Tai E International Patent & Law Office

The firm was founded in 1952 as a general law firm and was renamed Tai E in 1976. With approximately 280 staff members from diverse professional backgrounds, Tai E has developed into a highly respected international intellectual property law firm providing a full range of IP services.

Tai E is particularly recognised for its expertise in IP prosecution, litigation and dispute resolution, frequently involving cross-border matters. Its patent division comprises specialists across a broad range of technical fields, including pharmacology, chemistry, biotechnology, immunology, computers and software, electronics, semiconductors, physics, mechanical engineering and industrial design. Depending on the nature of each case, professionals across different disciplines collaborate to deliver optimal outcomes for clients. The firm also maintains a well-established trademark division offering services including trademark searches, registration prosecution, appeals, oppositions, invalidation and revocation proceedings, as well as related legal services such as investigations, infringement assessments, coordination of police raids and full-scale litigation. All of the firm’s professionals are experienced in working within international prosecution frameworks and reporting practices and are proficient in at least English or Japanese, with some being multilingual. Moreover, clear and timely communication with foreign associates and international clients is a key feature of the firm’s practice.The firm’s clientele spans the life sciences, pharmaceutical, automobile, electrical engineering, technology and fashion industries.

In addition, Tai E provides a broad range of consulting and educational programmes to local enterprises and is frequently consulted by government agencies. A number of the firm’s professionals have been invited to participate in public hearings concerning amendments to IP laws and regulations, including the Trademark Act, the Patent Act and related Examination Guidelines. The firm also plays an active role in various professional organisations and provides pro bono legal services at the Taiwan Intellectual Property Office.

Tai E has been consistently recognised by overseas peers and clients as one of the leading IP law firms in Taiwan and has earned a strong reputation through its top-tier rankings in issued patents and trademarks obtained for international clients. Through extensive experience in both international and domestic IP prosecution and protection, the firm is familiar with IP market landscapes ranging from global corporations to individual inventors, as well as developments in local IP practice and trends in international IP harmonisation across multiple jurisdictions, thus enabling the firm to provide practical, jurisdiction-specific advice that aligns Taiwanese practice with broader global IP strategies. Supported by long-standing client trust, the number of patent and trademark cases filed by Tai E in Taiwan and other jurisdictions on behalf of global applicants has reached several thousand annually.