Ruey-Sen Tsai of Lee and Li, Attorneys-at-Law

Ruey-Sen got his LL.B. degree from National Taiwan University and his LL.M. degree from Cornell Law School, and is qualified for practice in Taiwan as a lawyer, patent attorney and arbitrator.

He focuses his practice in trademarks, patents, copyrights, domain names trade secrets, trade dress and other intellectual property disputes, and has been recognized as one of the leading IP lawyers in Taiwan by several independent surveys.

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In Determination of Trademark Parody Fair Use, Culture Differences and the Products Used Should be Considered

Generally speaking, “trademark parody fair use” is a defense where an unauthorized trademark user claims that the use should be shielded from liability because of public interests such as freedom of speech. In Taiwan, while there were court judgments that recognized “trademark parody fair use”, there is no clear language for such defense in the … Continue Reading

The Concept of Reverse Confusion is Not Applicable under the Current Trademark Practice in Taiwan

By Ruey-Sen Tsai of Lee and Li, Attorneys-at-Law and Celia Tao of Lee and Li, Attorneys-at-Law on December 25, 2019 Posted in Asia Pacific, Trademarks

As a principle, Taiwan adopts a “first to file” trademark registration system. Under the system, fame and extensive use are not the requirements for registering a trademark. In addition, under Article 2 of the Trademark Act in Taiwan, the holder of a trademark cannot claim its right under the Act unless the trademark has been … Continue Reading

Application for the Chinese Translation of a Foreign Trademark as a Trademark with Knowledge of Likelihood of Confusion Considered in Bad Faith

By Ruey-Sen Tsai of Lee and Li, Attorneys-at-Law and Celia Tao of Lee and Li, Attorneys-at-Law on August 13, 2019 Posted in Asia Pacific, Case Studies, Foreign Protection, Trade Secrets

Chinese (Mandarin) is the national language in Taiwan. To expand the market in Taiwan, many foreign companies will select the Chinese translation or transliteration of their foreign brands as locally used brands (trademarks) so that the consumers in Taiwan may identify more easily. However, in Chinese language, one character may have multiple pronunciations or meanings. … Continue Reading