Tian Yuan Law Firm
Client SatisfactionTian Yuan Law Firm is noted for its focus on representing domestic clients in the IT, telecoms, and internet industries. The team has expertise in patent licensing, ownership and invalidation disputes, and unfair competition issues. The team is led by Yan Sun from Beijing, who is experienced in assisting software and telecom companies with both civil and criminal IP litigation. With a background in science and engineering, Xiaoli Yang is well-equipped to handle patent infringement and administrative litigation.
Legal 500 Editorial commentary
Key clients
- China Telecom Corporation Limited
- UFIDA Network Technology Co., Ltd.
- Datang Mobile Communications Technology Co., Ltd.
- China Academy of Railway Sciences
- Dana Corporation
- Changzhou Qiangli Electronic New Materials Co., Ltd.
- Yutong Bus Co., Ltd.
- Beijing Xinhe Pharmaceutical Technology Co., Ltd.
- Shanghai Bioengineering Co., Ltd.
- Guangdong Xinrui Liuming Optoelectronics Co., Ltd.
- Hefei Enrui Pharmaceutical Co., Ltd.
- Shanghai Qixiang Qingchen New Materials Technology Co., Ltd.
- Beijing PKU Pioneer Technology Co., Ltd.
- Tsinghua Unigroup Tongxin Microelectronics Co., Ltd.
- Xiamen Hongfa Electroacoustic Co., Ltd.
Practice head
The lawyer(s) leading their teams.
Yan Sun, Shizhan Guo