Intellectual Asset Management (IAM), a leading international IP publication, has released its IAM Strategy 300 – The World’s Leading IP Strategists 2026. Spring Chang, Founding Partner of Chang Tsi & Partners, and Nancy Qu, Partner of the firm, have both been recognized in this year’s edition. Their inclusion highlights the firm’s continued strength and growing influence in the global intellectual property landscape.

With more than three decades of experience in IP law, Spring Chang has built extensive expertise in trademark prosecution and portfolio strategy, cross-class protection, brand portfolio management, and complex IP planning. Her legal expertise, extensive practical experience, and longstanding influence in the profession have earned her numerous leading individual recognitions over the years, including being named an “Eminent Practitioner” by Chambers and Partners, a “Hall of Fame” practitioner by The Legal 500, and a “Global Leader” by World Trademark Review (WTR). These accolades reflect her sustained contribution and standing in the IP field.

Nancy Qu is widely recognized for her strong capabilities in patent litigation and her experience handling complex disputes across a broad range of technologies. She has advised Fortune 500 companies, leading Chinese technology businesses, and multinational brands in major patent disputes involving telecommunications, electronics, mechanical engineering, artificial intelligence, and advanced manufacturing. Her strategic experience also extends to emerging and high-tech sectors, including AI and consumer electronics. Through her work on complex patent matters and technology-related cooperation projects, Nancy has demonstrated the ability to view IP from a broader business perspective, helping companies transform patents from defensive assets into strategic drivers of growth.

As one of China’s leading IP law firms, Chang Tsi & Partners has long focused on trademarks, patents, copyright, unfair competition, and IP dispute resolution. The firm provides comprehensive trademark services covering applications and registrations, oppositions, invalidations, administrative litigation, civil infringement litigation, and brand protection. Its patent practice brings together professionals with expertise across telecommunications, artificial intelligence, biotechnology and pharmaceuticals, chemical materials, mechanical engineering, and advanced manufacturing, providing integrated solutions ranging from patent prosecution and portfolio development to invalidation, infringement litigation, and IP commercialization.

The IAM Strategy 300 recognizes leading professionals around the world who have demonstrated outstanding capabilities in creating, developing, and leveraging IP value through strategic planning and commercial application. Candidates are selected through extensive research, peer recommendations, and assessment by IAM’s editorial team. The selection considers not only professional expertise and industry experience, but also achievements in areas such as IP commercialization, portfolio management, complex disputes, and cross-border matters. Recognition in the IAM Strategy 300 reflects a strong reputation for delivering forward-looking IP strategies aligned with clients’ broader business objectives.