Practice Areas

• IP Strategy for Multinationals in China
• IP Due Diligence in Cross-Border M&A
• AI Training Data and Generative AI Compliance
• Copyright Governance of AI-Generated Content
• Data Intellectual Property and Data Compliance
• IP Infringement Litigation and Damages
• Cross-Border Disputes and International Arbitration
• Domain Name Disputes and Digital Brand Protection

Years with IP Matters

Since 2014

Professional Experiences

• Partner & Head of Shanghai Office & Director of Chang Tsi Strategic Research Institute, Chang Tsi & Partners, Shanghai, China
• Counsel & Head of Shanghai Office, Chang Tsi & Partners, Shanghai, China
• Visiting Lawyer, Boehmert & Boehmert, Munich, Germany
• Associate, Norton Rose Fulbright Shanghai Pacific Legal joint operation office, Shanghai, China
• Associate, Chang Tsi & Partners, Shanghai, China

Representative Cases

Brand Protection and IP Enforcement

• Led the team in a comprehensive IP enforcement program in China for Johnson Controls, a Fortune 500 leader in smart buildings and climate control, coordinating online takedowns, administrative raids, customs protection and civil litigation across trademark, domain name, copyright and unfair competition claims, and recovering damages in excess of RMB 10 million in aggregate for the client.
• Led the team in building a cross-jurisdictional brand protection system for The Home Depot covering mainland China and Hong Kong, systematically clearing trademark infringement, trade name infringement, Hong Kong shadow companies, gray-market goods and keyword diversion, and restoring a normal market environment for the brand in China.
• Led the team in coordinating Asia-Pacific brand protection for Charles Schwab, a major U.S. financial services group, establishing a standing risk-detection and enforcement arrangement that continuously intercepts new conflicting uses and keeps the brand consistently identified across the regional market.
• Defeated a squatter’s attempt to use customs procedures to block OEM export shipments for Iconix Brand Group, invoking the judicial approach to trademark use in OEM manufacturing for export, directly challenging the squatter’s claims, ultimately securing release of the goods and averting substantial export losses for the client.
• Recovered a maliciously squatted core domain name for a leading European communications company. After the initial domain name dispute was unsuccessful, broke through the established bar on re-filing to have a second complaint accepted, ultimately obtaining a transfer decision and restoring a critical digital asset at minimal cost.
• Coordinated a complex cross-border dispute for a European medical company spanning court litigation, administrative proceedings and international commercial arbitration, while simultaneously responding to lawsuits and trademark attacks launched by the opposing party in multiple jurisdictions, dismantling each source of pressure and prevailing on all fronts.
• Built a tiered enforcement system in China for a global industrial and consumer products group, integrating criminal, civil, administrative and customs channels into unified online and offline protection, and established an Asia-Pacific cross-jurisdictional cooperation framework that severed the cross-border distribution chain for counterfeit goods.
• Handled counterfeit sales and unfair competition in the German market for a leading Chinese life sciences company, initiating warning proceedings under German law that compelled the infringer to take down all listings, safeguarding the client’s brand reputation in a core European market.
• Addressed trademark squatting and counterfeit use in the Korean market for a well-known Chinese retailer, pursuing rights assertions and commercial negotiation in parallel to clear obstacles to the client’s Korean operations.
• Cleared prior-rights obstacles to a North American multinational food group’s core brand in China through combined administrative and judicial proceedings, and led commercial negotiations to a coexistence arrangement that pragmatically ended a long-running brand conflict.
• Secured the free recovery of a squatted trademark for a European family-owned flavors and fragrances company operating under budget constraints, using evidence preservation and proprietary rights filings to build counter-pressure and resolving the matter entirely out of court.
• Handled a series of copyright infringement actions for a leading Chinese technology company, sequencing claims across reproduction, distribution, communication through information networks and attribution rights, and concluding with settlements on substantial damages that curbed infringement in the market.
• Resolved copyright disputes over jewelry designs and promotional materials for a European jewelry brand, clarifying originality and the scope of protection and stopping copying and imitation in the market.
• Provided ongoing border protection for Honeywell and a number of North American fashion and outdoor consumer brands, maintaining customs IP recordals and handling detention and release matters, and intercepting counterfeits simultaneously at the production, distribution and export stages.
• Provided dedicated IP protection in China for multiple European and U.S. industrial inspection, precision instrument and advanced manufacturing companies across machine vision, analytical instruments, automatic identification and heat exchange equipment, using efficient non-contentious measures to stop imitation quickly.
• Defended a well-known multinational, an Asia-Pacific consumer electronics brand and an Asia-Pacific electronic components distribution group in administrative investigations involving false advertising and trademark disputes, presenting defenses through administrative interviews, written submissions and hearings and keeping the clients’ core China operations running.

