Technical field

• Semiconductor Technology
• Telecommunication Technology
• Consumer Electronics
• Artificial Intelligence
• Trademark Clearance, Filing and Prosecution
• Patent Clearance
• Design Patent
• Copyright and Domain Name
• Dispute Resolution

Years with IP Matters

2003 until now

Professional Experience

• Chang Tsi & Partners,Partner
• CCPIT Patent and Trademark Law Office, Beijing ，Director, Patent and Trademark Agent
• Beijing EastIP Intellectual Property Agency Ltd.  Patent Engineer

Representative Cases

Trademark Cancellations & Invalidations (China)

• Represented JD.com in a series of invalidation proceedings against Alibaba's registered “双十一” trademarks. Prevailed at first instance and on appeal, resulting in invalidation of 18 registrations. The decision significantly reshaped practices in China's e-commerce sector and received widespread coverage by CCTV and other national media.
• Represented Kuaishou Technology (Kwai) in the KWAI BOO trademark invalidation proceeding. Won at all levels; the case was selected by the Beijing Trademark Association as one of the Top Ten Non-Litigation Trademark Cases of 2022.
• Represented TAL Education in the invalidation of the “学而尚” mark, securing reversal on appeal. The Beijing IP Court recognized “学而思”  as a well-known mark for the first time in individual case proceedings.
• Represented MerX (美克·美家) in the invalidation of the “美克·华菲” mark—which had been registered for over ten years—and secured reversal on appeal. “美克·美家” was recognized as a well-known mark for the first time in an individual proceeding.
• Represented JD.com in the invalidation of the “Jing Dong Hua” mark; prevailed at first instance and on appeal, disrupting the infringer’s rights.
• Represented JD.com in administrative litigation arising from the revocation of the “京拼拼” mark, successfully defeating a bad-faith copycat registration.
• Represented Wuxi Little Swan Co. in multiple invalidation and revocation proceedings against bad-faith “Little Swan” registrations in Class 11; the Little Swan mark was recognized as well-known across several cases.
• Represented Junlebao Dairy in the invalidation of a bad-faith “悦鲜活” registration in Class 3; prevailed at first instance and on appeal.
• Represented China Resources in a revocation proceeding; prevailed at first instance, successfully removing a competing mark in the same industry.

Prosecution & Office Action Responses (China)

• Represented China Telecom in the appeal of a refused application for “China Telecom 5G,” developing an innovative evidentiary framework to overcome a Section 10 misleading-consumers refusal. The approach was cited in the CNIPA’s official Q&A guidance on trademark appeal evidence, influencing examination practice nationwide.
• Represented Great Wall Motor in administrative litigation over the refusal of the “Salon” trademark application; prevailed at first instance and on appeal, overcoming a distinctiveness refusal under the absolute grounds.

International & Cross-Border Matters

• Represented a top EV Manufacturer in a trademark invalidation in Morocco, successfully canceling a bad-faith registration using copyright as the basis for the claim, clearing the path for market entry.
• Represented a major Chinese automobile manufacturer in trademark opposition proceedings in the United Kingdom; negotiated coexistence agreements with two European companies over a two-year period, securing registration of a key model name.
• Led the team representing Hunan China Tobacco in Indonesia, obtaining recognition of the "芙蓉王" mark as well-known and securing invalidation of a squatted registration.
• Led the team representing XCMG Group in a multi-stage invalidation proceeding in Turkey against a mark that had been registered for over ten years; ultimately prevailed before the Turkish Court of Cassation.
• Led the team representing JD.com in Thai administrative litigation and before the Thai Supreme Court, overcoming a distinctiveness refusal and changing local examination practice.
• Led the team representing a Chinese petrochemical company in Pakistan, winning more than 100 trademark opposition and invalidation proceedings and coordinating police raids and civil litigation to dismantle an organized infringement operation.
• Represented a Chinese tool manufacturer in resolving adverse trademark proceedings in India and Bolivia, protecting the client's market position despite the absence of prior registered rights.
• Represented a major Chinese financial institution in EU trademark invalidity proceedings brought by a local competitor; successfully negotiated a coexistence agreement, preserving the client's core EU trademark registrations and ensuring continuity of operations.

