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In 2005, Chunya Li joined Unitalen Attorneys at Law as a perennial intellectual property consultant for many listed companies, and other well-known enterprises abroad, providing intellectual property services and resolving intellectual property disputes, which achieved good social effects.

Chunya Li has successfully represented more than 2,000 trademark legal cases including trademark opposition, invalidation, reexamination, administrative litigation, infringement lawsuits, and domain name disputes. Chunya Li is professional at solving copyright disputes and trademark authorization disputes through administrative procedures and judicial procedures.

Chunya Li participated in the compilation of professional books such as "Intellectual Property Strategy and Practice", "Strategic Management Litigation", "Chinese Lawyer ? Case Record" and accumulated profound theoretical knowledge and practical experience.