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LexField Law Offices is a Beijing-based law firm focused on intellectual property, with a clientele representing a broad array of industries. Under…
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LexField Law Offices | China | 2 Mar 2022

Proactive Communication and Good Evidence Can Persuade Appeal Examin

In practice, when receiving a Notice of Reexamination from the Chinese patent office, the patent applicant usually would choose to further revise…
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LexField Law Offices | China | 5 Jan 2022

Supreme People’s Court Took Opposite Directions on Claim Construction in Two Cases

Whether it is a patent infringement action or an invalidation action, how to interpret the terms of the claims is a basic issue. The Intellectual…
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LexField Law Offices | China | 7 Dec 2021

Supreme Court Sends Alert on Drafting Quality by Restricting Doctrine of Equivalents

In two judgments issued consecutively in November, the Supreme People's Court of China ("SPC") reversed the lower courts' finding of infringement…
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LexField Law Offices | China | 31 Aug 2021

知识产权集中反垄断审查的基准—“继续集中之前的交易条件”还是“公平、合理、无歧视的交易条件”

在微软收购诺基亚设备和服务业务案中,[1] 中国商务部附条件的批准了微软收购诺基亚的手机业务,其中,在剥离手机业务后,诺基亚作出的承诺包括:“ 确认将继续履行其向标准制定组织作出的承诺,以符合标准制定组织知识产权政策的公平、合理和无歧视原则的条款许可其标准必要专利(SEPs)。” [2] 在该案中…
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LexField Law Offices | China | 12 Oct 2020

Noteworthy Issues in China's First Judicial Interpretation on Patent Validity

The Supreme People's Court ("SPC") of China has recently promulgated its first judicial interpretation ("JI") governing judicial review of CNIPA's…
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LexField Law Offices | China | 2 Jul 2020

Statistics of Chinese SEP Cases in 2011-2019

From 2011 to December 2019, Chinese courts accepted 160 cases related to SEPs. Most of the cases involve foreign entities and relate to the…
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LexField Law Offices | China | 10 May 2020

Best Practice to Handle Broken Lines in Designs to Be Filed in China

At the moment, China does not allow the use of broken lines to illustrate partial designs to be protected in design patent applications…
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LexField Law Offices | China | 5 May 2020

2011-2019年中国法院受理标准必要专利法律纠纷案件概况

摘要:2011-2019年间,中国法院受理了上百件涉及标准必要专利法律纠纷的诉讼案件,积累了相当的司法审判经验。为了呈现近年来中国法院受理标准必要专利相关纠纷案件的整体情况,本报告收集了整理了2011年至2019年12月中国法院受理标准必要专利案件的相关信息,并从案件受理数量的年度分布、案件所涉当…
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LexField Law Offices | China | 5 Mar 2020

Registration of "State Names": Never Say Never

State names or country names are generally prohibited from obtaining trademark registrations in China. The absence of a public examination guideline…
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