China's Firsts and Officially Recognized Guiding Dispute Resolution Cases

• Represented Tencent in a copyright infringement and unfair competition lawsuit against a software provider, which was selected as one of the China's Top 10 Influential Cases in New Culture & Entertainment by Shanghai Intellectual Property Academe (2025)

• Represented iQIYI in an unfair competition lawsuit involving the hit TV series “狂飙” (The Knockout), which was selected as one of the China's Top 10 Influential Cases in New Culture & Entertainment by Shanghai Intellectual Property Academe (2025)

• Represented Hainan ByteDance Technology Co., Ltd. and others in a lawsuit over infringement of the right of information network dissemination, which was selected by the Shanghai Pudong New Area People's Court as one of the Guiding Cases of Intellectual Property Judicial Services and Safeguards for the High-Quality Development of Private Enterprises (2023-2024)

• Represented Amazon in an unfair competition dispute, which was selected as one of Shenzhen's Top 10 IP Guiding Cases (2024) and one of Shenzhen Anti-Unfair Competition Guiding Cases: Safeguarding Fair Market Order and Optimizing the Business Environment (2024)

• Represented Tencent in a unfair competition lawsuit, which was selected as one of Ningbo Top 10 IP Guiding Cases (2023)

• Represented ImagineChina in an abuse of market dominance lawsuit, which was selected as one of the Top 10 Guiding Antitrust Cases of the Supreme People's Court (2022) and one of the Top 10 IPR Judicial Protection Cases of Shanghai Courts (2022)

• Represented Shanghai Erguang Catering Management Co., Ltd. in an unfair competition lawsuit against Shanghai Zaigao Catering Management Co., Ltd, Aiush Investment Holding Co., Ltd., and an individual surnamed Wang, which was selected as one of the Top 50 Guiding IPR Cases of the PRC issued by the Supreme People's Court (2021) and one of the Model Cases on Strengthening Intellectual Property Protection of the Shanghai Courts (2021)

• Represented Beijing Hanyi Fonts in a font copyright infringement lawsuit filed against Beijing Zimeng Technology Co. Ltd., which was selected as one of the Excellent IPR-Protection Cases of the Beijing Courts (2021)

• Represented Tencent in an unfair competition lawsuit filed against Shenzhen Wei Shi Kong Info. & Tech. Co., Ltd. and an individual surnamed Zhao over click farming, which was selected as one of the Top 10 Innovative IP Cases by Shenzhen Intermediate People's Court (2020)

• Represented Beijing iQIYI Science & Technology Co., Ltd. in an unfair competition lawsuit filed against Hangzhou Feiyi Information and Technology Co., Ltd. and two individuals surnamed Lv and Hu, which marked China's first unfair competition case against click farming for videos and was selected as one of Shanghai's Top 10 IP Guiding Cases (2019), Shanghai's Top 10 IP Cases released by Shanghai High People's Court (2019), and the Internet and Software Industry Top 10 IP Cases (2019)

• Represented Beijing iQIYI Science & Technology Co., Ltd. in a criminal copyright infringement case against three suspects surnamed Yan, Yin, and Yang, which was selected as one of the Top Five IP Criminal Cases by the Nanjing Procuratorate (2019)

• Represented Tencent in a copyright infringement and unfair competition lawsuit filed against Shanghai Zhen Cai Multimedia Co., Ltd. over bypassing technology measures and setting illegal links, which was selected in the Top 10 Guiding Copyright Cases in Shanghai (2018)

• Represented Beijing iQIYI Science & Technology Co., Ltd. in a lawsuit filed against Shenzhen Juwangshi Science & Technology Co., Ltd., which marked China's first unfair competition dispute concerning video aggregator hotlinking and was published in the Gazette of the Supreme People's Court (Volume 12, 2016) and selected as one of the 50 Guiding IP Cases in Chinese Court by the Supreme People's Court of PRC (2016), the Top 10 IP Cases by Shanghai High People's Court (2016), and China's Top 10 Most Valuable IP Adjudication Cases (2015)

• Represented Beijing iQIYI Science & Technology Co., Ltd. in a lawsuit filed against Shanghai Wanmu Business Consulting Co., Ltd., which marked China's first case involving a private cinema's infringement upon the right of information network dissemination and was selected as one of the Top 10 Guiding Copyright Cases in Shanghai (2016)

• Represented Beijing iQIYI Science & Technology Co., Ltd. in an unfair competition lawsuit filed against Beijing Ji Ke Ji Ke Technology Co., Ltd. over of ad-blocking software, which was selected as one of the Top 10 Guiding Civil Cases in China Trial (2015) published on China Trial, the Top 10 Innovative Cases in the Beijing Courts (2015), and China's Top 10 Most Valuable IP Adjudication Cases (2014)

• Provided representation in an administrative lawsuit over “⾦骏眉" (Jin Jun Mei) trademark, which was selected as one of the Top 10 Guiding IP Cases of the Supreme People's Court of the PRC (2013) and the Top 10 Guiding IP Judicial Protection Cases of the Beijing Courts (2013)

