernbach is a standout choice when it comes to IP strategy, protection and enforcement. Overcoming all obstacles, Dernbach has recently filed successful registrations for a world-leading social network and a national whisky association. Gary Kuo heads up the litigation side and regularly deep dives into myriad civil and criminal litigation cases. Fellow experienced litigator Christine Chen is known for winning the largest damages claim for a luxury brand in a trademark infringement case. Chen is also a leading figure in anti-counterfeiting and IP enforcement.

Wisdom International Patent & Law Office 

Wisdom International Patent & Law Offices debuts in the WTR 1000 on the back of outstanding trademark work and growing market presence. The firm has a line-up of experienced practitioners with technical backgrounds in areas such as engineering and biotechnology. Through its offering of comprehensive and tailored services, the IP boutique gives clients the best of both worlds while maintaining a focused and collaborative practice. Director George Huang devotes his expertise and 27 years of experience to trademark prosecution matters. Fluent in English and Japanese, Huang is well known for helping Japanese rights holders obtain and protect their intellectual property globally.

Zoomlaw Attorneys-at-Law 

Top trademark filer Zoomlaw helps clients to register and protect their trademarks across 150 countries. Managing partner Kuo-Hua Fan draws on a background in environmental science and law to lead the IP boutique with a unique perspective and creative strategies.

Other recommended experts

Running an IP and commercial law practice out of ALTAI Law Firm, Gary Scott is a licensed practitioner in both Taiwan and the United Kingdom. Highly recommended by her peers, Jane Tsai leads the trademark team at Lee, Tsai & Partners. Tsai has formidable experience in dispute resolution and trademark litigation.

Individuals: enforcement and litigation

  • Peter J Dernbach - Winkler Partners
  • Grace Shao - Baker McKenzie
  • Tony Chang - Saint Island International Patent & Law Offices
  • Christine Chen - Winkler Partners
  • Crystal J Chen - Tsai, Lee & Chen Patent Attorneys & Attorneys at Law 
  • Eve Chen - Eiger
  • HG Chen - TIPLO - Taiwan International Patent & Law Office
  • Jason Chen - Jones Day
  • Shelly Chen - Chen & Lin Attorneys-at-Law
  • John Eastwood - Eiger
  • Kuo-Hua Fan - Zoomlaw Attorneys-at-Law 
  • Henry Guei - Tai E International Patent & Law Office
  • Joyce Ho - Tsar & Tsai Law Firm
  • Julia Hung - Saint Island International Patent & Law Offices
  • Gary Kuo - Winkler Partners
  • Yulan Kuo - Formosa Transnational Attorneys at Law
  • Fa-Li Lin - Formosa Transnational Attorneys at Law
  • Amanda Liu - Saint Island International Patent & Law Offices
  • Ruey-Sen Tsai - Lee and Li Attorneys at Law
  • Jo-Fan Yu - Baker McKenzie

Individuals: prosecution and strategy

  • Peter J Dernbach - Winkler Partners
  • Grace Shao - Baker McKenzie
  • Eve Chen - Eiger
  • Shelly Chen - Chen & Lin Attorneys-at-Law
  • John Eastwood - Eiger
  • Kuo-Hua Fan - Zoomlaw Attorneys-at-Law 
  • Joyce Ho - Tsar & Tsai Law Firm
  • George Huang - Wisdom International Patent and Law Office
  • Amanda Hung - Tai E International Patent & Law Office
  • Julia Hung - Saint Island International Patent & Law Offices
  • Amanda Liu - Saint Island International Patent & Law Offices
  • Yiling Liu - Tsai, Lee & Chen Patent Attorneys & Attorneys at Law 
  • Gary Scott - ALTAI Partnership
  • Jane Tsai - Lee, Tsai & Partners
  • Johnny Yang - TIPLO - Taiwan International Patent & Law Office
  • Joseph Shih-Pin Yang - Lee and Li Attorneys at Law
  • Fred Chi-Tai Yen - Tai E International Patent & Law Office