Dedicated to Safeguarding Intellectual Property Rights

Established in 2015, Beijing YiJu Law Firm is a high-level, specialized Chinese law firm organized in corporate system, with its headquarters in Zhongguancun, Beijing. YiJu adheres to the core values of "rigorousness, practicability, integrity and concentration", and is committed to providing specialized legal services and risk control solutions for corporate clients.

By virtue of the broad knowledge and the team of experts in all areas of intellectual property, we provide strategic legal opinions from the concept to the commercialization and protection of intellectual property to realize our clients' intellectual assets to the maximum extent. At the forefront of market and legal developments, our clients can solve the most complex challenges they encounter by relying on our top-ranking technology background and our comprehensive services integrating intellectual property management, consulting and litigation.

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

    ?
    ?

Copyright ? BEIJING YIJU LAW FIRM ALL RIGHTS RECERVED.

京ICP備18031377-1號?

Contact Us
Zhongguancun Intellectual Property Building, No. A 21, Haidian South Road, Haidian District, Beijing

Email:yiju@yijulaw.com
Tel:+86- (0)10 - 82240036

艹黑人美女大逼大屁股