Selected Awards

• The Legal 500 Asia Pacific – Leading Individual, Intellectual Property (2025)
• The Legal 500 Asia Pacific – Next Generation Partner, Intellectual Property (2024)
• World Trademark Review (WTR) 1000 – Recommended Practitioner (2024–2025)
• China Trademark Association – Gold Service Individual Award (2024)
• China Trademark Association – Top-Tier Talent, Trademark Expert Pool (2024–present)
• National Expert, CCPIT Overseas IP Dispute Resolution and Guidance Center (2025–present)
• Practice Group recognized as "National March 8th Red-Banner Collective," All-China Women's Federation (2025)
• CCPIT Outstanding CPC Member (2021)

Education

• Visiting Scholar – Intellectual Property Law  ·  Franklin Pierce School of Law (UNH Law), Concord, New Hampshire  ·  2013
• B.S., Wireless Communication and Information Processing (Electronic Engineering)  ·  Tsinghua University, Beijing  ·  1998
• B.A., Business Administration (Economics)  ·  Tsinghua University, Beijing  ·  1998

Speech

• "Trademark Administrative Litigation: Case Studies and Advocacy Techniques"  —  4th IP Frontier Trademark Forum, 2025
• "Overseas Trademark Registration and Protection"  —  Shenzhen CCPIT Enterprise Compliance Training, 2025
• "Prospects for China's Trademark Law Amendment"  —  BRICS IP Forum, 2025
• "Trademark Coexistence Agreements: Competition or Collaboration"  —  3rd FMCG IP Service Conference (Roundtable Moderator), 2025
• "AI and Trademark Practice: What Changes, What Stays the Same"  —  Northwest University of Political Science and Law, 2024
• "Trademark Filing Strategies and Infringement Risk Management"  —  Shandong CCPIT Legal Training Program, 2024
• "Non-Standardized Goods: Recognition and Filing Strategies"  —  2nd IP Frontier Trademark Forum, 2024
• "Well-Known Trademark Protection for Time-Honored Brands"  —  Xicheng District Market Supervision Administration Training, 2024
• "Trademark Design, Registration, and the Path to Famous Mark Status"  —  China Chamber of International Commerce Business Forum, 2023
• "Brand Protection Strategy for Chinese Companies Going Global"  —  ALB China IP Forum, 2023
• "Trademark Filing Strategy: From Design to Registration"  —  Quality Brands Protection Committee (QBPC) Seminar, 2023
• "Building a Century Brand: Trademark Strategy from Registration to Well-Known Status"  —  Tsinghua University IP Forum, 2023
• "China Trademark Registration System: Updates and Developments"  —  BRICS IP Forum, 2023
• "IP Protection Strategies for Internationalizing Chinese Enterprises"  —  China International Fair for Trade in Services (CIFTIS) IP Forum, 2021

Publications

• 2025  "Why Appeal After Prevailing in a Cancellation Proceeding: Reflections on the Principle of Comprehensive Judicial Review in Trademark Administrative Litigation,"  China Trademarks
• 2025  "Why We Appeal After Prevailing in Cancellation Proceedings,"  The Trademark Lawyer (annual edition)
• 2024  "Recognition of Non-Standardized Goods and Filing Strategies,"  China Trademarks
• 2024  "Considering Non-Famous Factors in Well-Known Mark Recognition Proceedings,"  China Business Law Journal
• 2023  "Luckin Coffee's Failed Enforcement in Thailand: Analysis and Recommendations,"  China IP (co-authored)
• 2023  "Italy’s New Administrative Procedure for Trademark Cancellation and Invalidation,"  China Trade News 
• 2023  "Japan's Trademark System: Applications and Registration,"  China IP (知识产权家)

Membership

• International Trademark Association (INTA) – China Sub-Group, GAC Committee Member (2026)
• China Trademark Association – Senior Advisor, Trademark Expert Pool (2024–present)
• National Expert for Overseas IP Dispute Solution since 2025
• International Association for the Protection of Intellectual Property (AIPPI) – China Chapter Member; Geographical Indications Committee (2014–present)
• Licensing Executives Society International (LESI) – China Chapter Member (2010–present)

Bar Admission

China Patent Bar

Languages

Chinese
English