Electronics and Telecommunication

Feynman LIANG


Patent Attorney

Trademark Attorney

Technical Background

Electrical Engineering 

Professional Experience 

Feynman started his career in intellectual property in 2010. He has been working extensively with both domestic and international clients in prosecution, infringement litigation and portfolio management in a wide variety of fields including electrical engineering, computer software and hardware, sensors, microelectronics, and photoelectronics. In addition, he frequently counsels Chinese clients on enforcement of their IP rights and defending of themselves in jurisdictions such as the United States, Germany, France, Italy, and the Netherlands. 


- Louis Vuitton Prevailed in 4-year Trademark Invalidity Proceedings 
- Carl Zeiss Prevailed in 47 Trademark Oppositions and Invalidation Proceeding 
- Overview on Chinese IP Enforcement Environment 2018
- Chinese Self Balancing Vehicle Maker Determined As Infringing: Evidence Collection Through Notary Public
- Why do Guangdong Province and Guangzhou matter to IP practice in China? 
- Reconsider Your Chinese Patent Application at Early Stage of Prosecution  
- Utility Model Patent X Invention Patent: Patent Filing Strategy for Direct Filing in China  
- Chinese IP Court Hands Down Groundbreaking Damages Award; Boon to U.S. Companies with IP Interests in China (Co-author)
- Utility Model Patent X Invention Patent: Patent Filing Strategy for Direct Filing in China
- Design Patent v. Utility Model Patent: Conflicting Applications? 
- Louis Vuitton v. Xianmei Case: Defect in Evidence Supplemented by Other Evidences
- ITC Investigation: Chinese Balance Wheel Makers are in Deep Trouble (Chinese)
- What Chinese Exhibitor should Prepare before Trade Show in the United States (Chinese)

Speaking Engagements

- Speech titled "IP Enforcement in China" delivered in New Hampshire, Arizona, Utah and California (2014)
- Speech titled "Oversea Patent Filing Strategy" delivered at Shenzhen Technology University (2015)
- Speech titled " Collecting Evidence In Patent Litigation:Case studies & Strategies" delivered in Seattle (2018)
- Speech titled " Oversea IP Challenges and Strategies for Chinese Companies " delivered at the 9th China IP International Annual Forum (2019) 
- Speech titled "Risk Management of Intellectual Property in the Trade War Era" delivered at the China Intellectual Property Forum 2019 

Working Languages

Chinese, English