Cross-Border Transactions and IP Operations

• Acted as PRC counsel on the China acquisitions of a Southeast Asian listed clean energy group and a European industrial software group, leading legal and IP due diligence on the targets, identifying key risks and advising on deal structure and closing arrangements.
• Handled Chinese merger control filings for cross-border acquisitions and greenfield joint ventures of several large Eurasian multinational groups, including an indirect offshore share acquisition valued at over USD 1 billion; all filings were cleared within the transaction timetable without affecting closing.
• Conducted rounds of background and corporate archive investigation into Chinese target companies for a North American sports equipment brand in connection with a potential patent dispute, producing an assessment of the counterparty’s position and dispute risk to inform strategic decisions.
• Completed a ground-up China market entry for a North American technology start-up, recovering a squatted core domain name through anonymous negotiation and coordinating WFOE establishment, website filing, and IP ownership and confidentiality arrangements.
• Designed the rights architecture for technology collaboration and commercialization for a well-known Chinese semiconductor company, establishing unified arrangements for ownership of deliverables, improvement rights and confidentiality obligations across chip design outsourcing, technology development and technology licensing.
• Mapped the ownership of a major French multinational electronics and technology group’s software assets in China, completed copyright registrations and transfers, and issued confirmations on the joint venture’s rights to modify and upgrade the software systems, clearing rights obstacles for localized development and system iteration.
• Completed a series of cross-border patent asset transfers for a Canadian consumer products group, and advised a Hong Kong applied science and technology research institution on the regulatory differences between Hong Kong and mainland China in patent assignment and prosecution, supporting its cross-jurisdictional patent strategy.

Data and AI Compliance; Corporate and Commercial

• Issued dedicated legal opinions to several U.S. multinationals in media and entertainment, food and beverage, and industrial manufacturing on China’s AI legislative developments, regulatory framework and judicial trends, supporting their global AI governance policies and China business decisions.
• Issued a comprehensive legal opinion on the business model of a well-known Chinese company’s internet platform project involving data scraping, model training and external service delivery, assessing copyright, data rights, personal information and advertising compliance risks, and providing a tiered compliance plan and product boundary recommendations.
• Designed a compliance framework for a multinational’s commercial use of generative AI tools, covering risk grading of training data, review mechanisms for generated content, ownership of outputs and allocation of vendor liability.
• Issued a dedicated advisory report to a leading technology company on the protection of rights in AI-generated output, providing a cross-jurisdictional comparison on registrability, ownership and enforcement pathways for AI-generated marks.
• Represented a multinational healthcare company in an employment dispute with a former senior executive, bringing counterclaims over conflict-of-interest transactions conducted through a company affiliated with the executive’s close relatives, and achieving a settlement.
• Handled a series of commercial actions for a U.S. venture capital firm against multiple affiliated entities of the same counterparty, protecting its investment interests through a unified strategy and coordinated sequencing.
• Issued a compliance opinion to a U.S. networking equipment company on the digitalization of its after-sales service arrangements and product-accompanying documentation, defining the compliance boundaries for implementation in China.

Publication

Books and International Publications

• Contributing author, IP Protection in China (Second Edition), Donna P. Suchy (ed.), ABA Book Publishing, 2025 — revision of the chapters “Trademark Law of the PRC” and “Intellectual Property Rights and Antitrust in China.”
• “China: Amendments to Laws and Regulations Bring New Possibilities for Patent Litigation,” The Patent Litigation Review 2024, IAM, 2024.
• “New Trends, New Possibilities: A Comment on the Proposed Fifth Amendment to China’s Trade Mark Law,” GRUR International – Journal of European and International IP Law, Vol. 72, Issue 10, 2023.
• “Fighting against COVID-19 Related Trademark Applications: How China Reversed the Trend?” China Intellectual Property (English version), Issue 98, 2020.

