Tang Tiejun is a Partner at Wanhuida Intellectual Property. Tiejun’s practice focuses on patent litigation. She has abundant experience in litigating complex patent cases.

Tiejun has represented multinational and domestic Chinese companies, particularly chemical, pharmaceutical and biotech companies, in their patent validity and infringement litigations before the Patent Reexamination Board (PRB) and courts of all levels. She addresses leading edge legal issues in many of her cases. Tiejun also has experience litigating other technology cases, such as patent ownership disputes and trade secret cases and advises clients on validity, infringement/freedom-to-operate, and other IP matters.