Chiang Ling Li
Partner
About
Chiang Ling Li has been at the forefront of data and intellectual property law for over 30 years. She is highly regarded for her leadership in landmark litigation involving patents, trade secrets, copyright, unfair competition, 3D marks, and well-known marks, as well as for her success in pursuing criminal enforcement of IP infringement in China.
Her practice also encompasses data protection and governance, where she has advised multinational corporations on data breaches, outbound data transfers, and regulatory compliance. Recent highlights of her work include assisting an Asian government with the establishment of a data stock exchange, advising a Middle Eastern government on cybersecurity regulations, and conducting legal analysis on the potential for free data flow in the Greater Bay Area (GBA). Chiang has also developed data governance frameworks for organizations across jurisdictions including the US, UK, Europe, and Asia.
Chiang has been appointed an arbitrator by CIETAC, HKIAC, ADNDRC, and the WIPO Arbitration and Mediation Center, reflecting her standing as a trusted authority in resolving disputes.
A prolific author and thought leader in intellectual property and data law, Chiang contributes to renowned publications such as China Executive Report: Intellectual Property, LexisNexis's Intellectual Property Rights, and Trade Secrets Throughout the World Treatise.
Education
Education & Honours
BSc in Pharmacy - University of Toronto, 1989
Bachelor of Laws - Queen's University, 1992
Master of Laws - University of London, 1998
Admissions & Qualifications
Solicitor, Ontario, Canada, 1994
Solicitor, England & Wales, 1997
Solicitor, Hong Kong, 1997
Affiliations & Memberships
China International Economic & Trade Arbitration Commission (CIETAC)
Hong Kong International Arbitration Centre (HKIAC)
Asian Domain Name Dispute Resolution Centre (ADNDRC)
WIPO Arbitration & Mediation Centre
Languages
Accolades
Asia IP 2025, Patents, Trademarks, Enforcement & IP Litigation
IP Stars- Trade Mark star 2025
Lexology-Data-Client Choice – Global Elite Thought Leader – 2024
World Trademark Review 1000, 2024-Recommended Individual – Transactions
World Trademark Review 1000 2024 - Individual - Prosecution & Strategy – Silver
World Trademark Review 1000 2024 - Individuals: enforcement and litigation – Silver
Chambers, Greater China Region, International Firms 2025, TMT: Data Protection & Privacy – Band 4
Chambers Greater China Region 2025 - Intellectual Property (International Firms) – Band 3
Notable representations
Compliance & Investigations
Data privacy/cybersecurity
- US infection prevention company in $3.6B acquisition of global healthcare provider – China data privacy due diligence for deal involving infection prevention products and services.
- Japanese pharmaceutical company in $3B biopharma alliance – Regulatory and data privacy due diligence for late-stage biopharma acquisition and US healthcare tech partnership.
- Global investment bank on China data privacy – Analysis of cross-border data transfers to cloud systems under cybersecurity laws.
- French cosmetics company on internal social network – Data privacy compliance for employee communication platform.
- Global tech company on China compliance – Review of data security and privacy laws for international operations.
- Japanese biopharma company in US urological therapies acquisition – China data privacy due diligence for remaining stake purchase.
- International beauty company on digital transformation – Data retention policies and blockchain implementation for supply chain transparency.
- Financial advisory firm on cybersecurity compliance – Internal data privacy program development and risk mitigation.
- US private equity firm in biomarker services acquisition – Data privacy due diligence for Belgian and Canadian life sciences targets.
- US pharmaceutical company on data breach response – Incident reporting and compliance plan following patient data compromise.
- Global pharma company on data governance – Implementation of unified structure for clinical, sales, and employee data.
- US healthcare services company in $6.1B acquisition of Irish medtech – Regulatory and data privacy review for digital heart monitoring and nutritional care businesses.
- US health system provider on mobile asthma app – IP, clinical trial, and cross-border data transfer compliance for connected medical devices.
- US life sciences company on China distribution strategy – Regulatory review covering pharmaceutical packaging, bonded zones, data encryption, and anti-monopoly pricing.
- European medical device company on ISO certification – Information security compliance, including data privacy, encryption, and telecom regulations.
- Fortune 50 pharma company on data breach response – Incident management and statutory reporting after patient data exposure.
Intellectual Property
- European heavy machinery company in Suzhou Intermediate People’s Court patent abuse case – Defence against wrongful patent claims involving third-party technology and Chinese national standards.
- Japanese multinational in US pharmaceutical acquisition – Regulatory due diligence, contract negotiation, and post-closing compliance for therapeutic candidates targeting bacterial pneumonia, overactive bladder, and prostate cancer.
- Multinational sporting brand in Supreme People’s Court copyright litigation – Enforcement across 50 proceedings to reclaim pirated trademarks, countering market disruption.
- European machinery company in Supreme People’s Court patent non-infringement case – Precedent-setting judgment against patent hijackers, later codified into Chinese law via 2020 Judicial Interpretation.
- Global education testing organization in trademark dilution case – Secured well-known mark status in China, with the ruling published as a guiding case by the State Intellectual Property Office.