Tian Yuan Law Firm
Client SatisfactionTian Yuan Law Firm‘s IP team is particularly experienced in the IT, communications and internet sectors. It is also increasingly active in patent and trade secret disputes, Internet Protocol television matters, and biomedicine. The team is co-led by IP rights infringement expert Yan Sun and IP litigator Shizhan Guo.
Legal 500 Editorial commentary
Key clients
- China Tianchen Engineering Co., Ltd.
- UFIDA Network Technology Co., Ltd.
- Qingdao Baheal Pharmaceutical Co., Ltd.
- China Academic CD-ROM Journal Publishing House Co., Ltd.
- Beijing Peking University Software Engineering Co., Ltd.
- Beijing Tongrentang Medical Care Industry Investment Group Co., Ltd.
- China Biotechnology Development Center
- Hefei Enruite Pharmaceutical Co., Ltd.
- Beijing Institute of Quantum Science
- Nanjing Yigao Medical Technology Co., Ltd.
Work highlights
- Represented Plato Company in its patent ownership dispute with Xi'an Xintong Company.
- Represented Aichuang in a software copyright infringement case against Aolongxin and Pfizer.
- Represented China Tianchen Engineering Co in a trade secret infringement dispute with Asahi Kasei Corporation.
Practice head
The lawyer(s) leading their teams.
Yan Sun, Shizhan Guo