• Represented Pfizer Pharmaceutical Corporation (U.S.) in a criminal case against a suspect surnamed Wu over trade secret infringement, which was selected as one of the Top 10 IP Cases in Shanghai (2013) 

• Represented PTC Inc. (U.S.) in an administrative enforcement case over computer software copyright infringement filed against a motor company based in Shanghai, which was selected in the Top 10 Copyright Cases of Shanghai (2011)

• Provided representation in a book copyright infringement case (Mr. Zhang v. Sinolingua Co., Ltd.), which was selected as one of the Top 10 Guiding Copyright Cases of Shanghai (2010)

• Represented Microsoft (China) Co., Ltd. in a computer software copyright infringement lawsuit filed against Qingdao Ultimate Transportation Equipment Co., Ltd., which was selected as one of the Top 10 Guiding IP Cases of Shandong (2008)

• Provided representation in a case involving the design of a cheongsam with a red dragon pattern, which was selected as one of the Top 10 Guiding Copyright Cases of Shanghai (2008)

Cybersecurity & Data Protection

• Represented an e-commerce platform in a personal data protection infringement lawsuit filed by an individual surnamed Wang

• Advised a leading Australian architectural design group on internet data security

• Advised Wenhua Finance on app data compliance

• Advised Hanyi Fonts on app data compliance

• Advised iHuaben on app data compliance

• Represented Tencent in a contract dispute concerning personal data protection filed by an individual surnamed Xia

• Represented Tencent in an infringement lawsuit against a Shanxi-based company in connection with web data crawling

• Represented iQIYI in a personal information protection infringement lawsuit filed by Mr. Wu

IP Management, Compliance, and Licensing

• Advised Peking University on its "One Thousand Books in One Century" academic classics translation project

• Advised the University of Hong Kong on its patent series investment projects in China's mainland

• Conducted IP management due diligence for the domestic affiliates of a Shanghai-based group

• Advised a Shanghai-based company on IP matters in connection with its IPO on the Hong Kong Stock Exchange

• Advised a Hunan-based company on IP matters in connection with its IPO on the Hong Kong Stock Exchange

• Advised YJK Building Software on IP matters in connection with the GWM IPO

• Advised a well-known Japanese retail chain on trademark portfolio strategy and risk prevention in China's mainland

• Advised Elmos, a German semiconductor company, in connection with the licensing of patented technology and trade secrets

• Advised Tencent in connection with IP compliance reviews for a well-known app

• Advised a Chinese company in connection with its trademark and technology licensing cooperation with Starbucks

• Advised Shentong Metro Group on its trademark registration application strategy

• Advised a domestic gaming company on IP infringement risks in connection with a video game

• Advised on IP matters in connection with the technology import project between CETCA and Rockwell

Unfair Competition & Trade Secret Dispute Resolution

• Represented Amazon (U.S.) in multiple unfair competition lawsuits concerning cross-border e-commerce brushing (false orders) and credit rating manipulation

• Represented NXP in a trade secret infringement lawsuit against former employees regarding chip design

• Represented Beijing iQIYI Science & Technology Co., Ltd. in an unfair competition lawsuit against a liquor company over the unauthorized use of the “Kuangbiao” brand for beer

• Defended Tencent in an unfair competition lawsuit filed by Ant Financial Services Group and Alipay (China) Network Technology Co., Ltd. concerning alleged commercial disparagement and false advertising

• Represented Beijing iQIYI Science & Technology Co., Ltd. in an unfair competition lawsuit concerning trade name confusion against Taizhou Ai Qi Yi Science & Technology Co., Ltd

• Represented Beijing iQIYI Science & Technology Co., Ltd. in an unfair competition lawsuit concerning trade name confusion against Beijing Miao Qi Yi Entertainment Culture Co., Ltd

• Represented Zhejiang Yasha Decoration Co., Ltd. in an unfair competition lawsuit concerning trade name confusion against Lianyungang Yasha Decoration Co., Ltd

• Represented Hangzhou Weichuan Food Co., Ltd. in an unfair competition lawsuit against Zhejiang Guoran Food Co., Ltd. for trade dress infringement of the well-known beverage brand “Weichuan Daily C” (味全每日C)

• Defended a Shanghai-based lubricating oil company in an unfair competition lawsuit concerning commercial disparagement filed by a Xiamen-based oil company

• Represented a Shandong-based group company as the victim in a criminal case involving the infringement of processing technology trade secrets

• Represented Nanosphere, Inc. as the victim in a criminal case involving the infringement of material formula and client list trade secrets

• Defended an individual surnamed Wang, a suspect in a criminal case involving the infringement of client list trade secrets

• Advised a Suzhou-based company in an administrative enforcement case regarding the infringement of technical trade secrets

Copyright Dispute Resolution

• Represented Beijing iQIYI Science & Technology Co., Ltd. in a copyright infringement lawsuit against a well-known video platform concerning the animations Dragon Ball Super and One Piece

