Patent Litigation and Invalidity Actions
Patent litigation is Lifang & Partners' core practice area and traditional strength. Our patent litigation team includes over 30 professionals, with over 20 in Beijing. Our team members all have either scientific or engineering qualifications, along with legal qualifications.
Our expertise and fame in litigation come from handling hundreds of complex patent infringement and invalidation cases. This experience allows our patent litigation team to provide our clients with precise and effective litigation strategies.
Notable cases
Samsung v. Huawei – Patent disputes
SEP Infringement and Invalidation Case between Xiaomi and Siemens
Sogou v. Baidu – Litigations
SEP Infringement Case between Meizu and Siemens
Global Innovation Aggregators LLC v. Sony – Patent disputes
Ban Xiuqin (An NPE) v. ByteDance – Patent infringement dispute
MediaTek v. NXP - Series patent infringement lawsuits
Insights Value v. IBM - Series patent disputes
Sunny Optics v. AAC Optics - Series patent infringement litigation and patent invalidation cases
The Zalman patent infringement and invalidation disputes
Yulong Computer Telecommunication Scientific (Shenzhen) Co Ltd v. Xiaomi - Patent disputes
360 v. 2345 - Patent disputes
Shenzhen DJI-Innovations v. ZEROTECH- Patent infringement and invalidation disputes
ZTE v. Huawei - Patent invalidation disputes
Hyosung v. Hitachi Omron – Patent infringement litigation
Sunmoon Microelectronics v. Tianwei Company – Administrative litigation on Revocation of Exclusive Right of integrated circuit layout-design
Rhodia v. HySci –Patent infringement disputes and patent invalidation
Siemens v. Shenzhen Aqara Technology Co Ltd - Design patent infringement case
Solas v. Samsung - Patent disputes
Ele.me v. Meituan – Patent infringement disputes and patent invalidation
KUNER v. several smartphone battery companies - Patent infringement disputes and patent invalidation
Mobike v. TiBike
Liaoning Banruo Network Technology Co Ltd v. Hewlett-Packard - Patent invalidation re-examination application
Harbour Network v. Huawei Technologies
POSCO v. Daniel and Kofisen Meknizzi - Patent invalidation
Fuel Tech et al. v. Low Carbon Environmental Tech Co Ltd
Dyson v. Puppy - Design patent infringement
The Filtrona International Limited patent infringement disputes
AGC v. Xuhong – Series invention patent infringement disputes
Wushiyaoye v. Aonuo (China) Pharmaceutical Corporation – Patent infringement case
Duksan (Korea) v. Merck (Germany)
Seiko-Epson (Japan) v. SIPO’s Patent Re-examination Board - Patent validity dispute
DJI, DJI OSMO v Zhiyun- Patent disputes
Segway-Ninebot v. Phoenix Bicycle