As a trademark agent at Chang Tsi & Partners, Echo Liu specializes in establishing and securing intellectual property rights for international clients, focusing on the protection and enhancement of trademarks, copyrights, and domain names rights. She has provided intellectual property legal services to numerous Fortune 500 companies and internationally renowned law firms, excelling in trademark, copyright, and domain name registration, licensing, infringement remedies, and strategic advisory services. Echo Liu offers comprehensive intellectual property protection strategies and rights defense solutions, earning clients' trust and recognition while accumulating extensive expertise and practical experience.

Her clients span the United States, Europe, Asia, and other regions, covering sectors such as finance, manufacturing, automotive, toys, furniture, IP licensing, and education. Echo Liu is known for her meticulous and innovative approach, adept at meeting client needs and addressing their concerns to ensure their legal rights are fully safeguarded in the global market.