• Represented Beijing iQIYI Science & Technology Co., Ltd. in a copyright infringement lawsuit against the game Qiang Ge Hao Qiang for the unauthorized use of elements from the television series The Knockout (狂飙)

• Filed criminal complaints on behalf of Beijing iQIYI Science & Technology Co., Ltd. against individuals operating a pirated video website for copyright infringement

• Defended Tencent in a lawsuit concerning the copyright license agreement of a well-known film

• Represented Tencent in a copyright infringement lawsuit over a literary work against a Beijing-based company

• Defended Barco Visual (Beijing) Electronics Co., Ltd. in a copyright infringement lawsuit concerning visual artworks filed by a Beijing-based company

• Defended a Hangzhou-based company in an arbitration case concerning the copyright license agreement of the mobile game New Legend of Qin filed by a Shanghai-based company

• Defended a Guangzhou-based game developer in a lawsuit filed by a company in Khorgas concerning the copyright license agreement of the game Immortal Mortals (不朽凡人)

• Filed criminal complaints on behalf of Shanghai Hydee Software Co., Ltd. against a Changsha-based company and its shareholders for software copyright infringement

• Represented a Shenzhen-based company in a computer software copyright infringement lawsuit against a Hangzhou-based company

• Represented Microsoft (U.S.) in a computer software copyright infringement lawsuit against a Qingdao-based company

• Represented PTC Inc. (U.S.) in a computer software copyright infringement lawsuit against a Changzhou-based group company

• Represented Siemens PLM (U.S.) in a computer software copyright infringement lawsuit against a Shanghai-based company

• Represented an individual surnamed Qiu in a copyright infringement lawsuit against a Shenzhen-based company concerning the visual artwork "Daoding Jiuwei Hanfu"

Trademark Dispute Resolution

• Represented Thom Browne Inc. (U.S.) in a trademark infringement lawsuit against a Dongguan-based company concerning the registered trademark "Thom Browne"

• Represented Thom Browne Inc. (U.S.) in multiple administrative cases for trademark invalidation and rejection of trademark registration applications

• Represented Align Technology Inc. (U.S.) in multiple administrative cases for trademark invalidation

• Represented Tencent in a lawsuit against Shanghai-based companies for the infringement of the registered trademarks "Tencent" and "腾讯" (Teng Xun)

• Represented iQIYI in a trademark infringement lawsuit against a Beijing-based company concerning the registered trademark "Qi Pa Shuo" (奇葩说)

• Represented iQIYI in a trademark infringement lawsuit against a Beijing-based company concerning the registered trademark "Ai Qi Yi" (爱奇艺)

• Represented Shanghai Xunmeng Information and Technology Co., Ltd. in a trademark infringement lawsuit against a Zhengzhou-based company concerning the registered trademark "Pin Duo Duo" (拼多多)

• Represented Gold Nemans (Shanghai) Food Co., Ltd. in a trademark infringement lawsuit against a Wuhan-based company and others concerning the registered trademark "Niu Man Si" (纽曼思)

• Represented Barco N.V. (Belgium) in an administrative case for the trademark invalidation of "Ke Li Xiang" (可立享) against a Jiangxi-based company

• Represented RRS, Inc. (U.S.) in an administrative case for the trademark invalidation of "RRS" against a Sichuan-based company

• Represented Shanghai Cai Tong De Tang Traditional Pharmacy Co., Ltd. in an administrative case for the trademark invalidation of "Cai Tong De" (蔡同德)

• Represented We Doctor Group in an administrative case for the trademark invalidation of "Wei Yi" (微医) filed by a Weifang-based company

Patent Dispute Resolution

• Defended a Shanghai-based group company in a design patent infringement lawsuit concerning a "Street Lamp" filed by a Zhejiang-based company

• Defended Beijing iQIYI Science & Technology Co., Ltd. in a utility model patent infringement lawsuit filed by an individual surnamed Ma

• Represented Shanghai East-Sea Pressure Vessel Manufacturing Co., Ltd. in a dispute over invention and design patent infringement against a Jiaxing-based company

• Defended Hangzhou Lianke MeiXun Biopharmaceutical Co., Ltd. in a utility model patent infringement lawsuit filed by a Shanghai-based company

• Represented a Shanghai-based company in an invention patent infringement lawsuit against a Huizhou-based company

• Defended a Shanghai-based company in an invention patent infringement lawsuit filed by a Yancheng-based company

• Represented a Shanghai-based company in an invention patent infringement lawsuit against a Dongguan-based company

• Defended a Shanghai-based company in an invention patent infringement lawsuit filed by individuals surnamed Hu and Chen

• Represented a Shanghai-based company in an invention patent infringement lawsuit against Cisco

• Defended a Jiangsu-based company in a design patent infringement lawsuit filed by an individual surnamed Kong

• Defended a Shanghai-based company in a dispute over the ownership of an invention patent filed by an electronics company

• Defended a Danyang-based company in a design patent infringement lawsuit filed by a Ningbo-based company