YU Haidong Senior Partner +86 10 64096099 haidongyu@lifanglaw.com
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Practice experience

Mr Yu is a licensed lawyer, patent attorney and senior partner of Lifang & Partners. He is also author of several practitioners’ guides to patent law, which have been well received by readers. His books include The Guidance of Patent Practice which is used by many who are studying for the Chinese patent bar.

Mr Yu worked as an IP professional at CNIPA and some multinational companies including Samsung. He has practised intellectual property law for 20 years with 3 of those years being overseas. Mr Yu has gained significant insights from his experience in handling IP matters of great international influence. Many of the cases that he led or participated in have been selected as Supreme People’s Court Top 10 IP Cases and Chinese Court Typical 50 IP Cases, Typical Cases of the Beijing Intellectual Property Court on its 5th Anniversary, and so forth. Mr Yu has also been ranked in Chambers, ALB, Intellectual Asset Management (IAM), the Legal 500 and China Business Law Journal.

Mr Yu has abundant experience in intellectual property litigation, patent re-examination and invalidation, antitrust reviews and litigation, as well as trade secret and technical contract disputes. In addition, Mr Yu also handles many non-contentious matters, including long-term advisory services, IP counselling, IP due diligence investigation, IP risk warning and analysis, cross-licensing, patent standardization, equity-based incentive policy design, and other matters.

Cases

- Sogou v. Baidu, Beijing High People’s Court (2018) Jing Min Zhong No. 498 Civil Decision: Mr Yu and his team acted for Sogou in a series of cases what have been called “the first patent infringement cases in the Chinese internet industry”. This series of cases arose from a range of invention patent disputes and one of them was included in the Supreme People’s Court’s Typical 50 IP Cases of 2018. The series of cases were also named “Deals of 2020” by China Business Law Journal, and Typical Cases of the Beijing Intellectual Property Court on its 5th Anniversary (only two patent cases were included).

- MediaTek v. NXP Series Patent Infringement Dispute Case: This case is considered to be the most iconic patent litigation case in the semiconductor industry.

- Global Innovation Aggregators v Sony: This case is the first large-scale lawsuit brought by a well-known foreign NPE in China so far.

- Zhejiang Holley Communications Group v. Shenzhen Samsung Kejian Mobile Telecommunication Technology Co. Ltd. and Dai Gang: This Patent Dispute regarding CDMA/GSM Dual Mode Mobile Communication Method was included in the Top 10 IP Cases of Zhejiang High People’s Court in 2012;

- 360 v. 2345.com: This was named a Top 10 Patent Case of 2018 by people.cn. And this also was selected as "Deals of the Year" by China Business Law Journal in 2020.

- Insight Value v IBM: This case is one of the cases with the largest number of patents involved in the ownership dispute cases accepted by courts at all levels across the country in recent years. In this case, the defense standard of "relevance" was creatively put forward, which was adopted by the court and used as the ruling basis.

- Xuhong v. AGC: This case was selected as "Deals of the Year" by China Business Law Journal in 2021.

- Mobike v. DiDi: This battle between two bike-sharing behemoths was included in the Top 10 Typical Cases of 2018 by people.cn.

- IPO Projects: Assisted Segway-Ninebot (Stock Code: 689009), Double Medical (Stock Code: 002901) and other companies in completing their respective IPO process; represented Speechocean in responding to invalidity challenges by competitors against its core patents during the IPO examination process, having all of the 10 patents involved maintained valid and thus overcoming the greatest obstacle in the IPO process.

- Patent analysis Projects: Provided patent analysis services for Microsoft, Sony, Samsung, Ant Financial, Xiaomi, Tsinghua Unigroup, Midea, Mobike, Sogou, 360 Qihoo, Goldwind, CSCEC, J-Invest, CAST and other companies; assisted Mobike in obtaining Domestic Patent Early Warning Program funding from Haidian District, Beijing for its "Intelligent Lock Patent Early Warning"; assisted Geek+ in obtaining Overseas Intellectual Property Early Warning Program funding from Beijing municipal government for its Unmanned and Intelligent Warehousing relating Solutions.

- Patent license and transaction projects: Supported patent licensing and transaction deals of Intel, ZTE, OPPO, Datang Telecom, NTT, TIVO, General Treatment, CITIC Guoan, and other companies.

- Moot court projects: Provided IP enforcement training services for in-house IP teams of BOE and SK Hynix.

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Business field

  • Intellectual Property Law

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