TAIWAN Trends and Developments
Trends and Developments Contributed by: Ken-Ying Tseng, Winona Chen and Roger Kai Lee and Li Attorneys-at-Law
Lee and Li Attorneys-at-Law is one of Taiwan’s larg - est and most reputable law firms, offering compre - hensive legal services performed by over 200 lawyers admitted in Taiwan and more than 200 accountants, patent attorneys and other professional personnel. The firm’s professional and sophisticated legal prac - tice has gained recognition from clients worldwide, leading to prestigious accolades. These achieve -
ments not only highlight the exceptional talent within the firm but also showcase its expertise across vari - ous legal domains, including energy law, M&A, bank - ing and finance, capital markets, corporate matters and investment, data protection, cybersecurity, TMT, intellectual property, real estate, dispute resolution and labour law.
Authors
Ken-Ying Tseng has received, in addition to her Taiwanese legal qualifications, an LLM from Harvard Law School. She established Lee and Li’s personal data protection practice group in 2012 and, in 2021, she
and government agencies during administrative litigation. In January 2021, Winona obtained the Certified Fraud Examiner (CFE) credential – highly regarded and valued within the anti-fraud profession. Winona also obtained the information security management systems (ISMS; ISO/IEC 27001:2022) lead auditor and artificial intelligence management systems (AIMS; ISO/IEC 42001:2023) lead auditor credentials in May 2023 and November 2025, respectively.
combined the firm’s TMT and data privacy practices and established a new digital, TMT and data privacy practice group. Ken-Ying advises companies in the businesses of social networks, instant messaging, search engines, portal sites, sharing economy, e-commerce, OTT, online gaming, P2P lending, e-payments and cloud computing, among others. She also advises clients, including multinationals, on privacy and data protection (GDPR), e-marketing, big data, e-signatures, domain names, telecommunications, satellite, fintech, cybersecurity, internet governance and other legal issues.
Roger Kai specialises in privacy protection, cybersecurity and digital industry. Roger frequently provides legal consulting services to clients, including general compliance with the data protection laws and handling
data breach incidents, reviewing and drafting business contracts, and assisting clients with legal due diligence for investment transactions. During his studies in the United States, Roger served as an assistant editor for the Berkeley Technology Law Journal at the University of California, Berkeley. He also obtained qualifications as a CIPP/US during his studies. After graduation, Roger worked at a US law firm specialising in privacy law, where he assisted with cases regarding GDPR and the US privacy regulations.
Winona Chen is a protector and promoter of intangible assets focusing on brand protection, trade mark filing, intellectual property, licensing, enforcement and litigation, as well as trade law, corporate
internal fraud investigations and cybersecurity. Winona has represented famous enterprises during cases involving intellectual property infringement and fair trade law, and has represented enterprises
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