From October 30 to November 1, 2025, Chang Tsi & Partners participated in the 2025 Annual Meeting of the American Intellectual Property Law Association (AIPLA) held in Washington, D.C. As one of the world's most influential professional gatherings in the intellectual property (IP) field, the event brought together legal experts, multinational corporate counsel, policymakers, and representatives of leading industry organizations.

Throughout the conference, Chang Tsi & Partners engaged in in-depth discussions with international law firms, in-house counsel, and industry associations on China’s evolving IP enforcement environment. Representatives shared updates on China’s developments in trademark prosecution and enforcement, patent examination and invalidation trends, anti-counterfeiting measures, platform governance practices, and the increasing importance of administrative enforcement pathways.

In addition, Chang Tsi hosted a networking reception in Washington, D.C. The event brought together international corporate IP officers, senior partners from global law firms, and representatives from professional associations. Guests exchanged insights on practical challenges related to cross-border infringement enforcement, localized brand protection strategies in China, and portfolio risk-mitigation approaches under emerging AI regulatory frameworks.

As one of China's leading IP law firms, Chang Tsi & Partners has long maintained robust engagement within the U.S. market. The firm represents a large number of well-known U.S. companies and provides comprehensive services relating to trademark filing and enforcement, patent portfolio management, design protection, copyright compliance, commercial secret investigations, and administrative enforcement applications in China.