Mr. Deng specializes in patent law and other intellectual property law, representing patent infringement disputes, patent administrative handling disputes, patent invalidation disputes, patent invalidation administrative litigation disputes, commercial secret infringement disputes and other cases.In addition, he can also provide clients with patent invalidation analysis, patent infringement analysis and other legal services. The clients he has served include Samsung Electronics Co.,Ltd., Sichuan Xuhong Optoelectronic Technology Co.,LTD., Beijing Mobike Technology Co.,LTD., Toksan Co.,LTD., Rhodia Chemical Co.,France, Beijing Qihoo Technology Co.,LTD., China Enfei Engineering Technology Co.,LTD., China Enfei Engineering Technology Co., LTD.,etc.

Before joining Lifang & Partners, Mr. Deng worked in intellectual property agency companies and law firms, accumulating rich experience in intellectual property practice.

Represented Samsung in a series of patent infringement cases and invalidation disputes with Huawei.

Represented Hna Group's legal due diligence and patent system construction project.

Mobike patent infringement risk analysis project on bicycle smart lock products.

Represented French Rhodia Chemical Company in a series of patent infringement cases and invalidation disputes with Zibo Jiahua New Material Co., LTD..

Represented Sichuan Xuhong Optoelectronics Co.,LTD. in a series of patent infringement cases and invalidation disputes with Japan AGC Co., LTD..

Represented dispute case of invalidity of invention patent of LED luminescent material between Doksan Shinlux Co., Ltd. and Merck Patent Co., LTD.

Represented dispute case of invalidity of invention patent on lithium extraction from salt lake between Qinghai Institute of Salt Lake Research, Chinese Academy of Sciences and Qinghai Qidi Qingyuan New Material Co., LTD.

Represented Daiichi Sankyo filed a patent infringement lawsuit against Beijing Fuyuan Pharmaceutical Co., LTD. (formerly known as Beijing Wansheng Pharmaceutical Co., LTD.)

A dispute over the invalidity of the invention patent of lithium ion battery materials between Korea SKI Corporation and LG Chem.

Represented dispute case of invalidity of invention patent on Lithium ion electrode cathode material between Ningbo Rongbai New Energy Technology Co., LTD. and Yomicol Co., LTD.

Disputes over patent infringement and invalidity between Beijing Qihoo Technology Co., LTD and Shanghai 2345 Network Holding Group Co., LTD.

Dispute case of infringement and invalidity of invention patent of metal pigment between Ecat Co., LTD. And Changsha Guoxing New Material Co., LTD.

Dispute case between Fulle (Nanjing) Chemical Co., LTD and Guangdong Zhongguo New Material Technology Co., LTD on infringement of trade secrets of hot melt adhesive production process.

Disputes over patent infringement and invalidity between Beijing Jizhijia Technology Co., LTD and Shenzhen Hairu Innovation Technology Co., LTD.

The article "The Application of Patent Preempt Defense from Several Cases" written by Mr. Deng was published on the official account of Lifang & Partners and reprinted by China Lawyer website on June 3, 2020. 

http://www.acla.org.cn/article/page/detailById/29379?from=singlemessage&isappinstalled=0

Mr. Deng wrote "Discussion on the Application of" E-commerce Law "" Notice-Delete" Rule in Patent Infringement Disputes ", which was published on Zhichang platform on August 13, 2020.  

https://mp.weixin.qq.com/s/ebL9x6a6il90jQkgrizT3A

Mr. Deng wrote " On the Identification of Patent Product Makers in OEM/ODM Production Mode", which was published on Zhichang platform on August 26, 2020. 

https://mp.weixin.qq.com/s/UGgCvugRLC0af8HZ9efQxQ

Mr. Deng wrote “a Brief Description of Factors for the Identification of Job-related Inventions and Creations”, which was published on ZhiChanlii Platform on September 4, 2020 and reprinted by Hangzhou Intellectual Property Operation Public Service Platform. 

https://mp.weixin.qq.com/s/cFyN_W4A6plcqZVl7AdZpg

Mr. Deng wrote " The consideration of indirect infringement of help patent in practice is briefly described", which was published on Zhichang platform on October 15, 2020.

https://mp.weixin.qq.com/s/cFyN_W4A6plcqZVl7AdZpg

Mr. Deng wrote " On the key points of patent administrative judicial interpretation", which was published on LexisNexis on September 29, 2020.