Articles in Chinese Core Journals

• “The Boundaries of Registrability for Offensive Trademarks in the United States: A Perspective from the Redskins Dispute,” Law Review of Economy and Trade, No. 4, 2023.
• “Rethinking the Value of Punitive Damages in Intellectual Property from a Comparative Perspective,” Electronics Intellectual Property, No. 10, 2022 (CSSCI Extended).
• “IP Protection for Green Technologies under the Carbon Neutrality Goal: Status Quo and Improvement,” Science Technology and Law (Chinese-English), No. 6, 2021 (CSSCI Extended).
• “Changes in U.S. Examination Standards for Offensive Trademarks and Their Implications: Starting from COVID-19 Related Trademark Applications,” Intellectual Property, No. 1, 2021 (CSSCI).
• “Interpretation and Application of the ‘Adverse Influence’ Provision in Trademark Registration: A Comparative and Interpretive Analysis,” Electronics Intellectual Property, No. 11, 2020 (CSSCI Extended).

Practice Commentary

Author of dozens of IP practice commentaries in Chinese and English, published on Lexology, Mondaq, IPR Daily and other professional platforms.

Public Speech

• “Protecting Your Know-How: Practical Strategies for SMEs,” European Union Chamber of Commerce in China and China IP SME Helpdesk (Shanghai, June 2026) — keynote speaker and panelist as an external expert of the China IP SME Helpdesk, on trade secret risk management and remedies in the digital economy.
• Comparative AI Law International Conference, Peking University School of Transnational Law (Shenzhen, September 2024) — panelist on the roundtable “AI Practice in China,” addressing emerging legal issues raised by artificial intelligence and compliance for Chinese companies expanding abroad.
• Seminar on anti-unfair competition law, Quality Brands Protection Committee (QBPC) of the China Association of Enterprises with Foreign Investment and the IP Committee of the Shanghai Bar Association (September 2024) — keynote on the Interim Provisions on Anti-Unfair Competition on the Internet, to over one hundred member-company representatives.
• Tsinghua–Berkeley International Forum for IP Scholars, IP Law Center of Tsinghua University School of Law and the Berkeley Center for Law & Technology (Beijing, May 2023) — presented the paper “Registration Boundary of Offensive Trademarks: A Perspective from the Redskins Trademark Dispute.”
• Chang Tsi IP Forum and industry training programs — speaker on trademark law, unfair competition, AIGC and data-related intellectual property.

Social Services

• China IP SME Helpdesk (European Commission) — Expert
• Second-Term Legislative Expert Pool, Shanghai Municipal People’s Government — Expert
• IP Expert Pools of the Pudong New Area Intellectual Property Administration (Shanghai), the Shenzhen Administration for Market Regulation, and the Nanjing Intellectual Property Protection Center — Expert
• 12th Intellectual Property Practice Research Committee, Shanghai Bar Association — Member
• Shanghai Oriental International Commercial Mediation Institute — Mediator
• Shanghai University of Political Science and Law — Adjunct Supervisor

Education

• East China University of Political Science and Law — Postdoctoral Researcher (in progress)
• Max Planck Institute for Innovation and Competition, Germany — Visiting Scholar ｜ German Chancellor Fellowship (2022)
• East China University of Political Science and Law — Ph.D. in Intellectual Property Law (2022)
• University of California, Berkeley — Joint-Training Doctoral Researcher (2020)
• University of Warsaw, Poland — Visiting Scholar ｜ PROM Programme (2019)
• East China University of Political Science and Law — Juris Master (2014)

Awards

Industry Recognition

• LegalOne Yangtze River Delta Legal Awards — Prominent Legal Practitioner, Intellectual Property (2025)
• ALB Yangtze River Delta Rising Star (2025)
• CLECSS Top 10 Outstanding Young Lawyers (2025)
• WIPR Leaders (2024)
• LexisNexis 40 under 40 Asia (2024)

Official Selection

• Shanghai Outstanding Figures in Intellectual Property Services (Second Cohort, 2025)
• Inaugural Dingxin Legal Talent Pool, Shanghai Municipal Bureau of Justice (2024)
• Outstanding Young Lawyer of Pudong New Area (9th, 2024)

Bar Admission    

China Bar

Languages  

Chinese
English