Chang Tsi & Partners

We are proud to announce that Chang Tsi & Partners has been awarded the prestigious ★★★★★ rating in the 2024 Intellectual Property Service Agency Classification by the Capital Intellectual Property Services Association. The evaluation process followed principles of voluntary participation, fairness, transparency, and thorough expert review, including preliminary and final assessments. We are grateful for the trust and support of our clients and the wider community. Chang Tsi & Partners will keep pushing forward, striving for excellence, and creating even greater value for the industry! #IP #Award

In her latest article, Nancy Qu provides an in-depth analysis of how to effectively respond to high-stakes #patent #invalidation requests and #infringement lawsuits demanding substantial compensation. Highlighting a complex case managed by her team, the piece outlines strategic measures including filing counter-invalidation requests, engaging in settlement negotiations, and leveraging successful outcomes to reinforce the defense. This case exemplifies the ability of Chang Tsi’s litigation team to adapt and respond under pressure, ultimately securing a favorable court ruling that protected our client's market position, reputation, and financial interests.

Demi Wang, Partner and U.S. Office Director at Chang Tsi & Partners, recently attended the prestigious AIPLA Annual Meeting, which convened over a thousand top intellectual property professionals. This event is a premier forum for discussing innovation, IP strategies, and legal advancements. Demi’s participation underscores our strong international presence and commitment to leading global IP practices. At Chang Tsi & Partners, we bridge East and West with expert management of cross-border IP cases, demonstrating our dedication to excellence and client-focused innovation. Stay connected for more on how we harness global expertise to enhance our services! #aiplaAM24

In October, over 200 staff and their families gathered in Beijing for a memorable Sports Day and Family Day at Chang Tsi & Partners. With a focus on fostering teamwork and well-being, the event featured exciting competitions like "Super Obstacle Course" and "Team Tug of War," showcasing the firm’s spirit and camaraderie. Ron Tsi highlighted the firm’s commitment to a vibrant corporate culture, offering initiatives that promote health and support for employees. The event also included a fun area for families, ensuring a joyful atmosphere for all ages. Recognized as "China's Best Employer" for six consecutive years, Chang Tsi & Partners continues to cultivate a caring and supportive environment, where every team member can thrive. Together, we believe in running towards a brighter future, hand in hand! 💪🎉 #ChangTsi #Sports #CorporateCulture

A trademark infringement case for DEVCON trademark, handled by Chang Tsi Team, receives high praise from Leshan Intermediate Court, Sichuan Province. In a recent cross-border trademark infringement case, Tracy Shen and Hermione Zhang, representing Illinois Tool Works (#ITW) and its subsidiary, secured a victory against counterfeiters of their #DEVCON brand. The court ruled in favor of ITW, holding multiple parties accountable for civil compensation in addition to prior criminal penalties. Leshan Intermediate Court commended the case for setting a benchmark in protecting IP rights, reinforcing public confidence, and strengthening the business environment. A prime example of justice in action! #IP #Trademark #CourtRuling

Strengthening border protection through training and cooperation is key to upholding brand integrity and ensuring a fair marketplace. Chang Tsi & Partners is committed to continuous collaboration with the customs authorities to safeguard the IP rights of our clients.

In her latest article, Yan Gao delves into the complexities of #evidence assessment in non-use cancellation cases under #trademark law. Continuous use is crucial for a trademark’s #validity, and this piece sheds light on the key factors in proving such use — from authenticity and timing to direct relevance. Yan Gao breaks down evidence requirements, common pitfalls, and the procedural journey in trademark cancellation cases, making this a must-read for legal professionals and #IP stakeholders aiming to safeguard trademark rights effectively.

Chang Tsi & Partners had the honor of participating in the 2024 AIPPI World Intellectual Property Congress, held for the first time in China from October 19 to 22. During the event, we had insightful discussions with AIPPI leaders and EUIPO officials, focusing on global IP protection trends and legal collaboration. This opportunity not only strengthened international cooperation but also reinforced our commitment to advancing China's role in the global IP landscape. We're excited to continue driving innovation and collaboration in the field of intellectual property! #AIPPI #IPProtection #GlobalCooperation

In her latest article, Nancy Qu dives into the complexities of determining the contribution rate in #patent infringement cases. While the formula for calculating compensation—sales amount * interest rate * contribution rate—is widely accepted, identifying a patent's specific contribution rate remains a challenge in many cases. Nancy reviews judicial judgments over the past five years in China, offering insights into the factors courts consider when determining contribution rates and providing key takeaways for IP practitioners. Read on for a detailed analysis of relevant #cases and #judicial guidelines shaping patent #compensation decisions.

From October 7 to 11, 2024, the 22nd session of #WIPO's Madrid System Legal Development Working Group took place in #Geneva, Switzerland, attracting representatives from over 100 countries. Discussions focused on key topics such as #trademark dependency and the inclusion of new working languages. Mr. Ming Zhu, Head of Trademark Practice in China at Chang Tsi & Partners, participated in the meeting, representing the China Trademark Association's Madrid Working Committee. As an observer, Mr. Zhu actively contributed to discussions on introducing Chinese as a working language and highlighted the importance of addressing concerns for Chinese applicants.