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Tsai, Lee & Chen Patent Attorneys & Attorneys at Law is a top-tier IP law firm based in Taipei, Taiwan, with more than 180 full-service IP professionals and lawyers.

Firm history and Areas of specialization

Founded in 1995, Tsai, Lee & Chen boomed with the advent of Taiwan’s high-tech industrialization. The firm has since developed a full-service IP law department that encompasses all areas of intellectual property in prosecution, portfolio management, litigation, licensing, etc., with constant trust among its reputable domestic and international clientele.

While the firm primarily practices as an IP boutique, our lawyers also encompasses legal skill to resolve corporate disputes including the shareholders’ meeting, company management, investment and transaction, as well as company tax issues. Our expertise aims to deliver tailored and integrated IP and legal solution in order to comprehensively be of service to our clients.

The firm’s patent expertise, led by nearly 40 patent attorneys licensed in Taiwan and another 45 patent attorneys licensed in China, encompasses the fields of semiconductors, consumer electronics, thin film transistor liquid crystal display technology, mechanical and electrical engineering, artificial intelligence, financial technology, computer hardware and software, telecommunications, biochemistry, pharmaceuticals, business methods and information technology. Its patent advisory service is renowned to be reliable, comprehensive and ethically oriented.

The firm’s trademark team, along with its attorneys at law, is known for its high level of attentiveness and responsiveness towards each of its clients and cases. In addition to specializing in Taiwanese trademark practice to serve its international clients, the firm’s seasoned professionals have managed global trademark protection for its domestic clients. The lawyers at Tsai, Lee & Chen have gained a reputation for their efficiency, reliability and comprehensive legal opinions, as well as their strategic advice on dispute resolution and litigation. The firm also enjoys an outstanding success rate in overcoming citations, oppositions, invalidations and infringement litigations.

International experience

The firm stays up to date with the most recent IP law developments and challenges by actively participating in international IP groups, including the International Trademark Association, the American Intellectual Property Law Association, the International Association for the Protection of Intellectual Property, the Japan Intellectual Property Association, the International Federation of Intellectual Property Attorneys, the Pharmaceutical Trademarks Group, the European Communities Trademark Association, the Intellectual Property Owners Association, the Licensing Executives Society and MARQUES.

The firm has also accumulated valuable experience and networks in China with more than 20 years’ dedication.

Professional diversity

The firm’s leading practitioners have diverse professional backgrounds. Some possess more than one practice admission before the IP Offices in Taiwan, China and the USA. The firm’s domestic and foreign lawyers are familiar with cross-border legal practices and are licensed to practice in Taiwan, China and New York State, USA.

Working languages

Chinese, English, Japanese, German and Korean