Comprehensive Legal Services for Companies

Covering enterprise and company establishment, company operation and management, labor and personnel management and dispute resolution, mergers and acquisitions, enterprise bankruptcy, liquidation and reorganization, and cross-border transactions, etc. in various social and economic fields.

Intellectual Property

Covering patent rights, Copyrights and neighboring rights, trademark rights, trade secrets, network domain names, franchise, integrated circuit layout design.

Competition and Anti-Monopoly

Covering unfair competition diagnosis, unfair competition litigation handling, concentration of undertakings, opinions on anti-monopoly, other competition and anti-monopoly services.

Dispute Resolution and Litigation

Covering commercial dispute mediation, litigation, compulsory execution, and other dispute legal services.

Typical Cases

	Patent Invalidation Case of "Voice Coil Motor for Driving Liquid Lens and Its Lens Unit" Aipeiyi Photo-Electronic Technology (ShenZhen) Co., Ltd. Selected as the Top Ten Cases of Patent Invalidation & Reexamination in 2020 issued by CNIPA
?	Patent Invalidation Cases Regarding "Clathrate Compound for Butylphthalide Cyclodextrin or Cyclodextrin Derivatives and Its Preparation Method and Application" CSPC Zhongqi Pharmaceutical Technology (ShiJiaZhuang) Co., Ltd and CSPC-NBP Pharmaceutical Co., Ltd. Selected as the Top Ten Cases of Patent Invalidation & Reexamination in 2020 issued by CNIPA
?	? Patent Invalidation and Litigation Case Series of "Vertical Continuous Electroplating Device, Continuous Electroplating Transmission System and Continuous Electroplating System” Kunshan Dongwei Technology Co., Ltd. Selected as the Intellectual Property Gold Service Cases in Suzhou in 2020

	Patent Invalidation and Litigation Case of "Casual User Authorization Device and Method for Internet Access Control" Beijing Mobike Technology Co., Ltd. Invalidation case selected as the Top Ten Cases of Patent Invalidation & Reexamination in 2017 issued by CNIPA Litigation case selected as the Top Ten Typical Cases of Patent Administrative Protection in Beijing in 2017 ?
?	Patent Invalidation Case of "Methanesulfonate A-crystal Form of Nicotinamide Derivatives and Its Preparation Method and Application" Shanghai Xuanchuang Biotechnology Co., Ltd. Selected as the Top Ten Cases of Patent Invalidation & Reexamination in 2017 issued by CNIPA
?	? Patent Infringement Litigation Case of "Security Traceability System and Method" Beijing Jinyuan Maofeng New Technology Development Co., Ltd. Selected as the Top Ten Typical Cases of Patent Administrative Protection in Beijing in 2017 and the Top Ten Typical Cases of Patent Infringement and Counterfeiting in 2017 issued by CNIPA

	Patent Invalidation Case of the "World's No.1 Saber" Xiaoyu WU Selected as the Annual Excellent Cases issued by CNIPA
?	Patent Infringement?Litigation Case of "Resolution of Enantiomers of Amlodipine" Zhongqi, Huasheng and Ouyi under CSPC Selected as the guiding cases in the "Summary of Intellectual Property Litigation Procedures and Evidence Cases of the Supreme People's Court" in 2014, and the Gazette Cases of the Supreme People's Court in 2014
?	? Patent Ownership Litigation of "Magnetic Head for Detecting Surface Magnetic Field of Magnetic Pattern Based on Magnetoresistance Technology" Wuxi Lertech Co., Ltd. Selected as the "55 Typical Cases of Intellectual Property Court of Supreme People's Court" in 2021

	A Series of Patent Infringement Litigation Cases on Bicycle Locks Beijing Mobike Technology Co., Ltd. Selected as the Typical Litigation Cases in China in 2019
?	Patent Invalidation and Administrative Litigation Case of "Ultra-large Distortion-resistant Comb-type Bridge Expansion Joint" Ningbo Roaby Technology Industrial Group Co., Ltd. The patent was adopted by the Hong Kong-Zhuhai-Macao Bridge
?	? Patent Invalidation and Administrative Litigation Case of "Method for Automatic Detection of PG Motor Failure" Gree vs. Aux The amount involved in the patent litigation amounted to over one hundred million yuan

More Cases

The Art of Patent Right Verification

A Detailed Interpretation of Patent Invalidation and Administrative Litigation Cases

Enhance the practical ability in patent right verification dispute agency
Contribute to scientific and technological innovation and economic and social development

Thoroughly interpret patent protection and reveal elements for evidence identification

Ascertain technical enlightenment of patent creativity and elaborate on design patent issues

News & Views

A Victory for Gree in A Patent Invalidation

YiJu and Sunshine IP jointly represented the patentee Gree Electric Appliances Inc. of Zhuhai in successfully closing a utility model patent invalidation case. The State Intellectual Property Office issued Examination Decision No.52493, upholding that the utility model patent owned by Gree Electric Appliances, "Connection structure and electrical device comprising same" (ZL201821569102.5) was valid in its entirety.? ? ? ? ? ? ?Read More>>>

EverPro Won Invalidation of?Two Invention Patents

Recently, YiJu and Sunshine IP jointly represented the petitioner, EverPro Technologies Company Limited, in successfully closing the invalidation of two invention patents vs. Cosemi Technologies, Inc. The State Intellectual Property Office issued Invalidation Decisions No.51065 and No.51066, declaring that two invention patents of the identical name "Hybrid electro-optical data communication cable with wired capacitance compensation" (ZL201810201034.5 and ZL 201480038089.9) were invalid in their entirety. Read More>>>

A Victory for KOKUYO?in A Patent Invalidation

Recently, YiJu and Sunshine IP jointly represented the patentee KOKUYO in successfully closing the patent invalidation case vs. the petitioner PLUS Stationery Shanghai Co., Ltd. PLUS Stationery Shanghai Co., Ltd. withdrew its request for invalidation of the invention patent "Cutting Knife" (ZL200810086335.4"). Read More>>>

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