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    Junjie ZHANG

    Attorney at Law/Patent Attorney

    FTO analysis, patent invalidation, patent administrative litigation, patent infringement litigation, and technology secret infringement litigation.

    Post


    Litigation cases:


    1.Mr. Zhang represented Huatech in responding to a patent infringement lawsuit involving integrated circuit technology filed by O2Micro. Won the first instance through successful prior art defense done by taking internal pictures of an integrated circuit.
    2.Mr. Zhang represented One WorldComin responding to two administrative lawsuits concerning invalidation of memory-related invention patents filed by Micron.
    3.Mr. Zhang represented Roller-coaster in its patent infringement litigation against Shenzhen Lehuo and Xi'an Kuaile Xingji, and won the first instance. The related patent invalidation case was rated as one of the top ten invalidation cases of CNIPA in 2019.
    4.Mr. Zhang represented TouchPal in responding to a design patent infringement litigation filed by Beijing Jinshan Technology Company. The related invalidation case was rated as one of the top ten invalidation cases of CNIPA in 2020.
    5.Mr. Zhang represented Aerohive, a US company, in responding to a patent infringement lawsuit involving wireless access technology filed by Shenzhen Dunjun.
    6.Mr. Zhang represented Yihua in a number of patent infringement lawsuits filed by OKI regarding ATM technology.

    Patent Invalidation cases:


    1.Mr. Zhang represented JAF to successfully invalidate a chip packaging patent of ASM.
    2.Mr. Zhang represented ZTE to successfully invalidate two optical disc storage patents of Maxell .
    3.Mr. Zhang represented Golden-Time to successfully invalidate an automobile printed circuit patent of Fujikura.
    4.Mr. Zhang represented Sogou to invalidate a circuit patent of Xiaoxi.
    5.Mr. Zhang represented Beworth to invalidate a number of textile machinery patents of Ningbo Cixing.
    6.Mr. Zhang represented Yunding to invalidate a smart door lock patent.
    7.Mr. Zhang represented Chongqing Jinshan to successfully maintain a number of patents related to capsule gastroscopy robots.

    Other Non-litigation cases:


    1.Mr. Zhang helped a client located in Shenyang to conduct FTO search for multiple semiconductor production equipment projects.
    2.Mr. Zhang helped a client located in Xiamen client to conduct invalidation search for a LED layer structure patent.
    3.Mr. Zhang helped a foreign client to search and analyze patents related to lithium batteries of CATL.
    4.Mr. Zhang helped a client located in Guangzhou to conduct infringement analysis and invalidation search on Ebook related infringement lawsuits filed by a U.S. NPE.